四级英语十五选十真题题库
大学英语四级15选10练习及详解
选词填空练习及讲解1.Health food is a general term applied to all kinds of foods that are considered more healthful than the types of foods widely sold in supermarkets.For example,whole grains,fried beans,and corn oil are health foods.A narrower (1) of health food is natural food.This term is used to (2) between types of the same food.Raw honey is a natural sweetener,(3) refined suger is not.Fresh fruit is a natural food,but canned fruit,with sugars and other additives,is not.The most (4) term of all and the narrowest classification within health foods is organic food,used to (5) food that has been grown on a particular kind of farm.Fruit and vegetables that are grown in gardens,that are (6) only with organic fertilizers,that are not sprayed with (7) insecticides,and that are not refined after harvest,are organic foods.Meat,fish,dairy and poultry products from animals that are (8) only organically grown feed and that are not injected with hormones(荷尔蒙) are organic foods.In choosing the type of food you eat,then,you have basically two choices: inorganic,processed foods,or organic,unprocess foods.A wise decision should (9) investigation of the allegations(宣称) that processed foods contain (10),some of which are proven to be towic,and that vitamin content is greatly reduced in processed foods.A.describe E.chemicals I.classification M.samplesB.whereas F.precise J.when N.poisonousC.Vital G.shape K.fed O.dealtD.treated H.include L.distinguish2.EI Nino is the name given to the mysterious and often unpredictable change in the climate of the world. This strange 47 happens every five to eight years. It starts in the pacific Ocean and is thought to be caused by a failure in the trade winds(信风), which affects the ocean currents driven by these winds. As the trade winds lessen in 48, the ocean temperatures rise, causing the Peru current flowing in from the east to warm up by as much as 5℃.The warning of the ocean has far-reaching effects. The hot, humid (潮湿的)air over the ocean causes severe49 thunderstorms. The rainfall is increased across South America, 50 floods to Peru. In the West Pacific, there are droughts affecting Australia and Indonesia. So while some parts of the world prepare for heavy rains and floods, other parts face drought, poor crops and 51. 沪江四六级EI Nino usually lasts for about 18 months. The 1982-83 EI Nino brought the most 52 weather in modern history. Its effect was worldwide and it left more than 2,000 people dead and caused over eight billion pounds 53 of damage. The 1990 EI Nino lasted until June 1995. Scientists 54 this to be the longest EI Nino for 2,000 years.Nowadays, weather experts are able to forecast when an EI Nino will 55, but they are still not 56 sure what leads to it or what affects how strong it will be. 沪江四六级[F] phenomenon[B] strength[E] tropical[L] bringing[K] starvation[J] destructive[N] worth[A] estimate[O] strike[I] completely[C] deliberately[D] notify[G] stable 沪江四六级[H] attraction[M] exhaustion 沪江四六47【解析】选[F]。
大学英语四级考试15选10专项训练答案（包含大学英语四级考试仔细阅读专项训练答案）
⼤学英语四级考试15选10专项训练答案（包含⼤学英语四级考试仔细阅读专项训练答案）⼤学英语四级考试15选10专项训练答案(包含⼤学英语四级考试仔细阅读专项训练答案)Unit one11. L 12. M 13. A 14. C 15. G 16. F17. E 18. N 19. H 20. IUnit Two11. K 12. L 13. J 14. F 15. E 16. C17. A 18. N 19. D 20. HUnit Three11. E 12. I 13. F 14. K 15. G 16. D17. L 18. J 19. N 20. CUnit Four11. I 12. A 13. G 14. J 15. M 16. E17. L 18. K 19. B 20. HUnit Five11. M 12. D 13. B 14. J ' 15. K 16. E17. H 18. G 19. L 20. AUnit Six11. H 12. E 13. C 14. F 15. J 16. G 17. A 18. M 19. D 20. IUnit Seven11. A 12. F 13. O 14. G 15. K 16. C 17. N 18. E 19. D 20. MUnit Eight11. F 12. G 13. D 14. N 15. O 16. C 17. L 18. I 19. M 20. EUnit Nine11. C 12. I 13. L 14. K 15. H 16. E 17. M 18. J 19. N 20. AUnit Ten11. C 12. L 13. O 14. D 15. F 16. G 17. N 18. A 19. J 20. KUnit Eleven11. I 12. J 13. G 14. M 15. K 16. C 17. F 18. H 19. D 20. BUnit Twelve11. B 12. H 13. F 14. G 15. N 16. M 17. L 18. C 19. J 20. EUnit Thirteen11. M 12. N 13. E 14. O 15. F 16. B 17. L 18. A 19. I 20. GUnit Fourteen11. A 12. E 13. G 14. C 15. F 16. D 17. N 18. O 19. M 20. HUnit Fifteen11. O 12. D 13. M 14. L 15. I 16. E 17. K 18. A 19. B 20. JUnit Sixteen11. F 12. O 13. E 14. C 15. K 16. A 17. H 18. N 19. B 20. DUnit Seventeen11. C 12. E 13. I 14. L 15. H 16. D 17. G 18. A 19. O 20. FUnit Eighteen11. L 12. E 13. J 14. M 15. I 16. N 17. C 18. D 19. A 20. FUnit Nineteen11. H 12. D 13. O 14. E 15. B 16. N 17. M 18. L 19. G 20. AUnit Twenty11. E 12. F 13. J 14. C 15. I 16. M 17. G 18. A 19. L 20. D Unit Twenty-One 11. F 12. C 13. G 14. M 15. B 16. H 17. N 18. L 19. O 20. AUnit Twenty-Two11. N 12. A 13. M 14. G 15. O 16. J 17. D 18. C 19. F 20. LUnit Twenty-Three11. I 12. B 13. C 14. D 15. O 16. K 17. N 18. F 19. A 20. EUnit Twenty-Four11. O 12. F 13. H 14. E 15. I 16. A 17. N 18. J 19. D 20. CUnit Twenty-Five11. B 12. L 13. I 14. C 15. J 16. E 17. O 18. H 19. A 20. NUnit Twenty-Six11. D 12. F 13. I 14. G 15. A 16. C 17. L 18. M 19. JUnit Twenty-Seven11. C 12. G 13. D 14. H 15. I 16. N 17. M 18. J 19. F 20. AUnit Twenty-Eight11. B 12. J 13. A 14. H 15. C 16. I 17. M 18. E 19. D 20. KUnit Twenty-Nine11. C 12. H 13. D 