Do you think necessary to do a bird count ? Yes , we must count them at least once a year A． it B． that C． we D． they 题目和参考答案——青夏教育精英家教网—

题目内容

Do you think necessary to do a bird count ?

Yes , we must count them at least once a year

A． it

B． that

C． we

D． they

【答案】

【解析】

试题分析：it是人称代词，代替前面提到的物，而it还有一个特殊的用法就是充当形式主语或宾语，真正的宾语或主语是动词不定式，这个知识点是考试的重点。此句的含义是你认为数鸟必要吗？其中to do a bird count是真正的宾语，形式宾语是it，故选A。

考点：it的特殊用法。

点评：此题需要提醒学生的是，此句是简单句，不能把它当做复合句来对待，这是很多同学犯的错误。因为think的后面是短语而不是句子。若在it的后面加上系动词be这个结构就是复合句。

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