第20题: [单项选择]Conversation TwoA. Find something you are passionate about. B. Learn how to run a business. C. Make a business out of something. D. Learn how to manage and lead people. 参考答案:A 答案解析:[解析] What is the first thing to do if someone wants to open his own business? [详解] 动词原形表建
第21题: [单项选择]如果患者使用氯丙嗪作为首选药物。其常用治疗量为() A. 50~100mg/d B. 100~200mg/d C. 200~300mg/d D. 300~600mg/d E. 600~800mg/d 参考答案:D