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【判断题】
V带传动设计时,一般应使小带轮的α≥120°。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】I was worried about my driving test, hut I passed it.()
A.
Don't worry about it.
B.
Good luck to you.
C.
Congratulations!That's not easy.
【单选题】I was worried about this out—dated equipment.()
A.
You’ re so lucky.
B.
It’s too id.
C.
Yeah, it may bring a health hazard.
【单选题】As I was worried about the safety of my son in the heavy storm, my attention began to _______ off my work.
A.
wonder
B.
wander
C.
separate
D.
divide
【简答题】One day I told Mr Wang,our math teacher,was ill. 61.________ I was worried about him and went to see him after the school. ...
【单选题】-- I was worried about my driving test, but I passed it.-- ().
A.
Don’t worry about it.
B.
Good luck to you.
C.
Congratulations! That’s not easy.
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