尿频阴虚内热证的治法是()
A.甘温除热
B.益气养阴
C.滋阴清热
D.清热解毒
E.清热利湿
参考答案:C
解析:尿频阴虚内热证的治法应选滋阴清热。
水体的自净是指()
A.水体污染物的总量逐渐降低
B.水体污染物的浓度逐渐降低,水质好于污染前的水平
C.水体污染物的浓度降低,水质逐渐恢复到污染前的水平
D.水体中的污染物浓度无明显改变,但水体可以使用
E.水体中的污染物总量没改变,浓度也没增加
If your vessel is equipped with inflatable liferafts,how should they be maintained?()
A.Have your crew check them annually
B.They do not need any maintenance
C.Have them sent ashore to an approved maintenance facility annually
D.Have them serviced by the shipyard annually