题目内容

According to the passage lunar researchers have focused mostly on ______.

A. the possibility of finding water on the Moon
B. the lunar regolith
C. cataloging various land formations
D. craters and their origins

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A. It involves acting.
B. It has ancient origins.
C. It has a set form.
D. It expresses an inner vision.

A. off, in
B. out, out
C. in, off
D. off, to

A. 量价分离
B. 量价结合
C. 工程造价计价方式
D. 工程量计量方式

A. some
B. any
C. the
D. /