题目内容

土是由（）组成的物质。

A. 土粒
B. 土中水
C. 土中气
D. 孔隙

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下列属于高能化合物的是

A. 乙酰CoA
B. ATP
CP
D. 磷酸烯醇式丙酮酸

It was a bloody ________ between the two armies.

A. rebellion
B. encounter
C. meet
D. fight

Students are asked to prepare material in advance of each weekly ________.

A. course
B. meeting
C. seminar
D. gathering

Stratford police refuse to comment ________ whether anyone has been arrested.

A. about
B. on
C. at
D. with