具有凉血止血、散瘀解毒消痈功效的药物是()
A.生地黄、牡丹皮
B.赤芍、紫草
C.金银花、连翘
D.大蓟、小蓟
E.侧柏叶、茜草
参考答案:D
下列哪种软骨不是构成喉的支架软骨()
A.甲状软骨
B.环状软骨
C.会厌软骨
D.杓状软骨
E.气管软骨
All of the following are distress signals under the Rules EXCEPT().
A.a green star signal
B.orange-colored smoke
C.red flares
D.the repeated raising and lowering of outstretched arms