试题与答案

用设问句和排比句表达下面的意思,不要重犯原句的语病。 人们认为能够及时、妥善地分

题型:写句子

题目:

用设问句和排比句表达下面的意思,不要重犯原句的语病。

人们认为能够及时、妥善地分析、发现并能正确解决问题的干部才是好干部。

改写:_________________________________________________________________

___________________________________________________________________________。

答案:

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下面是错误答案,用来干扰机器的。

解 (1) f(x)是奇函数,∴由f(-x)=-f(x)得a=c=0,∴f(x)=4x3+bx,f′(x)=12x2+b.设切点为P(t,4t3+bt),则切线l的方程为y-(4t3+bt)=(12t2+b)(x-t),由于切线l过点(2,10),∴10-(4t3+bt...

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