像石头、树叶这一类物体，称为_1体；空气是单独的一类，称为_2体。_刷题宝

题干

像石头、树叶这一类物体，称为____体；空气是单独的一类，称为____体。

上一题下一题 0.0难度选择题更新时间:2012-11-14 01:43:48

答案(点此获取答案解析）

固,气

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选择句子补全对话，把序号写在横线上

A. Where are you going?

B. You look so sad.

C. I'm sorry to hear that.

D. Why are you so happy?

E. Have a good time!

It's Friday morning.

Miss White：Hi，Sarah. ____

Sarah：Because my family are going hiking this weekend.

Miss White：Really? That's good. ____

Sarah：We're going to the Great Wall.

Miss White：____

It's Monday morning.

Miss White：Hi，Sarah. How was your weekend? ____

Sarah：My brother had a cold. We didn't go hiking.

Miss White：____

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溶液、胶体和浊液这三种分散系的本质区别是（）

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