高二英语完形填空专项练习.doc

高二英语完形填空专项练习1 A dark horse is one that shows unexpected racing speed and comes in first, 1 the experts said he had little chance of winning. In politics, an 2 candidate (候选人) for office who 3 a nomination(提名)or election is called a dark horse. British Prime Minister Benjamin Disrael is believed to 4 the first to use the phrase. In his novel, The Young Duke , published in 1831, Disrael described a horse race and told how the two top choices fell 5 ,while a dark horse which had never been thought of rushing past the grandstand (看台)in a sweeping triumph. From racing to politics was a short step. As a political phrase, “dark horse ” 6 for the first time in the national Democratic Party congress of 1844. The dark horse was James Knox Polk who became the llth President of the United States. Polk had been the leader of the House of Representatives from 1835 to 1839. He had 7 been Governor of the state of Tennessee. But as a national leader, he was considered a political 8 . Nevertheless, he 9 won the Democratic nomination and was elected 10 .Martin Van Buren of New York, A former President, seemed sure of getting the nomination. But he opposed making the territory of Texas part of the United States as mother state. He was 11 it because there was slavery in Texas. Van Buren did not want another slave state in the Union. As a result, he 12 support among those Democrats who supported slavery. At the 1884 congress, Van Buren could not get enough votes to win the nomination. The congress got into 13 . Therefore, the Democratic leaders decided that the only wise thing would be to run a dark horse , 14 who could unite the party. And so, one of the party leaders, George Bancroft, proposed the name of James Knox Polk. He won, and the party 15 behind him, And he defeated his opponent , Henry Clay of the Whig Party. 16 the 1844 congress, the dark horse candidates became an established fact of national political life. One historian said, The invention of the dark horse was 17 a remarkable product of our professional politics. This made 18 possible for party leaders to choose candidates who were not tied to certain ideas. Therefore, they represented 19 and had developed 20 enemies.1. A. so B. even though C. so that D. as if2. A. unknown B. famous C. popular D. known3. A. accepts B. looks forward to C. refuses D. wins4. A. be B. being C. been D. have been5. A. about B. behind C. asleep D. back6. A. happened B. appeared C. used D. was come about7. A. as well B. either C. also D. too8. A. somebody B. everybody C. anybody D. nobody9. A. difficultly B. successfully C. surprisingly D. easily10. A. President B. a President C. the President D. the governor11. A. for B. against C. in favor of D. in favor with12. A. won B. received C. lost D. wasted13. A. votes B. help C. efforts D. money14. A. a horse B. a man C. an animal D. an organization15. A. laughed B. succeeded C. won D. united16. A. After B. Since C. Before D. Because17. A. in itself B. of itself C. for itself D. by itself18. A. one B. it C. that D. this19. A. anything B. nothing C. something D. everything20. A. quite a few B. a lot of C. few D. little2It is an usual sunny afternoon in the village of Midwich, England. It seems not 1 any afternoon in the village, but all of a sudden, 2 and animals lose consciousness. 3 they awake, all of the women of child-bearing age have become pregnant (怀孕的). This is an episode from a 1960 science fiction story. The women in the story 4 birth to children that have the 5 appearance. They 6 have blond hair and “strange eyes”. 7 the children grow, they run around the village in a pack, 8 the same clothing and hairstyles, stating at everyone 9 . 10 one child learns is also known by the others immediately. Villagers begin to 11 their belief that the children all have one mind. In this story, the children are 12 by some unexplained force from outer space. But this story 13 40 years ago 14 predicted the arrival of a recent method of genetic engineering cloning. Cloning is the genetic process of producing copies of an individual. Will the genetic copies of a human really have one mind as 15 in this story? This situation is so strange 16 us that we do not know what will 17 of it. 18 with this new situation, people have 19 to find out how to 20 it.1. A. dislike B. unlike C. alike D. like2. A. people B. women C. men D. youths3. A. Then B. When C. Since D. And4. A. send B. make C. take D. give5. A. pretty B. same C. ugly D. funny6. A. every B. both C. themselves D. all7. A. If B. For C. As D. So8. A. having on B. wearing C. in D. with9. A. lonely B. bravely C. impolitely D. patiently10. A. Which B. While C. Where D. What11. A. express B. wonder C. select D. argue12. A. given B. produced C. created D. taken out13. A. written B. being written C. to be written D writes14. A. sometimes B. anyway C. somehow D. anyhow15. A. describes B. described C. describe D. describing16. A. for B. at C. with D. to17. A. happen B. occur C. appear D. become18. A. Faced B. Compared C. Covered D. Filled19. A. not