问题 单项选择题


以下提供若干组考题,每组考题共用在考题前列出的A、B、C、D、E 5个备选答案。请从中选择一个与问题关系最密切的答案。

氯丙嗪抗精神病作用机制是

A.阻断中枢5-HT受体
B.使突触间隙的NA浓度下降
C.阻断中枢多巴胺D2受体
D.抑制中枢PG合成
E.抑制外周PG合成

答案

参考答案:C

阅读理解

阅读理解。

                              FOUND

Black wallet with some money.

Come to Room 502 in the evening, or call 9796788.

            WANTED IMMEDIATELY

A boy or a girl to deliver newspapers.

Hours: 6:30 a. m. t0 8:00 a. m. Mon. to Sat.

Pay: $10 per day

Call Mr. Jones at 8947659.

               SUMMER JOB

Do you like to talk with people?

Do you like to write stories?

Do you want to work for a magazine?

Then come and work for us as a reporter.

Please call Karen at 5558823.

                HIKING CLUB

Join us for a 10-mile country walk on Saturday, October 5th.

Children and dogs are welcome.

Meet at the Market Square at 2 p.m.

Call Jeff on 3338651 for more information.

                   SINGLES' CLUB

A club for single (单身的)  people looking for new friends.

Ages: 25—40

Activities: parties, swimming, concerts, dances

We meet every Friday at 8:30 p. m.

28 Garden Street    Tel: 7026449

E-mail: singleclub@yahoo. com  

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        

    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 lady.

4. Alice wants to practice writing stories in her summer holidays.  She may _____  for more information.

    A. send an e-mail to singleclub @ yahoo. com

    B. join the Hiking Club

    C. call Karen

    D. call Mr. Jones

单项选择题