熟悉下列常用的函数的导数. c,x,x μ ,e x ,a x ,lnx,log α ,sinx,cosx, tanx,cotx,arcsinx,arccosx,arctanx,arccotx.
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【单选题】听力原文:W:I am trying to find out how this dishwasher works.The manual is in French and I can't wait for Bill to translate it for me. M:Don't worry,Mary,I will do the dishes until the machine starts to w...
A.
He will help Mary to cook the dish instead of Bill.
【单选题】Woman: I am trying to find out how this dishwasher works. The manual is in French. I cant wait for Bill to translate it for me. Man: Dont worry, Mary. I can do the dishes before the machine starts to ...