4. [2013 •辽宁卷]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 考查动词的时态。根据已知时态we are confident,可以先排除A、D。再根据our further efforts可知是将来的事情,所以用将来时。故选B。句意:我们有信心,在我们进一步减少污染的努力,下,环境将得到改善。
题目来源:2015全品语法快练高中英语新课标 > 综合训练(四)
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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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A. whichever B. however
C. whatever D. whenever
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根据括号内的提示完成句子
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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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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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