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问题 单项选择题

某容器的压力为2.5MPa，为了测量它，最好选用量程为（）的工业压力表。

A.0～2.5MPa

B.0～6MPa

C.0～10MPa

D.0～4MPa

答案

参考答案：D

问答题
看图回答问题。
1.
When do you have supper?
_______________________________________
2. Do you have supper with your family?
_______________________________________
3.
 What are these?
_______________________________________
4.
 Are they new or old?
_______________________________________
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选择题

—What was Kelly Chan’s concert?

—It __________ everyone present.It’s a pity you’ve missed it.

A．represented

B．satisfied

C．shocked

D．delighted
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