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【单选题】
欲保证一对直齿圆柱齿轮连续传动，其重合度ε应满足的条件是A.
ε=0
B.
1﹥ ε﹥0
C.
ε≧1
D.
以上都不是
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【单选题】It used to be said that English people take their pleasure sadly. No doubt this would still be true if they had any pleasure to take, but the price of alcohol and tobacco in my country has provided su...
A.
make people indulge in pleasures
B.
lead to despondency
C.
pose touchy problems for social reformers
D.
throw a heavy burden on the country’s welfare program
【单选题】While some people take pleasure in playing cards, ___.
A.
a. neither does he
B.
b. they didn’t take pleasure
C.
c. I do too
D.
d. others take pleasure in reading books
【单选题】— Could you take care of our dog while we are away? — _____. [ ]
A.
With pleasure
B.
It's my pleasure
C.
Never mind
D.
That's all right
【单选题】— Could you do me a favour to take a message for Jack? — _______. [ ]
A.
A pleasure
B.
My pleasure
C.
With pleasure
D.
It's a pleasure
【单选题】It used to be said that English people take their pleasure sadly. No doubt this would still be true if they had any pleasure to take, but the price of alcohol and tobacco in my country has provided su...
A.
make people indulge in pleasures
B.
lead to despondency
C.
pose touchy problems for social reformers
D.
throw a heavy burden on the country's welfare program
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