题目内容
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 $100 to the ALS Association.
A. to challenge B. challenged
C. you challenged D. having challenged
B
【解析】
试题分析:考查省略句的用法。如果主句的主语和从句的主语一致,并且谓语动词是系动词的情况下,从句就可以把主语和系动词都省略。所以全句应该为:When (someone is)challenged。本题意为:欢迎参加冰桶挑战。挑战很简单:一旦一个人参加了挑战,这个人要么就要往他或她的头上泼一桶冰水,要么向肌萎缩侧索硬化症协会捐赠100美元。故这道题应该选B项。
考点:考查省略句的用法。
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