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问题 单项选择题

下列对交通组织中车行系统的描述错误的是( )。

A．避免过境或外部车导入
B．注意不要与人行系统交叉重叠
C．在集中人流活动地，应减少车流行驶
D．非机动车宜有专线

答案

参考答案：C

选择题

下列说法不正确的是（　　）

A．遗精是一种正常现象

B．女同学在经期应该避免运动

C．青春期男、女同学的性器官都会迅速发育

D．青春期是一生中身体发育和智力发展的黄金时期，我们要好好把握
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单项选择题

A bond is needed when the bill of lading cannot be availed of the time of entry of the im- ported commodities. What does the sentence mean.（）

A. A bond is needed when the bill of lading is unavailable when the goods arrive at the destination.

B. A bond is needed when the bill of lading arrives at the port of destination.

C. A bond is not needed when the goods arrive at the destination.

D. A bond is needed when the goods arrive at the destination if there is no bill of lading at all.
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