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易错点 忽视了主语和谓语动词的一致性
【易错题l】The number of foreign students attending Chinese universities _______ rising steadily since1990.
A. is B. are C. has been D. have been
【欣瑞专家解析】考生容易误选D项,原因是把students看作句子的主语了,其实主语是the number,故谓语动词用单数;又因时间状语是since 1990,所以用完成时态。
【答案】C
【易错题2】______of the land in that district _____covered with trees and grass.
A.Two fifth;is B.Two fifth;are C.Two fifths;is D.Two fifths;are
【欣瑞专家解析】考生容易误选D项,原因是没有搞清楚分数和百分数作主语时,谓语动词的单复数怎样决定的问题。分数和百分数作主语时,谓语动词形式 取决于分数和百分数后的名词。分数的分子用基数词,分母用序数词表示。如果分子大于1,序数词用复数形式。该句中的主语land是单数,谓语动词要用is covered。
【答案】C
【易错题3】With more forests being destroyed, huge quantities of good earth ___ each year.
A. is washing away B. is being washed away
C. are washing away D. are being washed away
【欣瑞专家解析】考生容易误选B项,原因是把earth当作单数主语对待了,但是quantities of修饰主语,谓语动词要用复数形式。根据语境,这里要用被动语态。提醒:点这里加小编微信(领取免费资料、获取最新资讯、解决考教师一切疑问!)