14. E 15. M 16. A 17. N 18. F 19. G 20. LUnit Thirty11. E 12. D 13. N 14. J 15. B 16. F 17. L 18. M 19. O 20. AUnit Thirty-One11. I 12. B 13. J 14. C 15. G 16. H 17. E 18. K 19. M 20. AUnit Thirty-Two11. A 12. E 13. G 14. M 15. L 16. F 17. C 18. H 19. N 20. DUnit Thirty-Three11. A 12. F 13. B 14. D 15. L 16. E 17. O 18. K 19. G 20. MUnit Thirty-Four11. D 12. F 13. C 14. N 15. A 16. B 17. G 18. E 19. O 20. M Unit Thirty-Five11. D 12. F 13. H 14. K 15. M 16. J 17. G 18. B 19. C 20. N Unit Thirty-Six11. D 12. E 13. I 14. C 15. K 16. H 17. O 18. J 19. F 20. B Unit Thirty-Seven11. I 12. B 13. E 14. A 15. M 16. G 17. L 18. D 19. J 20. C Unit Thirty-Eight11. H 12. I 13. B 14. D 15. J 16. K 17. F 18. C 19. G 20. L Unit Thirty-Nine11. B 12. C 13. E 14. J 15. G 16. F 17. K 18. O 19. D 20. H Unit Forty11. B 12. K 13. I 14. L 15. J 16. F 17. G 18. M 19. E 20. H Unit Forty-One11. B 12. F 13. E 14. H 15. A 16. M 17. N 18. J 19. G 20. O Unit Forty-Two11. D 12. A 13. B 14. E 15. K 16. N 17. M 18. C 19. J 20. L Unit Forty-Three11. O 12. I 13. B 14. H 15. G 16. C 17. L 18. J 19. N 20. A Unit Forty-Four11. D 12. F 13. L 14. J 15. G 16. I 17. H 18. C 19. M 20. B Unit Forty-Five11. D 12. E 13. K 14. H 15. F 16. L 17. O 18. I 19. J 20. C Unit Forty-Six11. D 12. H 13. M 14. F 15. I 16. K 17. N 18. A 19. J 20. C Unit Forty-Seven11. L 12. D 13. C 14. F 15. I 16. E 17. J 18. K 19. B 20. N Unit Forty-Eight11. B 12. L 13. F 14. G 15. K 16. E 17. M 18. O 19. I 20. C Unit Forty-Nine11. F 12. L 13. I 14. B 15. C 16. K 17. E 18. H 19. D 20. J Unit Fifty11. F 12. E 13. A 14. K 15. O 16. J 17. I 18. H 19. L 20. B 快速阅读练习答案skimming and scanning passage 11-7 BCACDCB8.overall white woman9.the beauty industry's standards10.the beauty desirabilityPassage2 DBADCAC10. 8. 【解析】feeling the vibrations of a struggling prey 9. 【解析】collagen fibers 10. 【解析】some fantast ic involuntary changesPassage3 BDDDBBA 8. personal life9. tired 10. listen carefully Skimming and Scanning Passage 4 1-7 BDDDCBD8. the challenges of married life 9. a formal suit 10. marriage promise Skimming and Scanning Passage 5 1-7 ABCDDCD8. gain the weight back 9. high-risk situations 10. a simple activity, such as reading or brushing teeth. Skimming and Scanning Passage 6 1 - 7. BCADCBD 8. pave the way9. irreplaceable10. more likelySkimming and Scanning Passage 7 1 - 7. DCBDAAB 8. dispersed in the atmosphere9. debris10. troubleSkimming and Scanning Passage 8 1 - 7. CABACDC8. two9. very upset10. eased Skimming and Scanning Passage 9 1. B 2. D 3. D 4. D 5. C 6.B 7. D8. the challenges of married life 9. a formal suit 10. marriage promise Skimming and Scanning Passage 10 1 - 7 ACBCDDC8. suggestion therapy 9. they are fascinated by it 10. accept it/ accept the methodSkimming and Scanning Passage 11 1 - 7. BDABCCD 8. a network of vessels9. an invading organism10. against future attacksSkimming and Scanning Passage 12 1-7 CDBDDDC8. National Committee9. Team manager 10. five yearsPassage13 CBCBCAC 8. 10.【解析】the losing of calcium【解析】do not mix well 9.【解析】electricity for manufacturing Skimming and Scanning Passage 141. A2.D3.B4.C5.A6.B7.C8. quite homogeneous 9.relationships with consumers 10.the appropriate mediaSkimming and Scanning Passage 151.C2.B3.D4.A5.D6.B7.C8. changes in the visa process 9. take their knowledge and skills back home10. strengthen the nation完形填空1 ACABD CBACD CADDD DBDCB2 CABBA CDCDC DDBBA DCBAC3 AAADC BADCD CBBCA DCCBD4 DACBA CDBAC BADCB ACBDD5 BCACB DDCAD AACAB BDDBC6 BAADC DBAAB ACDBC ADDAC7 BDBCD DBABD AABAD CBACC8 BDCDC BADAA BDBCD BDDCC9 BDCAC BDCCB ADBCD BCBDB 10 CABAA BBDCC DABAC ABCBB 11 CCADA AADBA BBCAA ADADB 12 ABCAA BDCBA BCBCD CABCA 13 CBABB CDBDA CBCDB BACBD 14 BCAAD BADBA ACDBC CDACB 15 B ACloze Test 17. BCCAC DDCAD BADBD BACAACloze Test 18. DCBAB DCDDA CBCDA BDCDBCloze Test 19. BABDC ACCBD DABAB CDADBCloze Test 20. ACDAB DBCAD BADDB AABCCCloze Test 21. BCCBD CADAB CDABC ADBCACloze Test 22. AADAC BCDCA ACDBA ADCBCCloze Test 23. ADDAB CDAAD BACBB BBCBACloze Test 24. BDADA CACBD BACDB BCACBCloze Test 2571. A) ago 72. C) idea 73. B) come 74. A) indoor 75. D) revealed 76. B) down 77. C) safe 78. A) reduced 79. D) destroy 80. B) however 81. C) completely 82. A) or 83.B) fact 84.D) developed 85.A) starts 86.D) inevitably 87. C) instead 88.C) adopting 89.B) beneficial 90. A) EntireCloze Test 2671-80 AADAB CDCBD81-90 CAADB CBDACCloze Test 2761. C)way62. A)save63. B)to64. C)simple65. D)think66. B)best67. B)whose68. C)in69. B)takes70. D)model71. B)make72. A)adopt73. D)keep74. B)possession75. A)run 76. A)appliance77. B)purpose78. C)item79. A)what80. D)fromCloze Test 2861.A about 62. B waving 63.B after 64.D not 65.A historical66.C identify 67.C fought 68.D idea 69.B signed 70.A place71. A Even 72.B just 73. D directly 74. A competitiveness 75.D as76. D good 77.C on 78. C teaching 79. A done 80.C andCloze Test 2971. A 72. B 73. B 74. A 75. D76. C 77. B 78. D 79. A 80. D81. B 82. C 83. A 84. D 85. A86. C 87. B 88. D 89. A 90. CCloze Test 3071. B 72. D 73. D 74. C 75. C 76. D 77. B 78. A 79. C 80. C81. B 82. B 83. D 84.A 85. C 86. A 87. D 88. B 89. D 90. C BC CDADB CCDBD BACCB 16 BBCAA CDBAB ABCDB AACDB。
英语四级(15选10,含解析方法!)
