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【简答题】
教材33页图2-44所示V形块,当工件用长圆柱面定位时,可限制其 个自由度。
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举一反三
【单选题】What can we learn from the text?
A.
Personality decides everything.
B.
Sharing is the foundation of good relationship.
C.
Family members should be fans together.
D.
Interest is the mother of success.
【简答题】P70 Task 5 将听到的单词填入以下空格中。
【单选题】To be the competent citizens of tomorrow, people should_____.
A.
try to lay a solid foundation in computer science
B.
be aware of how the things that they use do what they do
C.
learn to use a computer by acquiring a certain set of skills
D.
understand that programming a computer is more essential than repairing a car
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