D. to become; for

12. Don’t trust such people _____ praise you to your face but speak ill of you behind your back.

A. who

B. whoever

C. that

D. as

13. A lot of research and studies have shown that Trench oil, taken out from kitchen waste, ______ the increase of cancers.

A. results from

B. attends to

C. contributes to

D. devotes to

14. ---When shall we meet your cousin at the station?

---His plane took off 2 hours ago, and it _________ arrive at 5pm.

A. could

B. should

C. must

D. can

15. __________ the experiment right, I tried again and succeeded.

A. Not having done

B. Having not done

C. Not doing

D. Not done

第二节 完形填空阅读下面短文，从短文后所给各题的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。All children in the United States have to receive an education, but not all children go to school. A number of parents16not to send their children to school. Such children are known17 “home-schoolers”. Some parents prefer teaching their children at home18 they do not believe schools teach the correct religious (宗教的)19 ; others believe they can provide a better educational20 for their children by doing so.21 , results show home-schooled children often do better than 22 on national tests in reading and math. David teaches his three children at home. He 23that his children learn very differently from children in school. Learning starts with the children’s24and questions. For example, when there is snowfall on a winter day, it may25a discussion about climate, snow removal 26 , Alaska, etc. Or a spring evening when the family is out27the stars is a good time to ask questions about the sky. If the Brazilian rain forests are on TV, it28be a perfect time to talk about how rain forests influence the climate, how deserts are29and how the polar ice caps30 ocean levels. Home schooling is often more interesting than31 schools, but critics (批评家) say home-schoolers might be uncomfortable32 with other people in adult life. Critics also say that most parents are not33to teach their children. However, most parents don’t have the time or the34to teach their children at home, so schools will continue to be35most children get their formal education. 16. A. consider B. prefer

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