题目内容
2.Welcome to the Ice Bucket Challenge.The challenge is simple:when ,one either pours a bucket of icy water over his or her head or donates 100to the ALS Association.( )A. | to challenge | B. | challenged | ||
C. | you challenged | D. | having challenged |
分析 欢迎参与冰桶挑战;挑战很简单:当受到挑战时,一个人或者在自己的头上倒一桶冰冷的水或者向ALS协会捐赠100美元.
解答 答案是B.本题考查"连词+分词"的结构."连词+分词"的结构在句中往往做状语,属于分词做状语;分词做状语时分词的选择是看分词和句子主语之间的关系:分词和句子主语之间是主谓关系(主动关系),用现在分词;分词和句子主语之间是动宾关系(被动关系),用过去分词;本题中连词when后的challenge(挑战) 和句子主语one之间是被动关系,所以答案选择B.C 项错在从句主语you与主句主语one不一致,且应该用被动语态.注意:1)"连词+分词"的结构中分词前不能有任何形式的be动词;2)注意区别,"疑问词+to do"在句中起着名词作用,做主语、宾语或表语,而"连词+分词"在句中充当状语.
点评 首先判断选项中的动词在句中是以谓语还是非谓语形式出现,然后根据选项在句中的功能结合非谓语的基本用法做出合理的判断.要关注常见非谓语动词的搭配.
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