与脑内阿片受体无关的镇痛药是A．哌替啶 B．吗啡 C．美沙酮 D．罗痛定 E．镇痛新

阅读下面广告，根据其内容，选择最佳选项完成下列各题。

Welcome to San Francisco Zoo, Northern California’s largest zoo You’ll enjoy seeing 250 different kinds of animals here Mail Address: San Francisco Zoo, Zoo Road, San Francisco, CA 94132 Phone: Main Office: (415) 753-7080 The Main Office clerk is on duty from 5 a.m. to 9 p.m. (Monday — Friday) Something to Remember: ◎Please Do Not Feed the Animals! Our animals have proper food, and some animals are on strict diets for healthy reasons. It is very important that you shouldn’t feed them with the food or drinks in your hands. You can only feed the animals that are on the Family Farm in the Children’s Zoo. ◎Animals Do Not Like to Be Teased! We ask you not to tease or shout at the animals. And please do not throw food or anything else to them. ◎ No Other Pets Are Allowed! ◎ Photography Is Welcome! Question: Please report problems to zoo officers. They will     help you. Price of Tickets: Adult: $50; Child: $25

小题1:The Main Office clerk is on duty __________.

A．at 5 a.m. on Wednesday	B．at 10 a.m. on Saturday
C．at 8 p.m. on Sunday	D．at 10 p.m. on Friday

小题2:You should pay attention to __________ things if you go to San Francisco Zoo.

A．one

B．two

C．three

D．four

小题3:What does the underlined word “tease” mean in Chinese?

A．忽视

B．殴打

C．戏弄

D．保护

小题4:Which of the following is NOT true according to the passage?

A．San Francisco Zoo is the largest zoo in Northern California.

B．If you want to feed the animals, you can go to the Family Farm.

C．If you meet some troubles or problems, you can tell them to zoo officers.

D．The phone number of the main office in San Francisco Zoo is (415) 763-7080.

小题5:Mr. Green brings his two sons and a daughter to the zoo. He has to pay __________.

A．$50

B．$75

C．$100

D．$125