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英语
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She is ___ newcomer to ____ chemistry but she has already made some important discoveries.
A.a; / B.a ; the
选哪个,怎么分析的?中文是怎么样的?
人气：336 ℃ 时间：2020-03-08 17:58:11
解答
A,她在化学领域还是个信任,但是她却有很多重要发现.学科名词前不用定冠词
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