通过提倡使用避孕套、促进安全性行为来防止HIV的传播属于（）。
A.常规报告
B.一级预防
C.二级预防
D.三级预防
E.Ⅱ肖点监测
参考答案：B
根据首字母或汉语提示补全单词，使句意完整。
1.We usually have lunch in our d_________ (餐厅).
2.Is there a l_____ (图书馆) in your school?
3.Tom is taller than me, he sits b ______ me.
4.--- Where is the ______(体育馆)?
--- It's in front of our school library.
5.--- Are there any science l______ (实验室)in the teaching building?
苦杏仁镇咳、平喘的机理是（）
A.抑制咳嗽中枢
B.作用于外周神经末梢
C.抑制呼吸中枢
D.兴奋咳嗽中枢
E.兴奋呼吸中枢
