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【简答题】
在摆动机构中,摆角ψ=3 0°,其行程速度变化系数K的值为
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【单选题】___________you try to do something beyond what you have already mastered, you will never grow.
A.
Since
B.
When
C.
Though
D.
Unless
【简答题】Passage Since the green industry grows rapidly, it has been attracting increasing job applicants, even those who have never worked in it. But how do you___ (1)___ compete with the few that have been i...
【单选题】听力原文：M: I guess you must be able to speak several dialects since you have visited so many places these years. W: I wish I could, but Cantonese and Hokkien are the only dialects I've ever learned to sp...
A.
She can speak many dialects except for Cantonese and Hokkien.
B.
She has never learned Cantonese or Hokkien.
C.
She can speak neither Cantonese nor Hokkien.
D.
She can speak either Cantonese or Hokkien.
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