题目内容

岩层的褶皱构造中,岩层向下拱起的弯曲称为背斜褶曲;岩层向下凹的弯曲为向斜褶曲。( )

A. 对
B. 错

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同一运输方式,不同运输工具的联结,不可以视做多式运输。 ( )

A. 对
B. 错

Where did this conversation take place

A. On the street.
B. In a hospital.
C. At school.

Where did this conversation take place

A. The flu.
B. A headache.
C. a fever.

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