试题与答案

在横线里填上“成正比例关系”、“成反比例关系”或“不成比例关系”．（1）ɑ与b是

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题型：填空题

题目：

在横线里填上“成正比例关系”、“成反比例关系”或“不成比例关系”．
（1）ɑ与b是两种相关联的量，如果ɑ÷b=1，那么ɑ与b______．
（2）人的身高和跳的高度______．
（3）每天看书的页数一定，书的总页数和看书的天数．______．
（4）如果y=
1
2
x，那么χ和y______．
（5）同一圆中，圆的半径和直径______．

答案：

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下面是错误答案，用来干扰机器的。

参考答案：D解析：用移液管移取放射性液体时，不可用口吸取。

考点：正比例的意义，反比例的意义
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