热疮的外治法最为适宜的是：
A．清热、解毒、消炎
B．干燥、收敛、利湿
C．清热、解毒、干燥、收敛
D．散热、祛湿、干燥
E．清热、收敛
参考答案：C
Not until he left his home ______ to know how important the family was for him.
A．did he begin
B．had he began
C．he began
D．he had began
一般油层采出水中硫化物含量都小于（）mg/L。
A.0.5
B.1.0
C.1.5
D.2.0
Not until he left his home ______ to know how important the family was for him.