4. [2013 •遼寧卷]We are confident that the environment by our further efforts to reduce pollution.
A. had been improved
B. will be improved
C. is improved
D. was improved
4. B 考查動詞的時態(tài)。根據(jù)已知時態(tài)we are confident,可以先排除A、D。再根據(jù)our further efforts可知是將來的事情,所以用將來時。故選B。句意:我們有信心,在我們進一步減少污染的努力,下,環(huán)境將得到改善。
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15. To write his paper, he tried hard to collect ____ large amount of information as he could.
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8. Mr Black is willing to do Mrs Black tells him to do.
A. whichever B. however
C. whatever D. whenever
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根據(jù)括號內(nèi)的提示完成句子
1. 最讓我們失望的是,導(dǎo)游總是讓我們離開我們認為非常有趣的東西。
__________________________ was that the guide was always asking us to leave what we thought very interesting, (what弓|導(dǎo)的主語從句)
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3. It has been known that ________ _ (like) other waste found in the ocean, the plastic does not break down.
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9. It still puzzles the science world why some mammals produce their young by________ (lay) eggs and hatching while others by______ (give) birth to young babies.
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13. The most important thing to keep in mind when dealing with emergency is
to stay calm.
A. /; the B. the; an
C. the; the D. /; an
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