例：El Nino is the name given to the myster ious and often unpredictable change in the clima te of the world. This strange __47__ happens e very five to eight years. It starts in the Pacific O cean and is thought to be caused by a failure i n the trade winds, which affects the ocean curre nts driven by these winds. As the trade winds le ssen in __48__ , the ocean temperatures rise, c ausing the Peru current flowing in from the east to warm up by as much as 5°CThe warming of the ocean has far-reaching effects. The hot , humid air over the ocean cau ses severe __49__ thunderstorms. The rainfall is increased across South America __50__ floods to Peru. In the West Pacific, there are droughts affecting Australia and Indonesia. So while some parts or the world prepare for heavy rains and floods, other parts face drought, poor crops and __51__.El Nino usually lasts for about 18 months. T he 1982-83 El Nino brought the most __52__ w eather in modern history. Its effect was worldwide and it left more than 2,000 people dead and caused over eight billon pounds __53__ of dam age. The 1990 El Nino lasted until June 1995. Scientists __54__ this to be the longest El Nino for 2,000 years.Nowadays, weather expert are able to forec ast when an El Nino will __55__, buy they’re sti ll not __56__ sure what leads to it or what affe cts how strong it will be.备选：A) estimate I) completelyB) strength J) destructiveC) deliberately K) starvationD) notify L) bringingE) tropical M) exhaustionF) phenomenon N) worthG) stable O) strikeH) attraction第一步：先将选项按词性划分：名词有B) strength F) phenomenon H) attract ion K) starvation M) exhaustion N) worth;动词有A) estimate D) notify L) bringing O) s trike;副词有C) deliberately I) completely;形容词有E) tropical G) stable J) destructive英语四级阅读理解中15选10解题步骤：鉴于以上分析，笔者给出题型步骤如下：一．标注词性，预先分组把题目中给出的15个备选答案词汇进行词性分组。
四级15选10填空练习
四级15选10填空练习Passage 1Questions 47 to 56 are based on the following passage.Perhaps like most Americans you have some extra pounds to 47 . You may even have tried a fad diet or two, but found yourself right back where you started. The key to weight loss is regular 48 activity. And surprisingly, you don’t have to give up eating or make the gym your second home to see long-term, 49 effects.You body needs a certain amount of energy to maintain basic 50 such as breathing, blood circulation and digestion. The energy required to keep your organs functioning is referred to as the resting or basal metabolic rate.Any time you are active, 51 energy is required. It is obtained from glycogen and fat stored in the blood, liver, and muscles. The key to losing weight is to draw on the fat rather than on the carbohydrate reserves.Which of the two energy sources you use depends on the intensity and 52 of your activity. The higher the intensity, the more your body will pull from the stored carbohydrates. The lower the intensity, the more your body will 53 on fat as its fuel.Aerobic exercise is most 54 for weight loss. When you perform aerobic activities you 55 contract large muscle groups such as your legs and arms. Walking, running, rollerblading, swimming, dancing, and jumping jacks are all forms of aerobic activity.Surprisingly, if your aerobic activity is low to moderately intense and of long duration, you will burn more fat than if you had 56 in a short burst of high-intensity exercise. In short, a brisk 30-minute walk will burn fat while a 100-yard sprint will burn glycogen.[A] positive [B] additional [C] duration [D] effective[E] shed [F] physical [G] food [H] functions[I] participated [J] rely [K] cut [L] repeatedly[M] uses [N] little [O] obviousPassage 2Questions 47 to 56 are based on the following passage.The comparatively treeless plains of North Africa have suffered a progressive drying up, both 47 and man-made, but the region was 48 so rich in fertile soil that the district we now know as the Libyan Desert was, in the old days, part of the granary (粮仓) of the Roman Empire, and the centre of the Sahara 49 a busy trading population for a long period. That was when there were 50 in plenty and the fields were the traditional “fields of the woods” —clearings in the forest—and therefore always tree 51 .It is the trees that lift the water and send 52 into the air so that it may fall as dew or rain further on. Trees reduce the speed of the wind, and provide shelter and shade; the roots 53 minerals in the soil and these are carried to the leaves which, when they have fulfilled their function, return to the earth, giving the soil the combination of minerals that plants require.But through the ages Africa has been 54 . Successive invaders have felled the forest to provide grazing lands for their flocks and herds. With the removal of the essential tree cover, the water 55 was broken, the earth became feverish and sick, and in course of time was unable to support those who had broken the 56 of life by removing the earth’s green mantle—the trees.A) moisture B) cycle C) water D) rhythmE) contain F) trap G) once H) surroundedI) fed J) exploited K) social L) naturalM) forest N) usually O) treesPassage 3Questions 47 to 56 are based on the following passage.Rock and roll is a genre of popular music that evolved in the United States in the late 1940s and early 1950s. Its 47 lie mainly in blues, rhythm and blues, country, folk, gospel, and jazz. The style subsequently spread to the rest of the world and developed further, leading ultimately to 48 rock music.The term “rock and roll” now covers at least two different meanings, both in common usage. The American Heritage Dictionary and the Merriam-Webster Dictionary both 49 rock and roll as synonymous with rock music.50 , defines the term as referring specifically to the music of the 1950s.Classic rock and roll is 51 played with one or two electric guitars, a string bass or an electric bass guitar, and a drum kit. In the 52 rock and roll styles of the late 1940s, either the piano or saxophone was often the lead instrument, but these were generally 53 or supplemented by the guitar in the middle to late 1950s.The massive popularity and eventual worldwide view of rock and roll gave it a 54 social impact. Far beyond simply a musical style, rock and roll, as seen in movies and in the new medium of television, 55 lifestyles, fashion, attitudes, and language. It went on to spawn various sub-genres, often without the initially 56 backbeat, that are now more commonly called simply “rock music” or “rock”.A) define B) characteristic C) unique D) rootsE) usually F) Basically G) earliest H) influencedI) followed J) modern K) explanation L) ConverselyM) replaced N) prepare O) seldomPassage 4Questions 47 to 56 are based on the following passage.There’s no question that the Earth is getting hotter. The real questions are: How much of the warming is our fault, and are we 47 to slow the devastation by controlling our insatiable 48 for fossil fuels?Global warming can seem too 49 to worry about, or too uncertain—something projected by the same computer 50 that often can’t get next week’s weather right. On a raw winter day you might think tha t a few degrees of warming wouldn’t be such a bad thing anyway. And no doubt about it: Warnings about 51change can sound like an environmentalist scare tactic, meant to force us out of our cars and restrict our lifestyles.Comforting thoughts, perhaps. Unfortunately, however, the Earth has some discomforting news. From Alaska to the snowy peaks of the Andes the world is heating up right now, and fast. Globally, the 52 is up 1°F over the past century, but some of the coldest, most remote spots have warmed much more. The results aren’t pretty. Ice is 53, rivers are running dry, and coasts are 54, threatening communities.The 55 are happening largely out of sight. But they shouldn’t be out of mind, because they are omens of what’s in store for the 56 of the planet.[A]remote [B]techniques [C]consisting [D]rest[E]willing [F]climate [G]skill [H]appetite[I]melting [J]vanishing [K]eroding [L]temperature[M]curiosity [N]changes [O]skillfulPassage 5Questions 47 to 56 are based on the following passage.Shopping habits in the United States have changed greatly in the last quarter of the 20th century. Early in the 1900s most American towns and cities had a Main Street. Main Street was always the 47 of a town. This street was lined on the both sides with many 48 businesses. Here, shoppers walked into stores to look at all sorts of merchandise: clothing, furniture, hardware, groceries. In addition, some shops offered 49 . There shops included drugstores, restaurants, shoe repair stores, and barber or hairdressing shops. But in the 1950s, a change began to 50 place. Too many automobiles had crowded into Main Street while too few parking places were 51 to shoppers. Because the streets were crowded, merchants began to look with interest at the open spaces outside the city limits. Open space is what their car driving customers 52 . And open space is what they got when the first shopping centre was built. Shopping centers, or rather malls, 53 as a collection of small new stores away from crowded city centers. Attracted by hundreds of free parking space, customers were drawn away from 54 areas to outlying malls. And the growing 55 of shopping centers led in turn to the building of bigger and better stocked stores. By the late 1970s, many shopping malls had almost developed into small cities themselves. In addition to providing the 56 of the stop shopping, malls were transformed into landscaped parks, with benches, fountains, and outdoor entertainment.