Fighting an artificial greenhouse effect seems to be the greatest of environment
题型：不详难度：来源：
Fighting an artificial greenhouse effect seems to be the greatest of environmental challenges, ________？| A．isn"t it | B．does it | | C．doesn"t it | D．is it |
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答案
| C |
解析
| C 考察反义疑问句。当反义疑问句的陈述部分是肯定形式的时候，疑问部分使用否定形式，排除BD，根据陈述部分的seems可知doesn’t it符合题意。故C正确。 |
举一反三
Look！The ground is wet.It must have rained last night，________？| A．hasn’t it | B．didn’t it | | C．mustn’t it | D．hadn’t it |
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It’s the third time that Li Ming has been to Xi’an , _______? | A．isn’t he | B．hasn’t he | C．isn’t it | D．hasn’t it |
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I don’t think The Flowers of War by Zhang Yimou is popular among teenagers, _________?| A．are they | B．isn’t it | C．do I | D．is it |
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— Peter, you feed the gold fish and the two little tortoises, ______?
— I did it in the morning; it’s a routine for me now．| A．didn’t you | B．can you | C．don’t you | D．will you |
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What a foolish child ,_______?| A．isn’t he | B．doesn’t he | C．hasn’t he | D．isn’t it |
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