内容正文:
专项语法练习----动词的时态语态
1. The capital of California ____(change) over time and is now in Sacramento.
2. If you travel to Canada, you____(want) to visit the Banff National Park.
3. Most scientists are now certain that global warming ____(take) place.
4. In Europe, eight of the last ten years ____(see) record high temperatures.
5. These are slowly rising, as the northern and southern polar ice caps start to melt. This ____(have) serious consequences for low-lying countries near the sea.
6. Scientists base their theory on what ____(happen) the last time the world warmed up, 8,300 years ago.
7. The most frequent reason is breaking the speed limit and the second is drunk driving. The third is when a driver ____(fall) asleep.
8. At the time of the boy’s birth, they ____(marry) for a long time.
9. Her husband, who in the old country ____(be) a fairly successful businessman, was now, in New York, wholly dependent on his brother Isaac.
10. When the bus did come, it ____(fill) with talkative high school children.
11. It____(be) around since 1978 — three generations of chefs making cakes and cupcakes.
12. Tell us the museum you plan to attend or which cultural performer or guest speaker you ____(invite).
13. If possible, tell us when the event or museum visit ____(hold).
14. You ____(inform) of the result of your application by 17 February 2017.
15. Deciding what kind of boat on which to travel ____(make) all the difference as accommodations vary greatly from one to the next.
16. Since 2011, manta rays ____(list) as a threatened species worldwide.
17. Although 12 other countries ____(pass) laws to protect rays, Peru's may be the most important one yet.
18. As recently as the 1970s, not all toys sold in the US ____(market) with clear gender distinctions.
19. Researchers hope that one day, toys ____(stop) being broken up by gender and will instead be categorized (分类) by type, like puzzle toys, dolls or children's bikes.
20. Scientists ____(clone) animals for many years.
21. In 1996 history ____(make) when Dolly, the first cloned sheep, was born.
22. Imagine once human cloning was developed, there ____(be) a black market where infertile couples could buy a cloned baby.
23. In the spring of 2016, Page Six reported that media billionaire Barry Diller and fashion designer Diane von Furstenberg ____(clone) their beloved Jack Russell Terrier, Shannon, into two pups (小狗).
24. The sheep was the first mammal ____(clone) using DNA taken from an adult cell.
25. A team of international scientists has published the complete genome (基因组) of the woolly mammoth — a creature which ____(become) extinct thousands of years ago.
26. The first mechanical clock ____(invent) in the early 1300’s.
27. He really ____(care) about the world and its environment and is always looking for ways to inspire people to keep the world healthy.
28. If we could reduce this amount, there ____(be) a huge benefit to our environment.
29. People would see Rob walking around and be curious about what he ____(do).
30. He____(feel) comfortable in familiar places, and he is a picky eater.
31. Since the 1950s when researchers ____(clone) a frog, scientists have cloned dozens of animal species, including mice, cats, sheep, pigs and cows.
32. Cloning an animal ____(require) that researchers remove proteins that are necessary to help cells divide.
33. A few weeks ago, an Alabama man was stopped by a policeman for eating a cheeseburger while driving, and then ____(fine) under the distracted (分心的) driving law.
34. She ____(teach) me from a really early age the value of growing your own food.
35. When you arrive for your appointment, you ____(take) the written test first and then the road test.
36. He looked for information on the Internet and was inspired by a woman who ____(plant) 30 million trees in Africa.
37. Felix invited journalists to a press conference to announce that 50,000 trees ____(plant) in Germany.
38. When he ____(talk) about other topics he sounds like any other young person.
39. By 1450, these refugees____(arouse) a desire for learning among the people in their adopted lands.
40. Scientists ____(attempt) to extract (提取) cells from a 40,000-year-old horse in hopes of using the sample to clone the extinct species back into existence.
