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《TOEFL 》 1989 年 01 年年年年.........................................................................................................................4 1989 年 05 年年年年.........................................................................................................................9 1989 年 08 年年年年.......................................................................................................................13 1989 年 10 年年年年.......................................................................................................................18 1990 年 01 年年年年.......................................................................................................................21 1990 年 05 年年年年.......................................................................................................................26 1990 年 08 年年年年.......................................................................................................................30 1990 年 10 年年年年.......................................................................................................................34 1991 年 01 年年年年.......................................................................................................................38 1991 年 05 年年年年.......................................................................................................................42 1991 年 05 年年年年.......................................................................................................................46 1991 年 10 年年年年.......................................................................................................................50 1992 年 01 年年年年.......................................................................................................................54 1992 年 05 年年年年.......................................................................................................................58 1992 年 08 年年年年.......................................................................................................................62 1992 年 10 年年年年.......................................................................................................................66 1993 年 01 年年年年.......................................................................................................................70 1993 年 05 年年年年.......................................................................................................................74 1993 年 08 年年年年.......................................................................................................................78 1993 年 10 年年年年.......................................................................................................................82 1994 年 05 年年年年.......................................................................................................................86 1994 年 08 年年年年.......................................................................................................................90 1994 年 10 年年年年.......................................................................................................................94 1995 年 01 年年年年.....................................................................................................................100 1995 年 05 年年年年.....................................................................................................................104 1995 年 08 年年年年.....................................................................................................................108 1995 年 10 年年年年.....................................................................................................................112 1996 年 01 年年年年.....................................................................................................................117 1996 年 05 年年年年.....................................................................................................................121
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1996 年 08 年年年年.....................................................................................................................125 1996 年 10 年年年年.....................................................................................................................129 1997 年 01 年年年年.....................................................................................................................133 1997 年 01 年年年年年年.................................................................................................................137 1997 年 05 年年年年.....................................................................................................................141 1997 年 08 年年年年.....................................................................................................................145 1997 年 10 年年年年.....................................................................................................................149 1997 年 12 年年年年年年.................................................................................................................153 1998 年 01 年年年年.....................................................................................................................157 1998 年 05 年年年年.....................................................................................................................161 1998 年 08 年年年年.....................................................................................................................165 1998 年 08 年年年年.....................................................................................................................171 1998 年 08 年年年年年年.................................................................................................................175 1998 年 10 年年年年.....................................................................................................................179 1999 年 01 年年年年.....................................................................................................................183 1999 年 05 年年年年.....................................................................................................................187 