题目内容
10.________ your uncle among the best robot scientists in the United States?( )| A. | Am | B. | Is | C. | Be | D. | Are |
分析 你叔叔在美国是最好的机器人科学家吗?
解答 答案:B 本题是考查谓语动词的一致.A.am 表系动词的现在时态,一般与第一人称I连用,表单数形式;B.is 表系动词的现在时态,一般与第三人称单数连用,表单数形式;C.be 是系动词的原形; D.are 表系动词的现在时态,一般用于第二人称,也可用于第一人称和第三人称的复数情况,表复数形式.
根据题意可知,your uncle你的叔叔是句子的主语,是第三人称单数,故谓语动词应用单数形式,故选B.
点评 本题是考查谓语动词的一致.应审清题意,准确抓住句子的主语,并结合语境,从而选出正确答案.
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