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问题 单项选择题

吹、注塑设备常用的润滑脂不包括（）

A、真空脂

B、2#锂基脂

C、3#锂基脂

D、3#钙基脂

答案

参考答案：A

选择题

The drunk driver is _____ for the traffic jam _____ yesterday.[      ]

A. to blame; occurred            

B. to blame; occurring

C. to be blamed; occurred    

D. to be blamed; occurring
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单项选择题

What is the most appropriate term when the seller must pay the cost and freight necessary to bring the goods to the named port of destination by a roll-on/roll-off vessel（）

A．FOB

B．FCA

C．CIF

D．CPT
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