1999 年 08 年年年年.....................................................................................................................192 1999 年 10 年年年年.....................................................................................................................197 2000 年 01 年年年年.....................................................................................................................201 2000 年 05 年年年年.....................................................................................................................205 2000 年 08 年年年年.....................................................................................................................210 2000 年 10 年年年年.....................................................................................................................215 2001 年 01 年年年年.....................................................................................................................219 2001 年 05 年年年年.....................................................................................................................223 2001 年 08 年年年年.....................................................................................................................227 2001 年 10 年年年年.....................................................................................................................232 2002 年 01 年年年年.....................................................................................................................236 2002 年 05 年年年年.....................................................................................................................241 2002 年 10 年年年年.....................................................................................................................246 2002 年 08 年年年年.....................................................................................................................250 2002 年 09 年年年年.....................................................................................................................253 2
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2003 年 01 年年年年.....................................................................................................................256 1996 年 12 年年年年年年.................................................................................................................261 2003 年 08 年年年年.....................................................................................................................266 2003 年 10 年年年年.....................................................................................................................271 2004 年 01 年年年年.....................................................................................................................276 2004 年 05 年年年年.....................................................................................................................280 2004 年 08 年年年年.....................................................................................................................285 2004 年 10 年年年年.....................................................................................................................290 2005 年 01 【】..........................................................................................................................295 PP Test 1 年年年年年...................................................................................................................298 PP Test 2 年年年年年...................................................................................................................314 年年年年年年 1..............................................................................................................................329 年年年年年年 2..............................................................................................................................334 年年年年年年 3..............................................................................................................................338 年年年年年年 4..............................................................................................................................342 3
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1989 年 01 年年年年 1. The flexibility of film allows the artist __________ unbridled imagination to the animation of cartoon characters. (A) to bring (B) bringing (C) is brought (D) brings 2. Traditionally, __________in New England on Thanksgiving Day. (A) when served is sweet cider (B) when sweet cider is served (C) is served sweet cider (D) sweet cider is served 3. Typical of the grassland dwellers of the continent __________, or pronghorn. (A) it is the American antelope (B) the American antelope is (C) is the American antelope (D) the American antelope 4. Lillian D. Wald, public health nurse and __________, was born in Cincinnati Ohio, in 1867. (A) reforming society (B) social reformer (C) who reformed society (D) her social reform 5. Copper sulfate, spread in judicious amounts, kills algae __________ harming fish or aquatic invert-ebrates. (A) does not (B) but does no (C) except (D) without 6. Of the millions who saw Haley’s comet in 1986, how many people __________long enough to see it return in the twenty-first century. (A) will they live (B) they will be living (C) will live (D) living 7. __________that fear, happiness, sadness, and surprise are universally reflected in facial expressions. (A) Anthropologists have discovered (B) Anthropologists discovering (C) The discovery by anthropologists (D) Discovered by anthropologists 8.In 1964__________of Henry Ossawa Tanner’s paintings was shown at the Smithsonian Institution. (A) was a major collection (B) that a major collection (C) a collection was major (D) a major collection 4
