多项选择题

通用中等精度要求的配合（一般机械），轴和孔分别应选取。
A、IT6
B、IT7
C、IT8
D、IT9

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Professor Williams： What? Do you mean you are going away? Where are you going?
You: 2.______________ (我要去加拿大学习。）

答案： I'm going to study in Canada.

单项选择题

A.
How to get a good job. B.
How to see things differently. C.
What to wish for in life. D.
What to expect from marriage.