关于联合用药
能使具有直接作用的拟肾上腺素药的升压作用增强的是
A．普萘洛尔B．利血平C．甲氧氯普胺D．阿托品E．排钾利尿药
参考答案：B
用所给词的适当形式填空。
1. Can you (help)me with my Chinese? Sure.
2. How many (child)are there in the car? Three.
3. Look ! The girl (dance)under the tree.
4. I (take)part in the sports meeting next week.
5. I'd like a VCD of (China)cartoons.
6. I want (be)a policeman.
7. They (give)a singing concert last Saturday.
8. it's the (one)of July.
9. I have a new book, but he (have)two.
10. This tie is my (father).
启闭机轨道安装时，两平行轨道接头的位置应（）。
A、对齐
B、错开