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9. __________irritating effect on humans, the use of phenol as a general antiseptic has been largely discontinued. (A) Its (B) Where its (C) Since its (D) Because of its 10.In order to remain in existence,__________must, in the long run, produce something consumers consider useful or desirable. (A) a profit-making organization (B) a profit-making organization which (C) therefore a profit-making organization (D) whichever a profit-making organization 11.The greater the population there is in a locality,__________for water, transportation, and disposal of refuse. (A) the greater the need there is (B) greater need (C) is there great need (D) the great need 12. A historical novel may do more than mirror history; __________future events. (A) even influencing (B) it may even influence (C) may even influence (D) that it may even influence 13. __________a child, sculptor Anne Whitney showed an eager intellect and artistic talent that her parents recognized and encouraged. (A) Has been (B) It was while (C) She was (D) As 14. It is widely believed that the pull of gravity on a falling raindrop changes__________round shape into a teardrop shape. (A) of the drop (B) the drop’s (C) drop of (D) drops their 15.__________modern offices becoming more mechanized, designers are attempting to personalize them with warmer, less severe interiors. (A) If (B) But (C) With (D) Once 16. Not woman held a presidential cabinet position in the United States until 1933, when Frances Perkins became secretary of labor. 17. The human body relies on certainty nutrients for its survival. 5
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18. Too much electric current may flow into a circuit as a result either of a fault in the circuit and of an outside event such as lightning. 19. The Appalachian Trail, extending approximately 2,020 miles from Maine to Georgia, is the longer continuous marked footpath in the world. 20. For years, elephants were hunted for food and ivory, and as a result theirs numbers have been greatly reduced. 21. Barges which carrier most of the heavy freight on rivers and canals are usually propelled by towing. 22. Although afflicted by serious eyesight problems, Alicia Alonso was one the principal stars of the American Ballet Theater and later formed her own dance company. 23. The ritual combat of animals are triggered by precise signals. 24. It is more difficult to write simply, directly, and effective than to employ flowery but vague expressions that only obscure one’s meaning. 25. Different species of octopuses may measure anywhere from two inches to over thirty feet in long. 26. According to some theories derived from psychoanalysis, life is supposedly easier and mo re pleasant when inhibitions overcoming. 27. When rainbows appear, they are always in the part of the sky opposite directly the Sun. 28. Benjamin Franklin drew a political cartoon that is credited raising 10,000 volunteers for the American Revolutionary War. 29. The begins of the modern chemistry laboratory go back to the workrooms of medieval lchemists. 30. In many pieces of music there is a dominant theme on which the restful of the composition is centered. 31. Luminescence refers to the emission of light by means another than heat. 32.In a representative democracy, the people election delegates to an assembly. 33.George Washington Carver found hundred of uses for the peanut, the sweet potato, and the soybean and thus stimulated the cultivation of these crops. 6
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34. A citadel, a fortress designed for the defense of a city, usually standed on top of a hill. 35. Conservative philosophers argue that the very structure of society is threatening by civil disobedience, while humanists stress the primacy of the individual conscience. 36. Since 1971 the regional corporations set up in Alaska by Congress managing everything from fishing to banking. 37. A rocket burns propellant rapidly and most rockets carry a supply that last just a few seconds. 38. Textile art is known for both its tactile and vision qualities. 39. The metal aluminum has been first isolated early in the nineteenth century. 40. Gulls can often be see swooping over large bodies of water. 7
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1989 年 05 年年年年 1. The difference between libel and slander is that libel is printed while__________. (A) spoken is slander (B) is spoken slander (C) slander is spoken (D) is slander spoken 2. Great numbers of tiny shelled animals—on the ocean floor. (A) Live (B) Living (C) They will live (D) If they lived 3. The knee is the joint __________the thigh bone meets the large bone of the lower leg. (A) when (B) where (C) why (D) which 4. Closed plane figures like the square or the equilateral triangle can be grouped into a class __________polygons. (A) called (B) to call (C) is called (D) call as 5. Acids are chemical compounds that, in water solution, have __________, a corrosive action on metals, and the ability to turn certain blue vegetable dyes red. (A) tastes sharp (B) sharp-tasting (C) a sharp taste (D) tasting sharp 6. __________the history of the tough, strong-willed Nebraska farmer. (A) Not only is much of the history of Nebraska (B) Although it is much of the history of Nebraska that is (C) It is much the history of Nebraska’s being (D) Much of the history of Nebraska is 7. Billie Holiday’s reputation as a great jazz-blues singer rests on her ability __________emotional depth to her songs. (A) be giving (B) are given (C) being given (D) to give 8. __________1895 did Cornell University begin to offer a degree in ornithology. (A) Not until (B) Not since (C) Until (D) In 8
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9. Uniform acceleration occurs __________the rate of change remains the same over successive and equal intervals of time. (A) according (B) if (C) with (D) under 10. People’s expectations for a higher standard of living increase __________. (A) conditions in their community improve (B) since conditions in their improving community (C) conditions improve in their community (D) as conditions in their community improve 11. Essentially, a theory is an abstract, symbolic representation of __________reality. (A) what it is conceived (B) that is conceived (C) what is conceived to be (D) that is being conceived of 12. All of the plants now raised on farms have been developed from plants __________wild. (A) once they grew (B) they grew once (C) that once grew (D) once grew 13. __________relatively costly, the diesel engine is highly efficient and needs servicing infrequently. (A) Even (B) It is (C) Even though (D) There is 14. __________images out of clay, stone, and metal. (A) The shaping of sculpture (B) Sculpting the shapes (C) To shape sculpture (D) Sculptors shape 15. __________dates from the end of the eighteenth century. (A) The modern circus (B) That the modern circus (C) While the modern circus (D) The modern circus that 16. The boiled point of any liquid is determined by the pressure of the surrounding gases. 17. The Ranger spacecraft it provided more than 17,000 pictures of the moon. 18. Many people who live in New York City thinks that life in a large city offers special advantages. 19. The scientific revolution of the early 1900’s affected education by change the nature of technology. 9