[A]designed [B]take [C]heart [D]needed[E]though [F]convenience [G]services [H]fame[I]various [J]popularity [K]cosmetics [L]started[M]downtown [N]available [O]cheapnessPassage 6Questions 47 to 56 are based on the following passage.Have you ever been afraid to talk back when you were treated ____47 ___? Have you ever bought something just because the salesman talked you into it? Are you afraid to ask someone for a date.Many people are afraid to assert(表现)themselves. Dr. Alberti thinks it's because their self-respect is low. "Our whole ____48 ___ is designed to make people distrust themselves," says Alberti. "There's always '____49 ___' around-a parent, a teacher, a boss-who 'knows better'. These superiors often gain when they chip(削弱) away at your self-image."But Alberti and other scientists are doing something to help people ____50 ___ themselves. They ____51 ___ "assertiveness training" courses-At for short. In the AT courses people learn that they have a right to be themselves. They learn to speak out and feel good about doing so. They learn to be more ____52 ___ without hurting other people.In one way. learning to speak out is to ____53 ___ fear. A group taking a course will help the timid person to lose his fear. But AT uses an even stronger ____54 ___-the need to share. The timid person speaks out in the group because he wants to tell how he feels.Whether or not you speak up for yourself depends on your self-image. If someone you face is more "important" than you, you may feel less of a person. You start to ____55 ___ your own good sense.You go by the other person's ____56___ . But, why should you? AT says you can get to feel good about yourself. And once you do, you can learn to speak out.[A] doubt [B] active [C] system [D] offer[E] unfairly [F] unfortunately [G] motive [H] image[I] peace [J] demand [K] ask [L] superior[M] overcome [N] confidence [O] roarPassage 7Questions 47 to 56 are based on the following passage.Perhaps like most Americans you have some extra pounds to 47 . You may even have tried a fad diet or two, but found yourself right back where you started. The key to weight loss is regular 48 activity. And surprisingly, you don't have to give up eating or make the gym your second home to see long-term, 49 effects.You body needs a certain amount of energy to maintain basic 50 such as breathing, blood circulation and digestion. The energy required to keep your organs functioning is referred to as the resting or basal metabolic rate.Any time you are active, 51 energy is required. It is obtained from glycogen and fat stored in the blood, liver, and muscles. The key to losing weight is to draw on the fat rather than on the carbohydrate reserves.Which of the two energy sources you use depends on the intensity and 52 of your activity. The higher the intensity, the more your body will pull from the stored carbohydrates. The lower the intensity, the more your body will 53 on fat as its fuel.Aerobic exercise is most 54 for weight loss. When you perform aerobic activities you 55 contract large muscle groups such as your legs and arms. Walking, running, rollerblading, swimming, dancing, and jumping jacks are all forms of aerobic activity.Surprisingly, if your aerobic activity is low to moderately intense and of long duration, you will burn more fat than if you had 56 in a short burst of high-intensity exercise. In short, a brisk 30-minute walk will burn fat while a 100-yard sprint will burn glycogen.[A] positive [B] additional [C] duration [D] effective[E] shed [F] physical [G] food [H] functions[I] participated [J] rely [K] cut [L] repeatedly[M] uses [N] little [O] obviousPassage 8Questions 47 to 56 are based on the following passage.It seems you always forget—your reading glasses when you are rushing to work, your coat when you are going to the cleaners, your credit card when you are shopping...Such absent-mindedness may be 47 to you; now British and German scientists are developing memory glasses that record everything the 48 sees.The glasses can play back memories later to help the wearer remember things they have forgotten such as where they left their keys. And the glasses also 49 the user to "label" items so that information can be used later on. The wearer could walk around an office or a factory identifying certain 50 by pointing at them. Objects indicated are then given a 51 label on a screen inside the glasses that the user then fills in.It could be used in 52 plants by mechanics looking to identify machine parts or by electricians wiring a 53 device.A spokesman for the project said: "A car mechanic for 54 could find at a glance where a part on a certain car model is so that it can be identified and repaired. For the motorist the system could 55 accident black spots or dangers on the road."In other cases the glasses could be worn by people going on a guided tour, 56 points of interest or by people looking at panoramas where all the sites could be identified.[A] allow [B] instance [C] blank [D] industrial[E] frustrating [F] items [G] indicating [H] highlight[I] user [J] complicated [K] white [L] annoying[M] successful [N] articles [O] simplePassage 9Questions 47 to 56 are based on the following passageA sunflower is a sunflower. A mobile phone is a mobile phone. But can you 47 the two to do something for your local 48 ?It may well be possible. When you have finished with your mobile phone you will be able to 49 it in the garden or a plant pot and wait for it to flower.50 , a biodegradable (生物可降解的)mobile phone was introduced by scientists. It is hoped that the new type of phone will encourage 51 to recycle.Scientists have come up with a new material over the last five years. It looks like any other 52 and can be hard or soft. and able to change shape. Overtime it can also break down into the soil without giving out any toxic 53 . British researchers used the new material to develop a phone cover that contains a sunflower seed. When this new type of cover turns into waste, it 54 nitrates(硝酸盐). These feed the seed and help the flower grow.Engineers have designed a small 55 window to hold the seed. They have made sure it only grows when the phone is thrown away."We've only put sunflower seeds into the covers so far. But we are working with plant 56 to find out which flowers would perform best. Maybe we could put roses in next time," said one scientist.[A] Recently [B] consumers [C] chemicals [D] environment[E] combine [F] transparent [G] buy [H] companion[I] experts [J] forms [K] bury [L] paper[M] paper [N] plastic [O] UsuallyPassage 10Questions 47 to 56 are based on the following passage.Blue is the world's favorite color. It is also the color most often 47 with intellect and authority.Most uniforms are blue. In Greek and Roman mythology, blue is the color of sky gods. In the Old Testament, God is 48 by deep blue. Blue and turquoise (青绿色)are represented by the Islamic religion. It is the 49 color in the mosques of the world.Blue symbolizes truth, peace and cooperation. It is the color of the flag of the United Nations and of Europe. As the coolest color of the spectrum, it is the hue most likely to have a receding effect. As in the skies and water that 50 us, blue is seen as a peaceful and 51 color. Blue light has seen to 52 blood pressure by calming the nervous system hence relaxing the body and mind. Blue creates large airy spaces. It makes rooms bigger.The wrong shade of blue can be uncomfortable. It can also be cold and sterile(枯燥的)unless 53 with warmer colors.Light and soft blue makes us feel quiet and protected from the bustle(喧闹)and 54 of the day. Blue bedrooms are restful. Blue bath rooms are appropriately watery. Blue 55 depth with greens and reds. Dark blue represents the night making us calm. Its apparently calming effect makes it the perfect tone for the quieter 56 of your living space.[A] represented [B] engage [C] refreshing [D] surround[E] curved [F] dominant [G]lower [H] balanced[I] activity [J] zones [K] foolish [L] line[M] acquires [N] associated [O] rashPassage 11Questions 47 to 56 are based on the following passage。
