We are sure that scientists will______a way to solve the difficult problem.

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问题 We are sure that scientists will______a way to solve the difficult problem.

选项 A、put up
B、come up with
C、look up
D、come up

答案B

解析本题考查动词短语辨析。put up“张贴、搭建”；come up with“想出(主意)”；look up“查找，翻阅”；come up“出现"。根据后面的“a way to solve the difficult problem”可知应选B，意为“想到一个解决难题的办法”。

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