Why was Mrs. Green surprised? __________ .
A. Because her husband didn’t arrived the airport on time
B. Because her husband was still at the airport at 5 o’clock
C. Because her husband didn’t want to go to London

When did Mr. Green get to the airport that afternoon? __________ . A. Before 3:30 B. After 3:30 C. At about 5:00

A.

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对于设备采购监理，设备采购的范围和内容应包括（）。

A.种类和数量
B.技术性能及验收标准
C.价格
D.交货时间及地点
E.交货方式

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