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【简答题】
A．She was a woman. B．She wrote too many letters. C．She couldn't graduate from a medical school. D．She couldn't establish her hospital.
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举一反三
【单选题】This coat is ________ tight. I can’t wear it.
A.
a bit
B.
little
C.
not a bit
D.
a bit of
【简答题】平行轴外啮合斜齿轮传动的正确啮合条件是:
【单选题】平行轴外啮合斜齿圆柱齿轮传动，正确啮合条件为（）。
A.
重合度ε>1
B.
mt1=mt2，ɑt1=αt2
C.
m1=m2，α1=α2
D.
mn1=mn2，αn1=αn2，β1=-β2
【单选题】听力原文：W: I think this coat is in great color. And the price's certainly right. M: How about the weight, though. Remember we're supposed to have a really severe winter this year. Q: What does the man im...
A.
It may not be warm enough.
B.
The woman can wear it all winter.
C.
It will not fit if the woman loses weight.
D.
The woman may have trouble paying for it.
相关题目：
【单选题】平行轴外啮合斜齿圆柱齿轮传动，正确啮合条件为（）。
A.
重合度ε>1
B.
mt1=mt2，ɑt1=αt2
C.
m1=m2，α1=α2
D.
mn1=mn2，αn1=αn2，β1=-β2
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