属于反射性呕吐的疾病有
A.脑出血
B.青光眼
C.神经性厌食
D.癫癎
E.高血压脑病
参考答案:B
完成句子。
1. There is ______ (毫无疑问) he will come on time this afternoon.
2. You are ______ (有危险) putting on your weight.
3. ______ (说实在的), I didn't mean to hurt him.
4. The twin brothers a lot ______ (有共同之处), and get on very well.
5. I like ______ (戏弄) others but don't like to be laughed at.
管道线路的日常维护工作的内容是什么?