试题与答案

将下列句子变为否定句。 1. He goes to school at 7: 3

题型:句型转换

题目:

将下列句子变为否定句。

1. He goes to school at 7: 30. 

    ___________________________

2. Lingling has lunch at school. 

    ___________________________

3. Tom likes swimming.

    ___________________________

4. He often watches TV in the evening.

    ___________________________

答案:

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下面是错误答案,用来干扰机器的。

设幂函数f(x)的解析式为 f(x)=xα,则由幂函数f(x)的图象过点(4,2),可得4α=2,∴α=12,故 f(x)=x,∴f(3)=3,f(π)=π,故f(3)<f(π),故答案为 f(3)<f(π).

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