2017-2019年英语四级考试十五选十真题及答案汇总
2017-2019年英语四级考试十五选十真题及答案汇总2017年6月第1套The method for making beer has changed over time. Hops （啤酒花）, for example, which give many a modern beer its bitter flavor, are a __26__ recent addition to the beverage. This was first menti oned in reference to brewing in the ninth century. Now, researcher s have found a __27__ ingredient in residue（残留物）from 5000-year-old beer brewing equipment. While digging two pits at a site in the central plains of China, scientists discovered fragme nts from pots and vessels. The different shapes of the containers __ 28__ they were used to brew, filter，and store beer. They may be ancient "beer-making tools," and the e arliest __29__ evidence of beer brewing in China, the researchers reported in the Proceedings of the National Academy of Sciences. To __30__ that theory, the team examined the yellowish, dried __31_ _ inside the vessels. The majority of the grains, about 80%, were f rom cereal crops like barley （大麦）, and about 10% were bits of roots,__32__ lily, which would have made the beer sweeter, the scientist s say. Barley was an unexpected find; the crop was domesticated i n Western Eurasia and didn’t become a __33__ food in central Chin a until about 2,000 years ago, according to the researchers. Based on that timing, they indicate barley may have __34__ in the region not as food, but as __35__ material for beer brewing.A) arrived B) consuming C) direct D) exclusively E) including F) in form G) raw H) reached I) relatively J) remains K) resources L) sta ple M) suggest N) surprising O) test答案：INMCO JELAG2017年6月第2套As if you needed another reason to hate the gym, it now turns out t hat exercise can exhaust not only your muscles, but also your eyes . Fear not, however, for coffee can stimulate them again. During _ _26__ exercise, our muscles tire as they run out of fuel and build u p waste products. Muscle performance can also be affected by a __27__ called "central fatigue," in which an imbalance in the bod y's chemical messengers prevents the central nervous system from directing muscle movements __28__. It was not known, however, w hether central fatigue might also affect motor systems not directly __29__ in the exercise itself, such as those that move the eyes. Tofind out, researchers gave 11 volunteer cyclists a carbohydrate（碳水化合物的）__30__ either with a moderate dose of caffeine（咖啡因），which is known to stimulate the central nervous system, or as a pl acebo（安慰剂）without, during 3 hours of __31__. After exercising, the scientists te sted the cyclists with eye-tracking cameras to see how well their br ains could still __32__ their visual system. The team found that exe rcise reduced the speed of rapid eye movements by about 8%,__33__ their ability to capture new visual information. The caffein e, the equivalent of two strong cups of coffee, was __34__ to rev erse this effect, with some cyclists even displaying __35__ eye mo vement speeds. So it might be a good idea to get someone else to drive you home after that marathon.A) cautiously B) commit C) control D) cycling E) effectively F) in creased G) involved H) limited I) phenomenon J) preventing K) s ensitive L) slowing M) solution N) sufficient O) vigorous答案：OIEGM DCJNF2017年6月第3套America's Internet is faster than ever before, but people still compl ain about their Internet being too slow.New York's Attorney General's office __26__ an investigation in the fall into whether or not Verizon, Cablevision and Time Warner are d elivering broadband that's as fast as the providers __27__ it is. Earli er this month, the office asked for the public's help to measure thei r speed results, saying consumers __28__ to get the speeds they w ere promised."Too many of us may be paying for one thing, and getting another," the Attorney General said.If the investigation uncovers anything, it wouldn't be the first time a telecom provider got into __29__ over the broadband speeds it pro mised and delivered customers. Back in June, the Federal Communi cations Commission fined AT&T $100 million over __30__ that the carrier secretly reduced wireless speeds after customers consum ed a certain amount of __31__.Even when they stay on the right side of the law, Internet providers arouse customers' anger over bandwidth speed and cost. Just this week, an investigation found that media and telecom giant Comcast is the most __32__ provider. Over 10 months, Comcast received nearly 12,000 customer complaints, many __33__ to its monthly dat a cap and overage （超过额度的）charges.Some Americans are getting so __34__ with Internet providers they 're just giving up. A recent study found that the number of America ns with high-speed Internet at home today __35__ fell during the l ast two years, and 15% of people now consider themselves to be "c ord-cutters."A.accusationsB.actuallyC.claim/doc/0914139182.html,municating/doc/0914139182.html,plainF.d ataG.deservedH.frustratedI.hated/doc/0914139182.html,unchedK.relatingL.timesM.trouble/doc/0914139182.html,uallyO.worried答案：JCGMA FIKHB2017年12月第1套A rat or pigeon might not be the obvious choice to tend to someon e who is sick, but these creatures have some 26 skills that could hel p the treatment of human diseases.Pigeons are often seen as dirty birds and an urban 27 , but they ar e just the latest in a long line of animals that have been found to ha ve abilities to help humans. Despite having a brain no bigger than t he 28 of your index finger, pigeons have a very impressive 29 me mory. Recently it was shown that they could be trained to be as acc urate as humans at detecting breast cancer in images.Rats are often 30 with spreading disease rather than 31 it, but this l ong-tailed animal is highly 32 . Inside a rat's nose are up to 1,000 d ifferent types of olfactory receptors (嗅觉感受器), whereas humans only have 100 to 200 types. This gives rats th e ability to detect 33 smells. As a result, some rats are being put to work to detect TB (肺结核). When the rats detect the smell, they stop and rub their legs to 34 a sample is infected.Traditionally, a hundred samples would take lab technicians more th an two days to 35 , but for a rat it takes less than 20 minutes. This rat detection method doesn't rely on specialist equipment. It is als o more accurate—the rats are able to find more TB infections and, therefore, save more lives.A) associated B) examine C) indicate D) nuisance E) peak F) preve nting G) prohibiting H) sensitive I) slight J) specify K) superior L ) suspicious M) tip N) treated O)visual答案：KDMOA FHICB2017年12月第2套Technological changes brought dramatic new options to Americans living in the 1990s. During this decade new forms of entertainme nt, commerce, research, and communication became commonp lace in the U.S. The driving force behind much of this change was a (n) 26 popularly known as the Internet.The Internet was developed during the 1970s by the Department of Defense. In the case of an attack, military advisers suggested the 27 of being able to operate one computer from another terminal. In the early days, the Internet was used mainly by scientists to co mmunicate with other scientists. The Internet 28 under governme nt control until 1984.One early problem faced by Internet users was speed. Phone lines c ould only transmit information at a 29 rate. The development of fib er-optic (光纤) cables allowed for billions of bits of information to bereceived ev ery minute. Companies like Intel developed faster microprocessors, so personal computers could process the 30 signals at a more rapid rate.In the early 1990s, the World Wide Web was developed, in large par t, for 31 purposes.Corporations created home pages where they cou ld place text and graphics to sell products. Soon airline tickets, hotel 32 , and even cars and homes could be purchased online. Universiti es 33 research data on the Internet, so students could find 34 infor mation without leaving their dormitories. Companies soon discovere d that work could be done at home and 35 online, so a whole new cl ass of telecommuters began to earn a living from home offices unsh aven and wearing pajamas (睡衣).A)advantage B) commercial C) conservation D) equipped E) i ncoming F) innovation G) limited H) local I) maintained J) occupa tions K) posted L) remained M) reservations N) submitted O) valua ble答案：FALGE BMKON2017年12月第3套We all know there exists great void (空白) in the public educational system when it comes to 26 to STEM （Science, Technology, Engineering Mathematics) courses. One educ ator named Dori Roberts decided to do something to change