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【題目】It was not immediately obvious that water was __________to the development of life.

A. fundamentalB. regular

C. unnecessaryD. beneficial

【答案】A

【解析】

考查形容詞詞義辨析。A. fundamental基本的、根本的；B. regular規(guī)律的；C. unnecessary不必要的；D. beneficial有益的。句意：水是生命發(fā)展的基礎，這一點還不太明顯。根據(jù)“to the development of life”可知此處表示“基本的”，故A項正確。

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