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20. Meadowlarks are about the same size than robins, but they have heavier bodies, shorter tails, and longer bills. 21. On May 20,1932, Amelia Earhart became the first woman fly solo across the Atlantic Ocean. 22. Translated into terms of psychological theory, association has been thought of as the basis of to learn, conditioning, and creative thinking. 23. The Statue of Liberty was originally proposed in 1865 to commemoration the alliance of France with the American colonies during the American Revolution. 24. Reptiles are widely distributed all over the world, but are much abundant in warm regions and are virtually absent beyond the treeline in the Arctic. 25. Alike light waves, microwaves may be reflected and concentrated. 26. Industrial buyers are responsible for supplying the goods and services that an organization required for its operations. 27. The most easiest process for mining gold is panning, which involves using a circular dish with a small pocket at the bottom. 28. Farm animals have been regardless by nearly all societies as a valuable economic resource. 29. Although it is any longer the big business that it was in the forties, radio continues to be a medium of essential communication, especially at the local level. 30. The field of dynamics in physics is concerned with a particle’s motion in relation to the forces acting it. 31. In the United States, both the federal and state governments have laws designed to guard consumers against deceptive advertise. 32. Gore Vidal has steadily pursue a literary career remarkable for its productivity, versatility, and unpredictability. 33. When overall exports exceed imports, a country said to have a trade surplus. 34. Instructors at the school of American Ballet first examine a young applicant’s instep to see whether it is pliant and shows promising of a good arch. 10
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35. Anthropologists agree that our primitive ancestors who inhabited the tropics probably have natural protection against the sun. 36. Behavior modification techniques work best with problems that manifest itself in overt actions. 37. Because they are generally taken simply to obtain a recognizable and relatively clear image, most nonprofessional photographs demand few equipment. 38. At birth, an infant exhibits a remarkable number of motor response. 39. Common to North America, those cinnamon fern is found in wet places. 40. The origins of the Democratic party is often traced to the coalition formed behind Thomas Jefferson in the 1790’s to resist the policies of George Washington’s administration. 11
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1989 年 08 年年年年 1. The Cubists were concerned with how__________a given subject from different points of view simultaneously. (A) represented (B) do the represent (C) to represent (D) representing 2. Sometimes__________to place physics and chemistry into separate categories. (A) difficult (B) is difficult (C) it is difficult (D) that it is difficult 3. Martha Graham, __________, has run her own dance company for half a century. (A) is the great modern choreographer (B) one of the great modern choreographers (C) that the great modern choreographers (D) the modern choreographers were great 4. Long before children are able to speak or understand a language, __________communicate through facial expressions and by making noises. (A) however (B) they (C) furthermore (D) who 5. The seating of musicians in an orchestra is arranged __________to produce the desired blend of sounds from the various musical sections . (A) the conductor of (B) from the conductor (C) the conductor and (D) by the conductor 6. The worldwide race to develop an affordable synthetic fuel has so far consumed billions of dollars and __________ few results. (A) yielded (B) yielding (C) yield ha (D) has a yield of 7. Experiments in the photography of moving objects __________ in both the United States and Europe well before 1900. (A) have been conducting (B) were conducting (C) had been conducted (D) being conducted 12
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8. The University of Georgia, __________ in 1785, was the first state supported university in the United States. (A) chartered (B) was chartered (C) it was chartered (D) to be chartered 9. Thanks to modern irrigation, crops now grow abundantly in areas where once __________ cacti and sagebrush could live. (A) nor (B) not the (C) none other (D) nothing but 10. __________, in the late 1800’s, some libraries had to keep as many as twenty to thirty copies of each of Mary Jane Holmes’s books on hand. (A) Inventories showing (B) That show inventories (C) Inventories show that (D) Showing the inventories 11. The scholarly interest in perception stems largely from questions about the sources and validity of what __________. (A) it is known as human knowledge (B) is known as human knowledge (C) known human knowledge (D) is human knowledge known 12. Because of the Aleuts’ constant exposure to cold weather, they have long recognized __________ . (A) and body needs to be fat (B) body needs the fat (C) how fat the body needs (D) the body’s need for fat 13. Almost all economists agree __________ by trading with one another. (A) nations that are gained (B) nations they gain (C) gaining nations (D) that nations gain 14. The development of mechanical timepieces spurred the search for __________ with which to regulate them. (A) more accurate than sundials (B) more accurate sundials (C) sundials more accurately (D) more accurately than sundials 15. Anthropology is a science __________anthropologists use a rigorous set of methods and techniques to document observations that can be checked by others. (A) in that (B) that in (C) that (D) in 13