this sy stem. Dori taught high school engineering for 11 years. She noticed there was a real void in quality STEM education at all 27 of the pu blic educational system. She said,"I started Engineering For Kids (EFK) after noticing a real lack of ma th, science and engineering programs to 28 my own kids in."She decided to start an afterschool program where children29 in ST EM-based competitions. The club grew quickly and when it reached 180 members and the kids in the program won several state 30 , sh e decided to devote all her time to cultivating and 31 it. The global business EFK was born.Dori began operating EFK out of her Virginia home, which she then expanded to 32 recreation centers. Today, the EFK program 33 over 144 branches in 32 states within the United States and in 21 countri es. Sales have doubled from $5 million in 2014 to $10 million in 201 5, with 25 new branches planned for 2016. The EFK website states, "Our nation is not 34 enough engineers. Our philosophy is to inspir e kids at a young age to understand that engineering is a great 35 ."A) attracted B) career C) championships D) degrees E) developing F ) enroll G) exposure H) feasible I) feeding J) graduating K) intere st L) levels M) local N) operates O) participated答案：GLFOC EMNJB2018年6月第1套An office tower on Miller Street in Manchester is completely covered in solar panels. They are used to create some of the energy used by the insurance company inside. When the tower was first 26 in 196 2, it was covered with thin square stones. These small square stone s became a problem for the building and continued to fall off the fac e for 40 years until a major renovation was 27 . During this renovati on the building's owners, CIS, 28 the solar panel company, Solarcen tury. They agreed to cover the entire building in solar panels. In 200 4, the completed CIS tower became Europe's largest 29 of vertical solar panels. A vertical solar project on such a large 30 has never b een repeated since.Covering a skyscraper with solar panels had never been donebefo re, and the CIS tower was chosen as one of the "10 best green ener gy projects". For a long time after this renovation project, it was the tallest building in the United Kingdom, but it was 31 overtaken by t he Millbank T ower.Green buildings like this aren't 32 cost-efficient for the investor, b ut it does produce much less pollution than that caused by energy33 through fossil fuels. As solar panels get 34 , the world is likely t o see more skyscrapers covered in solar panels, collecting energy m uch like trees do. Imagine a world where building the tallest skyscr aper wasn't a race of 35 , but rather one to collect the most solar energy.A) cheaper B) cleaner C) collection D) competed E) constructed F ) consulted G) dimension H) discovered I) eventually J) height K) necessarily L) production M) range N) scale O) undertaken答案：EOFCN IKLAJ2018年6月第2套Since the 1940s, southern California has had a reputation for smo g. Things are not as bad as they once were but, according to the A merican Lung Association, Los Angeles is still the worst city in the U nited States for levels of 26 . Gazing down on the city from the Gett y Center, an art museum in the Santa Monica Mountains, one would find the view of the Pacific Ocean blurred by the haze (霾). Nor is th e state's bad air 27 to its south. Fresno, in the central valley, comes top of the list in America for year-round pollution. Residents' heart s and lungs are affected as a 28 . All of which, combined with Calif ornia's reputation as the home of technological 29 , makes the pla ce ideal for developing and testing systems designed to monitor pol lution in 30 . And that isjust what Aclima, a new firm in San Franci sco, has been doing over the past few months. It has been trying ou t monitoring stations that are 31 to yield minute-to-minute maps of 32 air pollution. Such stations will also be able to keep an eye on what is happening inside buildings, including offices.To this end, Aclima has been 33 with Google's Street View system. Davida Herzl, Aclima's boss, says they have revealed pollution high s on days when San Francisco's transit workers went on strike and the city's 34 were forced to use their cars. Conversely,"cycle to work" days have done their job by 35 pollution lows.A) assisted B) collaborating C) consequence D) consumers E) crea ting F) detail G) domestic H) frequently I) inhabitants J) innovatio n K) intended L) outdoor M) pollutants N) restricted O) sum答案：MNCJF KLBIE2018年6月第3套Neon (霓虹) is to Hong Kong as red phone booths are to London andfog is to San Francisco. When night falls, red and blue and other colors 26 a hazy (雾蒙蒙的) glow over a city lit up by tens of thousands of neon signs. But many of them are going dark, 27 by more practical, but less romantic, LEDs (发光二极管).Changing building codes, evolving tastes, and the high cost of maintaining those wonderful old signs have businesses embracing LEDs, which are energy 28 , but still carry great cost. "To me, neon represents memories of the past," says photographer Sharon Blance, whose series Hong Kong Neon celebrates the city's famous signs. "Looking at the signs now I get a feeling of amazement, mixed with sadness."Building a neon sign is an art practiced by 29 trained on the job to mold glass tubes into 30 shapes and letters. They fill these tubes with gases that glow when 31 . Neon makes orange, while other gases make yellow or blue. It takes many hours to craft a single sign. Blance spent a week in Hong Kong and 32 more than 60 signs; 22 of them appear in the series that capture the signs lighting up lonely streets—an 33 that makes it easy to admire their colors and craftsmanship. "I love the beautiful, handcrafted, old-fashioned 34 of neon," says Blance. The signs do nothing more than 35 a restaurant, theater, or other business, but do so in the most striking way possible.A)alternative B) approach C) cast D) challenging E) decorative F) efficient G) electrified H) identify I) photographed J) professionals K) quality L) replaced M) stimulate N) symbolizes O) volunteers答案：CLFJE GIBKH2018年12月第1套Millions die early from air pollution each year. Air pollution costs t he global economy more than $5 trillion annually in welfare costs, with the most serious ___26___ occurring in the developing world. The figures include a number of costs ___27___ with air pollution. Lost income alone amounts to $225 billion a year.The report includes both indoor and outdoor air pollution. Indoor p ollution, which includes ___28___ like home heating and cooking, has remained ___29___ over the past several decades despite adva nces in the area. Levels of outdoor pollution have grown rapidly al ong with rapid growth in industry and transportation.Director of Institute for Health Metrics and Evaluation ChrisMurray ___30___ it as an “urgent call to action.” One of the risk factors for premature deaths is the air we breathe, over which individuals hav e little ___31___, he said.The effects of air pollution are worst in the developing world, wher e in some places lost-labor income ___32___ nearly 1% of GDP. Ar ound 9 in 10 people in low and middle-income countries live in place s where they ___33___ experience dangerous levels of outdoor air pollution.But the problem is not limited ___34___ to the developing world. T housands die prematurely in the U. S. as a result of related illnes ses. In many European countries, where diesel (柴油) ___35___ have become more common in recent years, that number reaches tens of thousands.A) abilityB) associateC) consciouslyD) constantE) controlF) damageG) describedH) equalsI) exclusivelyJ) innovatedK) regularlyL) relatesM) sourcesN) undermineO) vehicles答案：FBMDG EHKIO2018年12月第2套Have you ever used email to apologize to a colleague? Delivered a __26__ to a subordinate（下属）with a voice-mail message? Flown by plane across the country just to deliver important news in person? The various communication options at our fingertips today can be good for __27__ and product ivity-and at the same time very troublesome. With so many ways t o communicate, how should a manager choose the one that's best ---__28__ when the message to be delivered is bad or unwelcome ne ws for the recipient? We've __29__ business communication con sultants and etiquette（礼仪）experts to come up with the following guidelines for __30__ using t he alternative ways of delivering difficult messages.First of all, choose how personal you want to be. A face-to-face co mmunication is the most __31__. Other choices, in descending or der of personalization, are; a real-time phone call, a voice-mail mes sage, a handwritten note, a typewritten letter, and the most __32_ _ is email. Some of these may change