| A lot of research and studies have shown that Trench oil, taken out from kitchen waste, ______ the increase of cancers. |
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| A. results from B.  attends to C. contributes to D. devotes to |
| After retiring from her job. she has decided to _____ a language school _______ poor Migrant workers' children. |
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| A. set out; targeted B. set about; targeted C. set off; targeted D. set up; targeting |
| — I've just heard about that the lecture given by Guo Feng. a young doctor . was cancelled . — Oh. no! _______. |
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| A. It's wonderful B. It do  esn' t matter C. I have no idea D. I was looking forward to that |
| — Can I pay the bill by check? — Sorry. sir. But it is the management rules of our hotel that payment _____ be made  in cash. |
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| A. can B. will C. shall D. may |
| Many residents______ their bikes year around, _____ rain and snow thought the winter in a city. |
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| A. take in; braving B. take up; brave C. take to; braving D. take down; to brave |
The experiment shows that proper amounts of exercise.  if ____ regularly. can improve our health. |
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| A. being carried out B. carried out C. carrying out D. to carry out |
| How did your brother make such a stupid mistake ______ he had a such a good knowledge of the steps and cautions over operating the machine. |
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| A. when B. because C. while D. that |
Recently in China, the brain drain has been ______. That is to say, t here has been a _______ of theprocess across China. |
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A. refuse. refusal  B. change; change C.  arrive; arrival D. reversed; reversal |
He submitted himself to a search by the guard. Which of the following sentences has the same meaning as the given one? |
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A. He submi tted himself to being searched by the guards.B . He submitted himself to be searched by the guards. C . He is submitted himself to being searched by the guards. D. He is submitted to being searched by the guards. |
| — How do you like our city? — It has changed beyond all _____ in the past 20 years, a completely new one in front of me. |
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| A . realization B  . description C. expression D. recognition |
| He kept silent over the matter because he had no intention to risk ______ in it. |
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| A . to involve B. being involved C . to be involved D. involving |
| Considering the recent dangerous situation , safety locks are required to be equipped to prevent houses from being ________. |
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| A . broken in B. broken into C. broken up D. broken off |
| This group ______ nearly 18 percent of the state's population, are living in a remote area, which few people know about. |
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| A . accounting for B. accounted for C . be accounted for D. being accounted for |
| — I happened to notice Bob's father quarrelling with the teacher in defense of his son. — No wonder Bob always performs poorly in class. It's really "_______". |
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| A . Love me , love my dog B . Like father, like son C. Birds of a feather flock together D . A busy mother makes a lazy daughter |