全新版大学英语3词汇语法练习(1-4单元)

Vocabulary and Structure (20 Minutes)(Units 1-4)Directions: There are 30 incomplete sentences below. For each sentence there are four choices marked A, B, C, D. Choose the ONE answer that best completes the sentence.1. As peoples living standards improve, the health and beauty business is _ with more sophisticated products than ever before.A. astonishing B. flourishing C. exaggerating D. diminishing2. The _ of older persons is relatively low in developing countries, but it is growing much faster than in the west. A. additionB. majorityC. percentageD. statistic3. Makers of consumer electronics will pay for environmental sanitation services to collect and _ used refrigerators, computers and televisions under the new rules. A. dischargeB. distributeC. dispose ofD. deal with4. As some of the rules concerning foreign trade ran contrary to the principles of the WTO, the government decided to _ them as soon as possible. A. abolish B. accomplishC. distinguishD. establish5. As the semester is drawing to an end, the student union is calling on its youth to _ the temptation to cheat on exams. A. refuseB. rejectC. resistD. resolve6. In the last few years, the Internet and the World Wide Web have become _ words; almost everyone has heard of them.A. Family B. homeC. houseD. household7. Vicki never worried or hesitated about anything, she just _ it and almost always got whatever she wanted.A. went by B. went forC. went over D. went with8. The reason 800 million people go hungry today is not that there isnt enough food in the world, _ that these people cannot get the food anyway.A. but B. despiteC. even D. except9. As she matured as an artist, she _ realize that “all artists are a product of their culture.A. come toB. kept toC. took to D. went to10. My son failed to come back home last night. This morning the police came to our house and _ the worst fears that he was injured in a car accident.A. advocatedB. confirmedB. insuredD. promised11. Because of the mad cow disease, The European Union _ a worldwide ban on British beef and beef product exports.A. challengedB. chargedC. forgedD. imposed12. The exhibition at the Shanghai Science and Technology Center _ such endangered animals as the giant panda and the Siberian tiger and describes the work being done to protect them.A. detectsB. exploits C. featuresD. demonstrates13. A computer file is a collection of _ data, used to organize the shortage and processing of data by computer.A. electricalB. artificialC. electronic D. genuine14. To protect the environment, scientists and engineers are researching ways to _ electricity more cheaply from such renewable energy sources as the wind and the sun.A. generateB. manufactureC. construct D. transform15. In social dancing, the participants dance for their own pleasure rather than for the _ of an audience.A. appreciation B. entertainmentC. leisureD. temptation16. Wireless waste from cell phones, pocket PCs, and music players _ special problems because they have toxic chemicals in batteries and other components.A. expose B. commitC. poseD. transport17. Scientists have discovered many planets orbiting distant stars, all are _ to life.A. unlikelyB. unfriendlyC. forbiddenD. vulnerable18. A healthy and better-educated new generation is a _ for sustainable economic and social development of all countries.A. guarantee B. securityC. demand D. target19. Parks and open spaces are essential to the quality of life in dense _ areas such as New York city.A. agriculturalB. rural C. suburbanD. urban20. My trip to the small village under the control of the enemy fire was full of delays and difficulties, but I eventually _.A. got by B. turned it overC. hit the sackD. made it21. For traditional Chinese painters, fame and fortune come late, and it is _ for artists to hold their first exhibition when they are over seventy years old.A. hardly common B. less frequentC. not unheard ofD. just usual22. A remote-controlled bomb exploded outside a hotel near the town square yesterday, _ at least 12 people.A. having been injuredB. having injuredC. injuredD. injuring23. When energy is converted from one form to another, some energy is always lost as heat. _, no energy is over 100% efficient.A. In other termsB. In other wordsC. In another wayD. In some way24. While freshmen are considered part of the academic elite, some of them appear to lack common sense _ following traffic regulations.A. coming toB. when coming toC when it comes toD. when they come to25. A man who is good enough to shed his blood for his country is good enough _ a good deal afterwards.A. being given B. been givenC. givenD. to be given26. NASAs Mars program was set back when two spacecraft failed up reaching Mars, one _ up in the planets atmosphere and the other _ after a software failure.A. burned; disappearedB. burned; disappearingC. burning; disappearingD. burning; disappeared27. After a very busy schedule in the past two months, Kenneth plans to take things _ for a while.A. at easeB. easilyC. easyD. with ease28. I just wonder if _ ever _ that you could have your own enterprise and run it yourself when you were still a student.A. it occurredB. you occurred to itC. it occurred to youD. you occurred29. Bicycle riders want the city government to set aside special lanes for bicycles on some of the main streets, but though they have got some supporters, _ likes the idea.A. everyoneB. not everyoneC. no oneD. someone30. It can be said without exaggeration that no part of the United States is not easily accessible by car, by train, or by air, and _ by all of the thre