问题
单项选择题
毛果芸香碱的作用是
A.直接作用于受体
B.影响递质的储存
C.影响递质的代谢
D.影响递质的释放
E.影响递质的生物合成
答案
参考答案:A
毛果芸香碱的作用是
A.直接作用于受体
B.影响递质的储存
C.影响递质的代谢
D.影响递质的释放
E.影响递质的生物合成
参考答案:A
阅读理解。 | |||||
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1. If you have lost a black wallet, you can call ______ to ask for it. | |||||
A. 3338651 B. 8947659 C. 7026449 D. 9796788 | |||||
2. Mr Green wants to go hiking with his children. They should meet at the Market Square _______. | |||||
A. at 8:00 a.m. on Saturday morning B. at 2 p.m. on October 5th C. at 6:30 a.m. on Monday D. on Sunday morning | |||||
3. Who can join the Singles' Club? | |||||
A. A 23-year-old young man. B. A 28-year-old single man. C. A 50-year-old single lady. D. A 28-year-old married (已婚) woman. | |||||
4. Alice wants to practice writing stories in her summer holiday. She may ______ for more information. | |||||
A. send at e-mail to singleclub@yahoo.com C. call Karen D. call Mr. Jones |