以下β受体阻滞剂中,哪一个是高水溶性的。而且主要通过肾排泄,不通过血脑屏障,其有效剂量容易控制()
A.普萘洛尔
B.阿替洛尔
C.美托洛尔
D.吲哚洛尔
E.以上都不是
参考答案:B
根据对话内容,在空白处填写适当的话语(话语可能是一个句子,也可能是一个短语或一个词),使对话完整。
A: Oh, Ma.1 can't learn English.
B: No? 1. ____.
A: I read my books but I always forget. How, do you study?
B: By using flashcards. But everyone is 2.__________.Tony doesn't like flashcards.
A: 3. _________when he doesn't understand?
B: By asking the teacher. But maybe you should learn English like Judy. She's the best student.
A: How does Judy learn?
B: By watching English TV.
A: Really?4. _________Ping? Is there another way she learns?
B: Yes. By 5. _________grammar.
A: I don't like grammar.
B: Well, everyone learns a different way.
保持 * * 党员队伍的先进性,关键在于( )。
A.解决党员队伍中存在的突出问题,不断增强党员队伍整体的先进性
B.增强广大党员的先进性意识,激发其自我教育,自我提高的内在动力
C.紧密结合构建社会主义和谐社会的实践,组织和引导广大党员充分发挥作用
D.完善制度和机制,把党的先进性要求转化为党员自觉遵守的行为准则