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When a new problem _____ in the experime...

When a new problem _____ in the experiment, no one could do with it apart from Mary.

A.arose B.was came up

C.rose D.came up with

 

A 【解析】 考查单词和词组辨析。句意:当实验中出现新问题时,除了玛丽没有人能处理。A. arose出现,引发;B. was came up被提出;C. rose上升;D. came up with提出,想出。动词短语come up“被提出”,was came up是错误的;此处指新问题“出现”。故选A。  
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