B. yet C. till D. though20. A. do with B. deal with C. make D. settleWorkers arent allowed to go into a huge underground computer center 1 they step up to a machine that 2 a quick picture of the tiny blood vessels(管) inside their eyes. If the machine cant 3 the picture with images in its computer, the worker is 4 by security (安全) guards. Each person has his own pattern of blood vessels in his or her eyes. And unlike a key, the pattern cant be 5 . Old -fashioned keys and locks may soon be things of the past. High-tech security devices(装置) are being 6 at military bases, computer centers, nuclear plants and banks. Companies that 7 the machines say theyll someday be used in peoples homes and cars. Already, a Japanese firm has fixed devices that 8 peoples fingerprints in 360 new homes. The machines open the doors only for the 9 of the houses. The new security devices are selling well because thieves and spies are getting better at breaking 10 buildings and computers that are protected by 11. Since 12 can steal or copy a fingerprint or eye pattern, the new machines are 13 . 14 new machines recognize voice patterns. Two American companies use voice-recognition machines to keep an eye on their computers. Inexpensive voice-recognition machines may someday 15 locks on cars. The doors would open only for the owners. The devices would 16 the owners 17 $ 270. Although the up-to-date devices are 18 , scientists must still solve a(n) 19 problem. How wi11 a boy borrow his dads car without borrowing dads 20 ?1. A. if B. even if C. until D. after2. A. take B. give C. draw D. show3. A. match B. fit C. compare D. share4. A. caught B. killed C. beaten D. stopped5. A. borrowed B. missed C. stolen D. bought6. A. fixed B. dealt with C. repaired D. checked7. A. buy B. sell C. make D. copy8. A. remember B. store C. count D. recognize9. A. makers B. buyers C. sellers D. owners10. A. through B. in C. into D. out11. A. computers B. security devices C. cameras D. keys and locks12. A. nobody B. everybody C. anybody D. somebody13. A. safe B. unusual C. helpful D. useful14. A. Other B. Another C. More D. Others15. A. take place of B. replace C. take place D. place back16. A. pay B. spend C. take D. cost17. A. up to B. as few as C. as much as D. as little as18. A. amazing B. cheap C. expensive D. surprising19. A. dangerous B. serious C. terrible D. ordinary20. A. face B. picture C. fingers D. voice4Every year, almost 2 million Americans are injured while theyre 1 work. Every day, 240 are killed on the job. The 2 job is cutting down trees. Being a policeman is safer than many jobs, including driving a truck, collecting garbage and 3 airplanes. One of the safest jobs is being a librarian. The government inspects(检查) most factories and offices. 4 have to 5 fines if their factories or offices are unsafe. In California, employers often go to prison if one of their workers is 6 because a factory didnt 7 safety measures. But President Bush cut down the number of government inspectors 8 15 percent. Many people say working is less safe 9 . For women workers, the greatest danger so far is murder. Forty-two percent of all 10 who die at work were killed. Many of them work 11 clerks in stores 12 they are by themselves at night. Experts say they can protect themselves by putting the cash desk in full 13 of the street. The numbers of deaths and accidents at work dont take into 14 people who become sick from 15 that they are exposed to at work. Doctors dont know 16 some chemicals cause illness. There are no government rules for many new chemicals. Inspectors say employers 17 their backs on safety problems because they dont want to pay the bill for fixing them. They also say some workers dont want to complain about dangers because they may 18 their jobs. The government should force business to improve safety. Theres no 19 for workers dying or 20 in an accident that could have been prevented.1. A. in B. at C. on D. during2. A. safest B. most dangerous C. easiest D. most tiring3. A. flying B. making C. driving D. riding4. A. Officers B. Worker C. Employers D. Employees5. A. give B. offer C. pay D. buy6. A. saved B. hit C. shot D. killed7. A. use B. make C. obey D. take8. A. to B. by C. from D. at9. A. as a result B. though C. at last D. therefore10. A. adults B. youths C. men D. women11. A. for B. as C. like D. to12. A. which B. that C. where D. why13. A. view B. look C. scene D. scenery14. A. thought B. mind C. thinking D. consideration15. A. machines B. chemicals C. air D. work16. A. because B. when C. if D. even if17. A. give B. turn C. show D. refuse18. A. lose B. miss C. give up D. save19. A. need B. reason C. time D. excuse20. A. injuring B. being injured C. be injuring D. be injuredHow do you draw the interest of a 4,500 kilogram elephant? You hit the elephant with a big I , according to a zoo director in California. But is that a 2 way to treat the big, friendly animals? How zoos treat their elephants has led to a scientific 3 . Some scientists complain that zoos use 4 force to train the huge animals and get them 5 control. There are about 400 elephants in North American zoos, and wild animal parks. The 6 animals with their big trunks and ears and tusks delight children and 7 smiles from adults. 