order according to the __33_ _ situation or your own preferences; for example, a handwritten not e might seem more personal than voice-mail. How do you decide on the best choice for the difficult message you've got to deliver? "My __34__ concern is: How can I soften or civilize this message?" says etiquette expert Dana Casperson."So when I apologize, usually choose in-person first, or a phone co nversation as my top alternative, and maybe a handwritten note next. Apologizing by email is something I now totally __35__."A）avoidB）convenienceC）effectivelyD）escapeE）intimateF）particularlyG）primaryH）promptI）rewardJ）silentK）specificL）surveyedM）unfriendlyN）warningO）witnessed答案：NBFLC EMKGA2018年12月第3套A few months ago, I was down with a terrible cold which ended in a persistent bad cough. No matter how many different __ 26__ I tried, I still couldn't get rid of the cough Not only did it __ 27__ my teaching but also my life as a whole Then one day after class, a student came up to me and __28__ traditional Chinese medicine. From her description, Chinese medicine sounded as if it had magic power that worked wonders. I was __ 29__ because I knew so little about it and have never tried it before. Eventually, my cough got so much __ 30__ that I couldn't sleep at night, so I decided to give it a try. The Chinese doctor took my pulse and asked to see my tongue, both of which were new __ 31__ to me because they are both non-existent in Western medicine. Then the doctor gave me a scraping（刮）treatment known as "Gua Sha". I was a little __ 32__ at first because he used a smooth edged tool to scrape the skin on myneck and shoulders A few minutes later, the __ 33__ strokes started to produce a relieving effect and my body and mind began to __ 34__ deeper into relaxation. I didn't feel any improvement in my condition in the first couple of days, but after a few more regular visits to the doctor, my cough started to __ 35__. Then within a matter of weeks, it was completely gone!A) deepenB) experiencesC) hesitantD) inconvenienceE) lessenF) licensesG) pressuredH) recommendedI) remediesJ) scaredK) sensitiveL) sinkM) temporaryN) trembleO) worse答案：IDHCO BJGLE2019年6月第1套The center of American automobile innovation has in the past dec ade moved 2,000 miles away. It has __26__ from Detroit to Silicon Valley, where self-driving vehicles are coming to life.In a __27__ to take production back to Detroit, Michigan lawmakers have introduced __28__ that could make their state the best place in the country, if not the world, to develop self-driving vehicles and put them on the road."Michigan's __29__ in auto research and development is under atta ck from several states and countries which desire to __30__ our lea dership in transportation. We can't let that happen," says Senator Mike Kowall, the lead __31__ of four bills recently introduced.If all four bills pass as written, they would __32__ a substantial u pdate of Michigan's 2013 law that allowed the testing of self-driving vehicles in limited conditions. Manufacturers would have nearly tot al freedom to test their self-driving technology on public roads. The y would be allowed to send groups of self- driving cars on cross-stat e road trips, and even set up on-demand __33__ of self-driving cars , like the one General Motors and Lyft are building.Lawmakers in Michigan clearly want to make the state ready for the commercial application of self-driving technology. In __34__ , C alifornia, home of Silicon Valley, recently proposed far more __35__ rules that would require human drivers be ready to take the wheel , and ban commercial use of self-driving technology.A) bidB) contrastC) deputyD) dominanceE) fleetsF) knotsG) legislationH) migratedI) replaceJ) representK) restrictiveL) rewardM) significantN) sponsorO) transmitted答案：HAGDI NJEBK2019年6月第2套Just because they can't sing opera or ride a bicycle doesn't mean t hat animals don't have culture. There's no better example of this th an killer whales. As one of the most __26__ predators （食肉动物）, killer whales may not fit the __27__ of a cultured creature. Ho wever, these beasts of the sea do display a vast range of highly _ _28__ behaviors that appear to be driving their genetic developme nt.The word "culture" comes from the Latin "colere," which __29__ me ans "to cultivate." In other words, it refers to anything that is __30 __ or learnt, rather than instinctive or natural. Among human pop ulations, culture not only affects the way we live, but also writes its elf into our genes, affecting who we are. For instance, having spentmany generations hunting the fat marine mammals of the Arctic, th e Eskimos of Greenland have developed certain genetic __31__ th at help them digest and utilize this fat- rich diet, thereby allowing them to __32__ in their cold climate.Like humans, killer whales have colonized a range of different __33 __ across the globe, occupying every ocean basin on the planet wit h an empire that __34__ from pole to pole. As such, different popu lations of killer whales have had to learn different hunting technique s in order to gain the upper hand over their local prey（猎物）. This, in turn, has a major effect on their diet, leadingscientists to __35__ that the ability to learn population-specific hunting m ethods could be driving the animals, genetic development.A) acquiredB) adaptationsC) brutalD) deliberatelyE) expressedF) extendsG) habitatsH) humbleI) imageJ) literallyK) refinedL) revolvesM) speculateN) structureO) thrive答案：CIKJA BOGFM2019年6月第3套Ships are often sunk in order to create underwater reefs （暗礁） perfect for scuba diving （水肺式潜泳） and preserving marine __26__. Turkish authorities have just su nk something a little different than a ship, and it wouldn't normally ever touch water, an Airbus A300. The hollowed-out A300 was __27 __ of everything potentially harmful to the environment and sun k off the Aegean coast today. Not only will the sunken plane __28_ _ the perfect skeleton for artificial reef growth, but authorities ho pe this new underwater attraction will bring tourists to the area. The plane __29__ a total length of 54meters, where experienced scuba divers will __30__ be able to venture through the cabin and around the plane's __31__ Aydin Municipality bought the plane from a private company for just under US $ 100,000, but they hope to see a return on that __32__ through the touri sm industry. Tourism throughout Turkey is expected to fall this year as the country has been the __33__ of several deadly terrorist atta cks. As far as sunken planes go, this Airbus A300 is the largest __3 4__ sunk aircraft ever.Taking a trip underwater and __35__ the inside of a sunken A300 w ould be quite an adventure, and that is exactly what Turkish autho rities are hoping this attraction will make people think. Drawing in a dventure seekers and experienced divers, this new artificial Airb us reef will be a scuba diver's paradise （天堂）.A) createB) depressedC) eventuallyD) experiencesE) exploringF) exteriorG) habitatsH) innovateI) intentionallyJ) investmentK) revealingL) stretchesM) strippedN) territoryO) victim答案：GMALC FJOIE。
全新版大学英语4课后练习clozeB(十五选十)及翻译题
Cloze1In the 21st century, clouds and stormy weather no longer automatically bring operations to a halt or force a change in targets（目标）. Technologies such as the Global Positioning System now allow cruise missiles（巡航导弹） and other smart weapons to home in on（瞄准并飞速接近） their targets. But the weather still is a factor that must be reckoned with, especially with precision-guided weapons that must be highly accurate （高度精确）to be effective.Fortunately, the ability to obtain weather forecasts will get better. In the next few years, remote weather sensors（传感器） will grow rapidly on unmanned （无人的）vehicles. This will create a network of observing platforms that will give commanders an instant overview of weather in the battle zone （战场）. In some areas you’ll have direct delivery of weather information straight from the computes to black boxes in aircraft and other vehicles. That will be especially important for target-bound aircraft（瞄准目标的飞行器）.Such technology will give whoever possess it a tremendous edge（优势） over their enemy and enable them to use developing weather conditions to their advantage. As we get superior satellites into space, we’ll gain huge advantages in observing meteorological conditions in denied areas（盲区）, where we don’t have people on the ground. And our modeling ability will continue to improve as our computers get more powerful. The past 10 years have witnessed a revolution in our communications （通讯） and computer abilities. It’s exciting to think of what the next 10 years will bring.在第二十一世纪，云层和暴风雨天气不再自动带来业务停顿或迫使目标的变化（目标）。
到英语四级15选10题型汇总
