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        1. 【題目】This Physics problem is so difficult that I ______ if someone can work it out.

          A.believeB.doubtC.guessD.admire

          【答案】B

          【解析】

          句意:這道物理題太難了,我懷疑是否有人能解出來。

          考查動詞辨析。believe相信;doubt懷疑;guess猜;admire欽佩,根據(jù)所給空后面的if someone can work it out可知,應(yīng)該是懷疑,故選B

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