题目

Mr. Li makes me ____, because it is bad for my health.             A. don’t smoke    B. not smoke     C. not smoking       D. not to smoke 答案：B    考查短语make sb. not do sth. 让某人不要干某事。make作使役动词，其后跟不带to的不定式。故选B。做焰色反应实验的铂丝应用A. 硫酸洗涤 B. 稀盐酸洗涤C. 水洗涤 D. 醋酸洗涤