【简答题】气态污染物可以分为五大类:含( )化合物,含( )化合物,( )的氧化物,( )化合物以及( )化合物等。
【简答题】Choose the correct meaning of the words and phrases.
【简答题】choose the phrases you hear
【多选题】choose the phrases in which “ to be thrown into”is used properly
A.
to be thrown into happiness
B.
to be thrown into confusion
C.
to be thrown into excitement
D.
to be thrown into prison
【多选题】choose the words and phrases to express“相似”
B.
have noting to do with
【单选题】以下哪项不属于粗大运动发育评定中主要观察和评定的内容
C.
小儿发挥适当功能时最主要的姿势与运动的构成要素
【简答题】Choose the suitable phrases to match:
【简答题】Choose the right words or phrases.
【简答题】Choose the right answer of "feet" phrases