干咳少痰,痰粘难吐,咽喉干痛,头痛鼻塞,身热恶风,舌红,苔薄黄,脉小数者,应选用() ["桑菊饮","桑杏汤","泻白散","止嗽散","沙参麦冬汤"]
下列物质中分子量最大的是()。 ["H2<\/sub>SO4<\/sub>","C2<\/sub>H5<\/sub>OH","CH3<\/sub>(CH2<\/sub>)4CH2<\/sub>","HCO3<\/sub>"]
礼貌用语“谢谢”常用的场合不包括()。 ["每逢获得理解、得到帮助","承蒙关照、接受服务","受到礼遇时","受到委屈时"]
清燥救肺汤中所用的养阴药是() ["A.胡麻仁阿胶麦冬生地","B.白芍阿胶麦冬当归","C.胡麻仁阿胶麦冬","D.胡麻仁当归生地","E.生地玄参麦冬白芍"]
《工伤保险条例》规定认定工伤的情形有()。 ["三种情形","四种情形","五种情形","七种情形"]
盐酸的主要生理作用