皮皮学，免费搜题
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【简答题】
句子配对。 ( ) 1. Would you mind not wearing those old jeans? ( ) 2. Would you mind not playing football here? ( ) 3. Would you mind moving your car? ( ) 4. Would you mind getting up? ( ) 5. Would you mind showing us your photo? A. No, not at all. B. OK, I'll get up now. C. OK, I'll put on another pair. D. We'll go and play in our school. E. I'm sorry. It's not here.
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皮皮学刷刷变学霸
举一反三
【简答题】已知生产函数为Q=min(L，2K)， (1)如果产量Q=20单位，则L与K分别为多少? (2)如果价格为(1，1)，则生产10单位产量的最小成本是多少?
【单选题】—Jimmy lost his key yesterday． —_________? It－s his third time in just one month．A．
A.
23． —Jimmy lost his key yesterday． —_________? It-s his third time in just one month． A． Has he
B.
Did he
C.
Was he
D.
Does he
【单选题】One – fourth of an hour is ______.
A.
25. minutes
B.
15 minute
C.
30 minutes
D.
a quarter