Social attention should be paid our earth from . A． to preven
题型：不详难度：来源：
Social attention should be paid our earth from . | A． to prevent; being polluted | B． to preventing; polluted | | C． to prevent; polluting | D． to preventing; being polluted |
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答案
| D |
解析
| 考查固定结构以及被动语态。Pay attention to sth/doing sth注意…；第一空是被动语态；prevent sb (from) sth/doing sth阻止某人做某事；本题也是被动语态。句意：我们应该特别注意要阻止我们的地球被污染。 |
举一反三
When and where to build the new factory ___ ________ yet.| A．is not decided | B．are not decided | | C．has not decided | D．have not decided |
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According to the statistics, although more books ________ in recent years, Chinese people spend ________ time in reading.| A．have been come out; little | B．have come out; less | | C．have come out; little | D．have been come out; less |
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—I haven’t finished my essay because the computer broke down when I was downloading the required data last night.
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By the time the fire-engine arrived, the fire by the inhabitants. | A．put out | B．had been put out | | C．was put out | D．had put out |
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