与支托作用无关的是（） A.防止义齿向脱位 B.防止食物嵌塞 C.防止义齿下沉 D.

阅读下面短文，根据短文内容用方框内所给词汇或短语的适当形式填空，使短文意思完整。（温馨提示；一定要注意词语的形式变化！）

The other day, my friends and I talked about the rules we have in school. At our school, we have to wear   小题1:   every day. The   小题2: is that all my classmates think the uniforms are    小题3:  .We think young people should look smart and we would like to wear our own clothes. Our 小题4:    believe that if we did that, we would concentrate more on our clothes than our studies. We disagree. We would小题5:  more comfortable and that is good for studying. If we can’t do that, we should be allowed to design our own uniforms. That would be a good way to keep 小题6: teachers and students happy.

It’s also probably a good idea for parents to  小题7:  teenagers to study in groups during the evening. I know we get noisy sometimes, but we learn a lot   小题8:  each other. We also think that vacations should be小题9:.At present they’re too short. Longer vacations would give us time to do things like volunteering. Last summer I小题10:  an opportunity to volunteer at the local hospital, but I couldn’t  because I had to go back to school. It would be a good experience for me because I want to be a doctor when I’m older.

商业健康保险中的给付型产品以被保险人罹患保险条款中列出的某种疾病为给付条件，获得保险公司一次性定额给付，不发生医疗费用不给付。

对病人自主与医生做主之间关系的正确理解是（）

A.病人自主与医生做主是对立的

B.病人自主与医生做主不是对立的

C.强调病人自主，也充分看到医生做主的存在价值

D.强调医生决定，兼顾病人自主

E.强调病人自主，目的在于减轻医生的责任

制作花束时要学会将花枝作（）状排列。

试分析中国古代经济重心东移南迁的自然和社会原因。