第3题: [填空题]Then she went back to a _____ a series of lectures which she prepared over here. 参考答案:deliver 答案解析:解析：
Then she went back to（重新回到） a deliver（发表） a series（系列） of lectures（演讲） which she prepared（准备） o
A. its problem in washington has already been solved. B. Its problem requires a national solution. C. It mainly concerns the local governments. D. It can be reformed quickly and easily. 参考答案:B 答案解析:此题问关于医疗保障我们从文章中了解到的信息。根据第六段第二句“Medical liability is not only a local problem，but a national issue th
第31题: [单项选择]留取脑脊液进行细胞学分析时，一般取（） A. 第一管 B. 第二管 C. 第三管 D. 第一管、第三管混合 E. 哪管都行 参考答案:C
