哌唑嗪选择性阻断_____受体,美多洛尔则选择性阻断_____受体。
参考答案:α1、β1
根据句意,用括号内所给单词的适当形式填空。
小题1: (luck), he didn’t catch the last bus back home. He had to walk.
小题2:The cartoon (it) was not interesting, but it still attracted (吸引)many kids.
小题3:None of my classmates can swim (far) than I can.
小题4:Every time you answer a question (correct), you will get a point.
小题5:Computers were one of the greatest (invent) in the last century.
道德主要通过()
A.都是调节人们行为的规范
B.两者的社会基础不同
C.行为者道德良心引导人们自觉遵守社会的道德规范和准则
D.国家机器的强制性力量来制约人们的社会行为
E.产生和发展的趋势相同