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问题 多项选择题

借记卡的持卡人可通过（）来修改密码。

A.ATM机

B.电话银行

C.柜台

D.通存通兑

答案

参考答案：A, C

补全对话，情景问答
选择方框中的句子完成对话
A. Why not tell your boss(老板) about that?
B. You should go to see a doctor.
C. But I don't want to ask for leave.
D. I don't feel well.
E. You can do your job better when you are in good health.
A: What's wrong with you, Alan?
B:    1    I have a cold.
A: I'm sorry to hear that.    2   
B: But I'm busy and I must finish the report.
A:    3    Then you can give the report to him later.
B: Maybe you're right.    4   
A: Don't say that.    5    You'd better lie down and have a good rest now.
B: OK, I'll ask for leave right away. Thank you very much.
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单项选择题

已知空气的密度ρ为1.205kg/m3，动力黏度（动力黏滞系数）μ为1.83×10-5Pa·s，那么它的运动黏度（运动黏滞系数）ν为（）。

A.2.2×10-5s/m2

B.2.2×10-5m2/s

C.15.2×10-6s／m2

D.15.2×10-6m2/s
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