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16.A liquid is similar to a gas because has molecules are not fixed to each other in any specific way. 17.The Conestoga wagon, used for to carry heavy loads over long distances, originated around 1725 in a region of Pennsylvania occupied by the Conestoga Indians. 18.Providence, Rhode Island, is a busy manufacturing city and seaport, as well the state capital. 19.The young of most bird species are totally dependence on parental care after hatching. 20.During most of this century, A. Philip Randolph struggled for Black rights in the United States and becomes an important figure in the labor movement. 21.It has been calculated that the Earth’s circumference around the equator is over forty longer miles than the circumference around the two poles. 22. A fish must constantly to gulp water in order to keep a current flowing through its delicate gills. 23. Maria Martinez, a Pueblo Indian, rediscovered the ancient art of Pueblo black pottery A and, by teaching the process to family and friends, develop a lucrative business. 24. Muscular motion is caused by the stimulate of specific nerve cells in the brain and spinal cord. 25. The first libraries in the North American colonies was established in Massachusetts in the year 1638. 26. When does a neutron from one atom collides with the nucleus of another atom, a chain reaction can occur. 27. Alike other academic disciplines, sociology has several major sub-disciplines. 28. An enormous variety of information may be obtained from a largest daily newspaper. 29. Before the invention of the clock, people had to reliable on the celestial bodies to tell time. 30. How many people remember listening to Orson Welles’1938 radio broadcast. “The War of the Worlds,” Which convince thousands that space aliens had invaded the Earth? 31. Pewter, a metal with an ancient heritage, is still practical medium for the nonprofessional metalworker. 32. According to cognitive theories of emotion, anger occurs when individuals believe that A they have been harmed and that the harm was either avoidable and undeserved. 14
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33. Jackie Mclean’s recordings have shown that he is one of the few jazz musicians who style A B of playing has kept pace with the evolution of modern jazz. 34. How Native Americans developed corn is a puzzling, for no wild corn has ever been discovered, and it grows only where people plant and tend it. 35. A principle of manager is to ensure that every action or decision achieves a carefully planned goal. 36. A good exercise program helps teach people to avoid the habits that might shorten the lives. 37. Classicism as a doctrine seeks what is universally truth and good. 38. Researchers at the University of Colorado are investigating a series of indicators that A B could help themselves to predict earthquakes. 39.Fungi are important in the process of decay, which returns ingredients to the soil, enhances soil fertility, and decompose animal debris. 40. A common use with gold in the nineteenth century was as a standard for the value of money. 15
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1989 年 10 年年年年 1. Quasars __________ emitting extremely intense radio waves and visible radiation. (A) Star-like objects are (B) Star-like, they are objects (C) are star-like objects (D) are they star-like objects 2. Mary Cassatt specialized __________ mothers with their children. (A) painted (B) who painted (C) paintings (D) in painting 3. Gorillas are quiet animals, __________ they are able to make about twenty different sounds. (A) how (B) in spite of (C) because of (D) even though 4. From 1946 to 1949, __________ William Henry Hastie served as governor of the Virgin Islands. (A) the lawyer (B) he was the lawyer (C) the lawyer who (D) was the lawyer 5. __________ struck, a tuning fork produces an almost pure tone, retaining its pitch over a long period of time. (A) When is it (B) One is (C) When it is (D) Is one 6. __________ one time, Manchester, New Hampshire, was the home of the most productive cotton mills in the world. (A) On (B) At (C) By (D) To 7. The edible tube mushroom __________ a cushion-like, moist cap that is light brown or darkish red. (A) which has (B) to have (C) having (D) has 8. In 1961 the entertainer Chubby Checker introduced a __________ to New York’s rock’n ‘ roll fans. (A) new dance, the twist (B) twist, was the new dance (C) twist, the new dance that (D) new dance is the twist 16
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9. In sculpture __________”modeling” denotes a way of shaping clay, wax, or other pliable materials. (A) to the term (B) is termed (C) the term (D) to term 10. The capacity for flight __________insects from the other invertebrates. (A) to distinguish (B) distinguishes (C) which distinguishes (D) distinguishing 11. Although pecans are most plentiful in the southeastern part of the United States, they are found __________ Ohio and Illinois. (A) far north (B) north as far (C) farthest north (D) as far north as 12. __________ of caffeine can result in restlessness, insomnia, and even delirium. (A) Consuming in excess (B) Excessive consumption (C) To consume excessively (D) The consumption excessive 13. Considered one of the leading poets in America today,__________. (A) a number of books and plays have also been written by Sonia Sanchez (B) Sonia Sanchez has also written a number of books and plays (C) A number of Sonia Sanchez books and plays have been written (D) There have been a number of books and plays written by Sonia Sanchez 14. Variables such as individual and corporate behavior __________ nearly impossible for economists to forecast economic trends with precision. (A) make (B) make it (C) it makes (D) makes it 15. __________ by transferring the blame to others is often called scapegoating. (A) Eliminate problems (B) The eliminated problems (C) Eliminating problems (D) Problems are eliminated 16. Sea turtles date back 100 million year and are the only ancient sea reptiles to survive the present Day. 17. At a first, the scientific method may appear to be a narrow and restrictive way of gaining understanding. 18. Since prehistoric times, artists have portrayed subjects that representative their culture. 17
