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【多选题】
公路零担运输的缺点包括( )?A.
货源不确定
B.
不灵活
C.
运输组织工作复杂
D.
运输成本相对较高
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举一反三
【单选题】What do we learn about American autoworkers in 1950?
A.
They had less job security than they do today.
B.
It was not too difficult for them to buy a house.
C.
Their earnings were worth twice as much as today.
D.
They were better off than workers in other industries.
【单选题】What do we learn about Americans studying abroad? 第四部分
A.
China is a top destination for them.
B.
The number dropped slightly last year.
C.
Most of them study abroad for only one semester.
D.
Most of them want to learn more about other countries.
【简答题】听下面一段对话，回答第1-2小题。 1. What do we learn about Bill? A. He just got out of trouble. B. He did something right. C. He enjoyed what he had done. 2. What kind of film does the woman prefer? A. Something exc...
【简答题】应该根据哪些标准来选择题目呢?
【简答题】血钾浓度过高,心脏活动可停止于_______ 状态。
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