喂养管堵塞的最常见原因()
A.营养液滴注速度过慢
B.营养液过于黏稠
C.护士操作不当
D.营养液渗透压过高
参考答案:B
—We lost (输了) it. Do you feel ________?
—Yes. But we will win (将会赢) next time.[ ]
A. happy
B. fine
C. sad
D. cold
泡沫灭火剂不能用于带电灭火。