第7题: [单项选择]关于杂质叙述正确的是() A. 杂质对人体有害,故越纯越好 B. 一级葡萄糖试剂可供药用 C. 杂质是指药物以外的其他化学物质 D. 杂质来源于生产过程 E. 药物的旋光异构体一般以为不是杂质 参考答案:C
第8题: [单项选择]What can be concluded about Andy A. Winter is his favorite time for sports. B. Sports are quite important for him. C. He should be more enthusiastic. D. He plays better than he used to. 参考答案:B 答案解析:M: I saw Andy yesterday in the golf club.
W: In the summer he plays tennis or golf almost every day