题目内容
【题目】These birds are very rare and they are supposed to be protected by law.
A. howeverB. anyhowC. thereforeD. though
【答案】C
【解析】
考查副词辨析。句意:这些鸟非常稀有,因此应该受到法律的保护。A. however然而B. anyhow无论如何C. therefore因此D. though尽管。稀有和保护是因果且递进的关系,且根据句意。故选C.
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