第11题: [单项选择]苍耳子主治() A. 风寒湿痹,风湿疹痒 B. 风寒湿痹,经寒血滞 C. 风寒湿痹,寒湿带下 D. 风寒表证,阳虚外感 E. 风湿痹痛,风湿疹痒 参考答案:E 答案解析:本题考查药物的主治病证。防风主治:①风寒,风热表证,表证夹湿;②风寒湿痹,风湿疹痒;③破伤风,小儿惊风。白芷主治:①外感风寒或表证夹湿兼头痛鼻塞者;②阳明头痛,眉棱骨痛,鼻渊头痛,牙痛;③风寒湿痹,寒
第20题: [填空题]A man jogs at 6 mph over a certain distance and walks hack over the same route at 4 mph.
What is his average speed for the journey 参考答案:4.8mph 答案解析:(mph英里/小时。设单程距离为x,平均速度=总距离/总时间=2x/(x/6+x/4)=4.8。)