以下属于第一代H1受体拮抗剂的是（）。
A.阿司咪唑
B.非索非那定
C.咪唑斯汀
D.氯苯那敏
E.西替利嗪
参考答案：D
It is said that bad living habits as well as dirty surroundings, stuffy rooms and some other
factors _____ the wide spread of H1N1. [ ]
A. result from
B. benefit from
C. devote to
D. contribute to
下述地基中，（）种不属于土岩组合地基。
A.下卧基岩表面坡度为26°的地基
B.有石芽出露的石灰岩地基
C.存在大块孤石的地基
D.压缩层范围内有产状水平的沉积岩分布，且岩层埋深较浅的地基
