高中英语完形填空练习题

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 bel

2、ieved 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 rac

3、ing 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 f

4、rom 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

5、 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 en

6、ough 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, an

7、d 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 prof

8、essional 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 t

9、o 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.

10、 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. Aft

11、er 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

12、 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

13、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."

14、 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 ha

15、ve "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. And

16、4. 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

17、 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. Face

18、d B. Compared C. Covered D. Filled19. A. not B. yet C. till D. though20. A. do with B. deal with C. make D. Settle3Workers aren't 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 machin

19、e can't 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 can't be 5 . Old -fashioned keys and locks may soon be things of the past. High-tech security devices

20、(装置) are being 6 at military bases, computer centers, nuclear plants and banks. Companies that 7 the machines say they'll someday be used in people's homes and cars. Already, a Japanese firm has fixed devices that 8 people's fingerprints in 360 new homes. The machines open the doors only

21、 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 pattern

22、s. 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 mus

23、t still solve a(n) 19 problem. How wi11 a boy borrow his dad's car without borrowing dad's 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

24、. 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. an

25、ybody 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. surprising

26、19. A. dangerous B. serious C. terrible D. ordinary20. A. face B. picture C. fingers D. Voice4Every year, almost 2 million Americans are injured while they're 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 drivi

27、ng 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

28、didn't 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

29、 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 don't take into 14 people who become sick from 15 that they are exposed to at work. Doctors don't 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 don't want to pay the bill for fixing them. They also say some workers don't want to complain about dan