题目内容

The B/L is normally made out in two sets.()

A. 对
B. 错

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A liner is a vessel with regular sailing or arrivals on a stated schedule between specified ports.()

A. 对
B. 错

Partialshipment means shipping the commodity under one contract in more than one lot.( )

A. 对
B. 错

下列化合物中氢原子最易离解的为 ( )

A. 乙烯
B. 乙烷
C. 乙炔
D. 都不是

在sp3, sp2, sp杂化轨道中p轨道成分最多的是（）杂化轨道( )

A. sp3
B. sp2
C. sp
D. 一样多