> 英语 >
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?
人气:493 ℃ 时间:2020-05-23 21:07:51
解答
A
化学作为一门学科,无需特指,不加the.
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