A. He should have made an appointment. B. He should have called to cancel his appointment. C. He should have come for his appointment. D. He should have stayed at home until he was well. 参考答案:B 答案解析:[试题分析] 本题考查的是细节。 [详细解答] 先看题支，再有针对性的认真听。依据会话中出现的“but it is common courtesy to call”可以做出选择。
第22题: [单项选择]风寒头痛，宜选用的方剂是（） A. 川芎茶调散 B. 桑菊饮 C. 天麻钩藤饮 D. 通窍活血汤 E. 天王补心丹 参考答案:A 答案解析:考查头痛的辨证论治。肝阳上亢头痛，应平肝潜阳，用天麻钩藤饮治疗。瘀血阻络头痛，应祛瘀通络，用通窍活血汤治疗。风寒头痛，应祛风散寒，用川芎茶调散治疗。风热头痛，应疏风清热，用桑菊饮治疗。