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20. Mammals lose body heat to them environment in cold weather more quickly than in hot weather. 21. Mahogany is often considered the finest cabinet wood because they has most of the qualities desired for furniture making. 22. The situation comedy has proved to a remarkably durable commercial television format. 23. Calcium, the most abundantly mineral in the body works with phosphorus in maintaining bones and teeth. 24. Soil science begun with the formulation of the theory of humus in1808. 25. Scholars tend to cite 1831 as the started of the United States abolitionist movement. 26. Mary McDowell shared Jane Addam’s interest in social work also was a loyal supprter of the League of Nations. 27. In adolescence, a young person may experience some stress emotional due to conflicting and confusing social demands. 28. Situated in the heart of a grain-farming and livestock-raising region, Abilene, Kansas, is a prosperous trading and distribute center. 29. A hologram is a pattern usually made on film in that can create a three-dimensional image of a scene. 30. The general sales tax has been a major source of income for state governments, much of which derive more than half of their budgets from it. 31. Principal known for his dictionary, Noah Webster was also the first epidimiologist in the United States. 32. Liquid lubricants contrast widely in weighing, thickness, and boiling point. 33. Interest with major social events led to a period of growth in journalism after 1945. 34. Saint Elmo’s fire is a luminous blue discharge of electricity sometimes seen when a thunderstorm. 35. Almanacs in simple form have been known from the invention of writing. 36. If laid out in straight line, the human digestive tract would measure approximately thirty foot in length. 18
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37. The relationship of Latin American music to Black music in the United States is clearly evident in the unaccented beats that are common to either. 38. Today it is generally recognized as the primary function of the Federal Reserve System is to foster the flow of credit and money that will eventually facilitate a balance in international payments. 39. Pure flint is too hard and even-grained that it chips in smooth curved flakes. 40. The typical Georgian-style house is rectangular in shape, at less two stories high, and designed around a central stairway. 1990 年 01 年年年年 1. ---ratchet is a wheel or bar that can move in only one direction. (A) A (B) It is a (C) Although a (D) There is a 2. Thomas Jefferson’s achievements as an architect rival his contributions ---a politician. (A) such (B) more (C) as (D) than 3. The chief foods eaten in any country depend largely on ---best in its climate and soil. (A) it grows (B) what grows (C) does it grow (D) what does it grow 4. Possibly the greatest advance in ---materials came with the invention of a cheap way to make steel. (A) bridge-building (B) building of bridges (C) building a bridge (D) bridges are built 5. ---, snakes frequently subdue their prey without injecting poison. (A) Contrary to general belief (B) General belief contrary to (C) Belief contrary to general (D) Contrary belief general to 6. Two years after she was chosen president of the Texas State Senate, ---successfully for a seat in the United States Congress. (A) Barbara Jordan’s campaign being (B) Barbara Jordan campaigned (C) Campaigning for Barbara Jordan (D) Barbara Jordan campaigning 7. The values of a people, their customs, and their perceptions of the world ---their language. (A) are influenced (B) be influenced (C) influencing (D) influence 19
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8. Over a very large number of trials, the probability of an event’s ---is equal to the probability that it will not occur. (A) occurs (B) will occur (C) can occur (D) occurring 9. ---fashioned from a wick floating in a bowl of oil functioned according to the principle of capillary action. (A) All lamps early (B) Lamps all early (C) All early lamps (D) Early all lamps 10. Annie Jump Cannon, ---discovered so many stars that she was called “the census taker of the sky.” (A) a leading astronomer who (B) who, as a leading astronomer, (C) was a leading astronomer (D) a leading astronomer, 11. The less the surface of the ground yields to the weight of the body of a runner, ---to the body. (A) the stress it is greater (B) greater is the stress (C) greater stress is (D) the greater the stress 12. And ideal is a standard ---people judge real phenomena. (A) how (B) of (C) by which (D) for it 13. Maine has ---weather than most of the other states in the continental United States. (A) coolest (B) the coolest (C) cooler (D) the cooler 14. Amoebas are ---small to be seen without a microscope. (A) far too (B) far and (C) so far (D) as far as 15. Graphite conducts electricity ---does not burn. (A) because (B) if (C) when (D) and 16. The methods of spectrum analysis vary according to the wavelength region were studied. 17. Hurricanes are severe cyclones with winds over seventy-five miles an hour who originate over tropical ocean waters. 18. A great proportion of the seeds of desert flora they possess germination-inhibiting substances. 19. Window treatment, furniture arrangement and color combine all contribute to the overall impression of a room. 20. Harvesting of grains is affected by annual changes in temperature or in the amount of moisture, but both. 20
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