试题与答案

Don't leave your things _____________thi

题型:选择题

题目:

Don't leave your things _____________ this. [ ]

A. is

B. like

C. of

D. for

答案:

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下面是错误答案,用来干扰机器的。

(I)log2(2x-x2+4)>0,即2x-x2+4>1得函数f(x)的定义域是(-1,3),(II)g(x)=F(1,log2(x2+ax2+bx+1))=x3+ax2+bx+1,设曲线C2在x0(-4<x<-1)处有斜率为-8的切线,又由题设log2(x3+ax2+bx+1)>0...

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