8 hasnt 9 when an elephant has picked up a peanut quickly with its trunk from a trainer? But elephants arent in zoos just for entertainment. Elephants are 10 in Asia and Africa, and being raised in American zoos may be 11 to keep them 12. Elephants are different from most other zoo animals because they must be in touch with humans who take care of their feet, and 13 an elephant wants to be dominant(支配的). An elephant wants to control the 14 , not on the contrary. Elephant keepers must make the animals obey them 15 they may be attacked by the elephants. But some scientists are 16 that keepers are using too much 17 and are injuring elephants. Several zoos have recently been looked into 18 people said elephants were beaten with heavy sticks. Scientists are 19 zoos how to make elephants behave without 20 them. If they succeed, children will be entertained by elephants for many more generations.1. A. sword B. knife C. whip D. stick2. A. cruel B. kind C. surprising D. funny3. A. research B. discussion C. argument D. quarrel4. A. very much B. too much C. much too D. enough5. A. under B. in C. out of D. to6. A. stupid B. heavy C. cruel D. fast7. A. draw B. give C. show D. turn8. A. Anyone B. Whoever C. Anyone who D. Who9. A. attracted B. smiled C. be happy D. caught10. A. dying B. scarce C. short D. small11. A. important B. necessary C. impossible D. improper12. A. lively B. living C. lovely D. alive13. A. that B. because C. / D. then14. A. keeper B. others C. animals D. zoo director15. A. so that B. or C. and D. therefore16. A. eager B. worried C. delighted D. surprised17. A. strength B. energy C. power D. force18. A. because B. since C. now that D. so19. A. showing B. explaining C. asking D. considering20. A. blaming B. injuring C. scolding D. punishing6 Foods quickly spoil and break down if they are not stored 1 . Heat and damp encourage increase in micro-organisms(微生物的), and sunlight can 2 vitamins in such food as milk. Therefore, 3 foods should be stored in a cool, dark and dry place. Some foods 4 bad quickly, such as meat, eggs and milk. They should be stored in a temperature of 5C10C. In this temperature range, the activity of micro-organisms is 5 . In warm climates, this temperature can be kept 6 in a fridge or in the underground basement of a house. Dry goods, such as flour and rice, should be kept at a slightly 7 temperature than foods that go bad quickly. A temperature of 15C is ideal(理想的). In Britain and northern European countries this means that the room in which dry foods are stored should 8 the general heating of the house. The room should also be well 9 and, above all, dry. Damp very quickly causes the 10 of the green molds. These molds often grow on cheese if it is not stored properly. Fruits and vegetables need cool and damp 11 . Therefore, an underground basement usually 12 an excellent storage place. If the central heating unit is in the basement, 13 , it will not be ideal unless the unit and the pipes do not give out any 14 . Foodstuffs do not break down quickly. If correctly 15 , they should keep for quite long periods of time. Thus, salt and sugar will keep for about two years; tinned meat goods, 16 beef and chicken, for about eighteen months; flour and other dry goods, for about a year. Freezing the foodstuffs that spoil easily preserves (保存) them for much longer 17 is otherwise possible. But 18 frozen foods do not keep their food value or their 19 for ever. As a 20 rule, meat should be cooked and eaten within a year after it is frozen; fish , within six to ten months; fruits and vegetables, with three to six months.1. A. coolly B. correctly C. exactly D. freshly2. A. destroy B. cause C. harm D. hurt3. A. all B. most C. each D. both4. A. become B. get C. go ID. turn5. A. reduced B. raised C. lessened D. shortened6. A. usually B. seldom C. forever D. only7. A. taller B. higher C. lower D. lighter8. A. choose B. enjoy C. share D. refuse9. A. aired B. cleaned C. decorated D. emptied10. A. appearance B. growth C. development D. increase11. A. conditions B. situations C. affairs D. surroundings12. A. gets B. becomes C. creates D. makes13. A. therefore B. besides C. however D. then14. A. noises B. heat C. smoke D. light15. A. storing B. being stored C. stored D. store 16. A. like B. for example C. that is D. as 17. A. as B. than C. so D. that 18. A. ever B. even C. just D. some 19. A. taste B. size C. price D. shape 20. A. usual B. ordinary C. general D. common7Most of us can remember the days when we didnt use e-mail as an everyday vehicle for communication. Slowly but surely, it crept into 36. E-mail is a 37 tool for college students at any level. Its available 24 hours a day, 7 days a week and 38 at holidays. Most universities assign students an account upon entrance, 39 there is usually not even an option involved.You can do everything from cons