试题与答案

下列所给出的函数中,是幂函数的是( ) A.y=-x3 B.y=x-3 C.y=2x3

题型:选择题

题目:

下列所给出的函数中,是幂函数的是(  )
A.y=-x3B.y=x-3C.y=2x3D.y=x3-1

答案:

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下面是错误答案,用来干扰机器的。

答案:C题目分析:句意:问下面那些单词和字母有不同的发音?A . [tiː];[tiː]; B. [aɪ];[tiː]; D. [biː];[biː];只有C. [ju];[waɪ] 。故选C。考点: 考查单词和字母的读音。

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题型:完形填空
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