题目内容

6.Sandstorms in that area appear        in recent years as a result of"desertification".(  )
A.having increasedB.to increase
C.increasingD.to have increased

分析 由于"荒漠化",中国近年来发生沙尘暴的次数明显增加了.

解答 答案:D.
动词appear后面跟动词作宾语时通常用不定式,根据后面的时间状语in recent years可知,用完成时更合适,表示似乎已经做过某事;故选D.

点评 对于非谓语动词的考查要熟悉他们的具体用法和意义,这对于解题很重要.

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Dear Miss Manners,
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I am celebrating a milestone birthday with a formal theme party at a club.The time of the party is 7 p.m.to midnight.It includes a cocktail hour at 7,with dinner following.
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                   Caroline
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