【題目】In the past decade, geologists have come loser than ever to the age of the earth.

A.calculateB.calculatingC.be calculatingD.have calculated

【答案】B

【解析】

考查非謂語動詞。句意：在過去的十年中，地質(zhì)學(xué)家在計算地球年齡方面比以往任何時候都要失敗。come close to doing sth接近做某事。故選B項。

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