烧伤后早期急救处理错误的是（）
A.尽快脱离热源
B.衣裤袜应剪开取下不可剥落
C.减少沾染
D.镇静止痛
E.常规气管切开
参考答案：E
选出错误的选项并改正。
( ) 1. He is writeing a letter. ________________
A B C
( ) 2. She is cooking carrots in the stove. ________________
( ) 3. Lynn helps her mother washing the dishes. ________________
( ) 4. Can you drying the dishes? ________________
( ) 5. He don't go to school today. ________________
母体膳食能量转换成乳汁能量的效率是
A．60%
B．70%
C．80%
D．90%
E．100%
