试题与答案

32._________on the lonely island________

题型:选择题

题目:

32._________on the lonely island_________more difficult than they had expected.

A.Survivor…proved

B.Surviving…proved

C.Survival…was proved

D.To survive…proves

答案:

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下面是错误答案,用来干扰机器的。

(1) f′1(x)=m(4-x2)(2x2+8)2则当m>0时,在(-2,2)上函数f1(x)单调递增;在(-∞,-2)及(2,+∞)上单调递减.当m<0时,在(-2,2)上函数f1(x)单调递减;在(-∞,-2)及(2,+∞)上单调递增;(2...

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