2013年6月份Walking, if you do it vigorously enough, is the overall best exercise for regular physical activity. Itrequires no equipment, everyone knows how to do it and it carries the 47 risk of injury. The human b ody is designed to walk. You can walk in parks or along a river or in your neighborhood. To get 48 be nefit from walking, aim for 45 minutes a day, an average of five days a week.Strength training is another important 49 of physical activity. Its purpose is to build and 50 bone and muscle mass, both of which shrink with age. In general, you will want to do strength training twoor three days a week, 51 recovery days between sessions.Finally, flexibility and balance training are 52 important as the body ages. Aches and pains are h igh on the list of complaints in old age. The result of constant muscle tension and stiffness of joints, many of them are 53 , and simple flexibility training can 54 these by making muscles stronger and keeping joints lubricated (润滑 ).Some of this you do whenever you stretch. If you watch dogs and cats, you’ll get an idea of how natural it is. The general 55 is simple: whenever the body has been in one position for a while, it is good to56 stretch it in an opposite position.A) allowing B) avoidable C) briefly D) component E) determined F) helping G) increasingly H) lowest I) maintain J) maximum K) preventL) principle M) provoke N) seriously O) topic答案：47. 答案：H. lowest【解析】：根据上下文可以判断需要选择一个形容词来修饰risk，根据句子意思，需要选择lowest“最低的”，句子的意思是：人人都知道怎么步行，并且步行受伤的风险最低。
(完整版)大学英语四级十五选十历年真题专练
Section A 201106Directions: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. Please mark the corresponding letter for each item on Answer Sheet 2 with a single line through the center. You may not use any of the words in the bank more than once.Questions 47 to 56 are based on the following passage.The popular notion that older people need less sleep than younger adults is a myth, scientists said yesterday. While elderly people ----47----- to sleep for fewer hours than they did when , this has a(n) ---48----- effect on their brain's performance and they would benefit from getting more, according to research. Sean Drummond, a psychiatrist (心理医生) at the University of California, San Diego, said that older people are more likely to suffer from broken sleep, while younger people are better at sleeping ------49----- straight through the night.More sleep in old age, however, is ----50------ with better health, and most older people would feel better and more ------51------ if they slept for longer periods, he said."The ability to sleep in one chunk (整块时间) overnight goes down as we age but the amount of sleep we need to ------52----- well does not change," Dr Drummond told the American Association for the Advancement of Science conference in San Diego."It's ------53----- a myth that older people need less sleep. The more healthy an older adult is, the more they sleep like they did when they were -------54------ . Our data suggests that older adults would benefit from ------55------ to get as much sleep as they did in their 30s. That's -56- from person to person, but the amount of sleep we had at 35 is probably the same amount we need at 75."A) alert B) associated C) attracting D) cling E) continuing F) definitely G) different H) efficiently I) formally J) function K) mixed L) negative M) sufficient N) tend O) younger【参考答案】47 N tend 48 L negative 49 H efficiently 50 B associated 51 A alert52 J function 53 F definitely 54 O younger 55 E continuing 56 G different201006When we think of green buildings, we tend to think of new ones – the kind of high-tech, solar-paneled masterpieces that make the covers of architecture magazines. But the U.S. has more than 100 million existing homes, and it would be __47__ wasteful to tear them all down and __48__ them with greener versions. An enormous amount of energy and resources went into the construction of those houses. And it would take an average of 65 years for the __49__ carbon emissions from a new energy-efficient home to make up for the resources lost by destroying an old one. So in the broadest __50__, the greenest home is the one that has already been built. But at the same time, nearly half of U. S. carbon emissions come from heating, cooling and __51__ our homes, offices and other buildings. "You can't deal with climate change without dealing with existing buildings," says Richard Moe, the president of the National Trust.With some __52__, the oldest homes tend to be the least energy-efficient. Houses built before 1939 use about 50% more energy per square foot than those built after 2000, mainly due to the tiny cracks and gaps that __53__ over time and let inmore outside air.Fortunately, there are a __54__ number of relatively simple changes that can green older homes, from __55__ ones like Lincoln's Cottage to your own postwar home. And efficiency upgrades (升级) can save more than just the earth; they can help __56__ property owners from rising power costs.注意：此部分试题请在答题卡2上作答。
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四级英语十五选十真题题库
1、____ wants to see you. [单选题] *
A. Somebody(正确答案)
B. Anybody
C. All the people
D. No people
2、—Could you take out the rubbish, Jim?—______. I have too much homework to do. You can ask Sally to do it. （）[单选题] *
A. Sorry, I can’t(正确答案)
B. No problem
C. I disagree
D. No, thanks
3、Be careful with the knife. You may hurt _______. [单选题] *
A. himself
B. ourselves
C. myself
D. yourself(正确答案)
4、Don't tell me the answer, I'll work out the problem _____. [单选题] *
A .by me
B. myself(正确答案)
C. me
D. mine
5、Last week they _______ in climbing the Yuelu Mountain. [单选题] *
A. succeeded(正确答案)
B. succeed
C. success
D. successful
6、While I _____ the morning paper, a headline caught my eye.. [单选题] *
A. have read
B. was reading(正确答案)
C. had read
D. am reading
7、We are very hungry now. Can you _______ us something to eat? [单选题] *
A. carry
B. take
C. borrow
D. bring(正确答案)
8、It’s usually windy in spring, ______ you can see lots of people flying kites.（）[单选题] *
A. so(正确答案)
B. or
C. but
D. for
9、11．________ big furniture shop it is! [单选题] *
A．How
B．What
C．What a (正确答案)
D．What an
10、47．Yao Ming is tall. That's one of his ________. [单选题] *
A．advantage
B．advantages(正确答案)
C．disadvantage
D．disadvantages
11、It usually takes him about 15 minutes _______ his bike to school. [单选题] *
A. rides
B. riding
C. ride
D. to ride(正确答案)
12、( ) .Would you please ______me the gifts from your friends? [单选题] *
A.to show
B. showing
C. show(正确答案)
D. shown
13、We _______ swim every day in summer when we were young. [单选题] *
A. use to
B. are used to
C. were used to
D. used to(正确答案)
14、93．Welcome ________ our school! [单选题] *
A．to(正确答案)
B．in
C．at
D．/
15、Mary is interested ______ hiking. [单选题] *
A. on
B. by
C. in(正确答案)
D. at
16、Nobody noticed the thief slip into the shop, because the lights happened to _______. [单选题] *
A. put out
B. turn out
C. give out
D. go out(正确答案)
17、She is a girl, _______ name is Lily. [单选题] *
A. whose(正确答案)
B. who
C. which
D. that
18、On Easter children _______ eggs around the house. [单选题] *
A. hunt for(正确答案)
B. send for
C. prepare for
D. ask for
19、There are still some wild tigers alive. [单选题] *
A. 聪明的
B. 凶恶的
C. 野生的(正确答案)
D. 珍贵的
20、He runs so fast that no one can _______ him. [单选题] *
A. keep up
B. keep away
C. keep up with(正确答案)
D. keep on
21、They will hold the party if they _____ the project on time. [单选题] *
A. will complete
B. complete(正确答案)
C．completed
D. had completed
22、—______ you speak French?—Yes, I can.（）[单选题] *
A. Need
B. Can(正确答案)
C. Might
D. Must
23、21．Design a travel guide for Shanghai! ________ the competition and be the winner! [单选题] *
A．Join
B．Attend
C．Enter
D．Take part in (正确答案)
24、What do you think of the idea that _____ honest man who married and brought up a large
family did more service than he who continued single and only talked of _____ population. [单选题] *
A. a, /
B. an, /
C. a, the
D. an, the(正确答案)
25、In order to find the missing child, villagers _______ all they can over the past five hours. [单选题] *
A. did
B. do
C. had done
D. have been doing(正确答案)
26、--What are you going to be in the future?--I want to be _______ actor. [单选题] *
A. a
B. an(正确答案)
C. the
D. /
27、--Miss Li, could you please help me _______ math problem？--OK. Let me try. [单选题] *
A. look up
B. work out(正确答案)
C. set up
D. put up
28、18．Monica wants to be a _______. She is good at sports and she loves teaching others. [单选题] *
A．coach(正确答案)
B．secretary
C．architect
D．waiter
29、As for the quality of this model of color TV sets, the ones made in Chine are by no means _____ those imported. [单选题] *
A inferior than
B less inferior to
C less inferior than
D. inferior to(正确答案)
30、83．The school is? ? ? ? ? ? ?the hospital. [单选题] *
A．with
B．into
C．onto D．opposite(正确答案)。