混床再生液(碱度)为什么要加热?
参考答案:
增加树脂活性,再生还原反应充分,效果明显,再生液35ºC左右最佳。
问答配对
小题1:How old is John? A Yes, please.
小题2:Where is the school? B Yes, I’m sorry.
小题3:What is the last day of the week? C He is from America.
小题4:What does your father do? D He is a policeman.
小题5:What do you want to be? E It’s on Park street .
小题6:Is your mother a teacher? F Saturday.
小题7:How’s it going? G Not bad.
小题8:Where is Mr. brown from? H Yes, she is.
小题9:Can I help you? I A doctor.
小题10:Are you late for school today? J He is ten years old.
属于早产儿的是()
A.胎龄满24周的新生儿
B.胎龄满27周的新生儿
C.胎龄满28周的新生儿
D.胎龄满37周的新生儿
E.胎龄满38周的新生儿