【題目】As we all know, wood floats ______ you put it into water.

A.ifB.orC.butD.and

【答案】A

【解析】

句意:我們知道,如果我們把木頭放入水中,木頭就會(huì)浮起來。

A. if是從屬連詞,意思是如果;是否;B. or或者;C. but但是;D. and和;與。根據(jù)As we all know, wood floats ______ you put it into water. 我們知道,_______ 我們把木頭放入水中,木頭就會(huì)浮起來?芍瑧(yīng)該選擇if如果;符合語境。故選A。

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