在有理数-3，-（-3），|-3|，-32，（-3）2，（-3）3，-33中，负_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题选择题

在有理数-3，-（-3），|-3|，-3²，（-3）²，（-3）³，-3³中，负数的个数是（　　）

A．3

B．4

C．5

D．6

答案

-（-3）=3，|-3|=3，-3²=-9，（-3）²=9，（-3）³=-27，-3³=-27，

故负数有：-3，-3²，（-3）³，-3³共有4个．

故选B．

填空题

你会做水果奶昔吗？请根据表格中提示的信息，做一个美味的水果奶昔。

Make fried a fruit milk shake
Ingredients	Amount
apple juice	half a cup
banana	one
strawberry	two
yogurt or ice cream	two

Do you know how to make a fruit milk shake? If you don't know, let me tell you. First, you have to
peel a __1__ and cut it up. Next, cut the __2__ into pieces. Then you have to put the __3__, __4__
and half a __5__ of apple juice into the blender. The __6__ on the blender for about five minutes. Finally,
you can pour the mixture (泥合物) into the glass and enjoy it. You can put a __7__ of ice cream or
__8__ into the blender after you put apple juice into it．

判断题

只要异构化催化剂表面上有积碳，乙苯转化率就会大幅下降。（）