【題目】The environment here becomes better and better. ______ birds are coming back.
A.Thousands of
B.Thousand of
C.Thousands
D.Thousand

【答案】A
【解析】考查數(shù)詞的用法。句意：這里的環(huán)境變得越來越好，數(shù)以千計(jì)的鳥都飛回來了。這里thousand前沒有數(shù)詞時(shí)，后用介詞of，thousand用其復(fù)數(shù)形式，表示的是模糊數(shù)字。故選A。

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