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【判断题】
模数有如照相镜头的放大倍数,当齿数一定时,模数愈大,则齿轮的几何尺寸就愈大,当然齿轮的强度也愈大。A.
正确
B.
错误
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【简答题】Ashley Power’s mother bought a computer for her when she was eight. When she was thir, she was surfing the Internet regularly, but she couldn’t find anywhere for agers to meet and talk. And on...
【简答题】The Knave of Hearts was being tried for _______ the Queen had made.
【单选题】When did Jane Austen start to write?
A.
When she was teenager.
B.
When she was less than ten years old.
C.
When she was more than twenty.
D.
Not mentioned.
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