输送流体的机械统称为泵。（）
参考答案：错
用所给词的适当形式填空。
1.I saw that baby crying _________ (sad).
2.She is a little _________ (scare).
3.Her body will be _________ (good) than before.
4.I am _________ (worry) about my grandpa.
5.There are lots of _________ (animal) in the zoo.
沥青表面处治路面的厚度通过计算确定。（）
