下述哪一项不属于氯丙嗪的药理作用:
A.阻断α受体
B.激动多巴胺受体
C.镇吐作用
D.使体温调节失灵
E.抗精神病作用
参考答案:B
—Have you ever been to Washington?
---Yes, ____shall I forget ___ it for the first time.
A.however; visiting
B.never;visiting
C.never;to visit
D.forever; to have visited
多人同时通过门禁时,必须按规定分别验证和输入个人密码。