参考答案:
1. The capital of California __has changed__(change) over time and is now in Sacramento.
2. If you travel to Canada, you__will want__(want) to visit the Banff National Park.
3. Most scientists are now certain that global warming __is taking__(take) place.
4. In Europe, eight of the last ten years __have seen__(see) record high temperatures.
5. These are slowly rising, as the northern and southern polar ice caps start to melt. This __will have__(have) serious consequences for low-lying countries near the sea.
6. Scientists base their theory on what __happened__(happen) the last time the world warmed up, 8,300 years ago.
7. The most frequent reason is breaking the speed limit and the second is drunk driving. The third is when a driver __falls__(fall) asleep.
8. At the time of the boy’s birth, they __had been married__(marry) for a long time.
9. Her husband, who in the old country __had been__(be) a fairly successful businessman, was now, in New York, wholly dependent on his brother Isaac.
10. When the bus did come, it __was filled__(fill) with talkative high school children.
11. It__has been__(be) around since 1978 — three generations of chefs making cakes and cupcakes.
12. Tell us the museum you plan to attend or which cultural performer or guest speaker you __will invite__(invite).
13. If possible, tell us when the event or museum visit __will be held__(hold).
14. You __will be informed__(inform) of the result of your application by 17 February 2017.
15. Deciding what kind of boat on which to travel __will make__(make) all the difference as accommodations vary greatly from one to the next.
16. Since 2011, manta rays __have been listed__(list) as a threatened species worldwide.
17. Although 12 other countries __have passed__(pass) laws to protect rays, Peru's may be the most important one yet.
18. As recently as the 1970s, not all toys sold in the US __were marketed__(market) with clear gender distinctions.
19. Researchers hope that one day, toys __will stop__(stop) being broken up by gender and will instead be categorized (分类) by type, like puzzle toys, dolls or children's bikes.
20. Scientists __have cloned / have been cloning__(clone) animals for many years.
21. In 1996 history __was made__(make) when Dolly, the first cloned sheep, was born.
22. Imagine once human cloning was developed, there __would be__(be) a black market where infertile couples could buy a cloned baby.
23. In the spring of 2016, Page Six reported that media billionaire Barry Diller and fashion designer Diane von Furstenberg __had cloned__(clone) their beloved Jack Russell Terrier, Shannon, into two pups (小狗).
24. The sheep was the first mammal __to be cloned__(clone) using DNA taken from an adult cell.
25. A team of international scientists has published the complete genome (基因组) of the woolly mammoth — a creature which __became__(become) extinct thousands of years ago.
26. The first mechanical clock __was invented__(invent) in the early 1300’s.
27. He really __cares__(care) about the world and its environment and is always looking for ways to inspire people to keep the world healthy.
28. If we could reduce this amount, there __would be__(be) a huge benefit to our environment.
29. People would see Rob walking around and be curious about what he __was doing__(do).
30. He__feels__(feel) comfortable in familiar places, and he is a picky eater.
31. Since the 1950s when researchers __cloned__(clone) a frog, scientists have cloned dozens of animal species, including mice, cats, sheep, pigs and cows.
32. Cloning an animal __requires__(require) that researchers remove proteins that are necessary to help cells divide.
33. A few weeks ago, an Alabama man was stopped by a policeman for eating a cheeseburger while driving, and then __was fined__(fine) under the distracted (分心的) driving law.
34. She __taught__(teach) me from a really early age the value of growing your own food.
35. When you arrive for your appointment, you __will take__(take) the written test first and then the road test.
36. He looked for information on the Internet and was inspired by a woman who __had planted__(plant) 30 million trees in Africa.
37. Felix invited journalists to a press conference to announce that 50,000 trees __had been planted__(plant) in Germany.
38. When he __is talking__(talk) about other topics he sounds like any other young person.
39. By 1450, these refugees__had aroused__(arouse) a desire for learning among the people in their adopted lands.
40. Scientists __are attempting__(attempt) to extract (提取) cells from a 40,000-year-old horse in hopes of using the sample to clone the extinct species back into existence.
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