题目内容

The new hotel has erected a beautiful building with recreation area and conference facilities on the top floor______the finest view of the city can be obtained.

A. in which
B. over which
C. where
D. there

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叶面积指数与群体光和作用间的关系下列描述正确的是。
A叶面积指数(LAI)越大,群体光合作用(PGC)也越强
B二者没有任何关系
C叶面积指数(LAI)越大,群体光合作用(PGC)也越弱

红外阻隔膜保温性能好,最低达到3~8℃。()

【C4】

A. requested
B. supposed
C. insisted
D. expected

唐兴隋灭,改涿郡为_____,治所在_____。

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