第23题: [单项选择]The new-designed car is on show now. I wonder ______. A. how much it cost B. how much did it cost C. how much it costs D. how much does it cost 参考答案:C 答案解析:[解析] 考查宾语从句。宾语从句用陈述句语序,排除B和D。再根据前句“now”可确定时态应用一般现在时,故选C。
第32题: [单项选择]产后访视率的正确计算方法是() A. 当年接受产后访视的产妇人数/当年活产儿数×100% B. 当年产妇人数/产前孕妇检查人数×100% C. 当年产妇人数/当年出生的新生儿总数×100% D. 当年接受产前检查的孕妇人数/年内产妇人数×100% E. 当年产妇人数/当年接受产前检查的孕妇人数×100% 参考答案:A