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【单选题】
Anhydrite absorbs water and turns into common gypsum, with a volume expansion of ()
A.
A. 29%
B.
B. 39%
C.
C. 49%
D.
D. 59%
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【多选题】According to the size of fragments, the clastic texture can be further divided into ()
A.
A. psephitic texture
B.
B. sandy texture
C.
C. silty texture
D.
D. pelitic texture
【单选题】When he left school, he ____to go to college and study for a degree, rather than getting a job straight away.()
A.
would rather
B.
selected
C.
opted
D.
elected
【单选题】The attitude of bed includes strike, dip and dip angle. In the field, we usually measure the attitude of beds with a ()
A.
A. magnetic needle compass
B.
B. compass
C.
C. protractor
D.
D. geological hammar
【单选题】The stratigraphic occurrence 205°∠65°represents ()
A.
A. the dip of the stratum
B.
B. the dip angle of the stratum
C.
C. the strike of the stratum
D.
D. nonsense