问题 多项选择题

老年人危重疾病的发展和转归不同于非老年人,其重要基础是肾上腺激素的分泌规律发生改变,下列叙述正确的是()

A.肾上腺皮质束状带对ACTH的反应性下降

B.皮质醇的分泌速率和排泄率均减少

C.血浆皮质醇水平在非应激状况下与非老年人相同

D.肾上腺髓质分泌的肾上腺素等儿茶酚胺类物质随增龄其血浓度降低

E.老年人对用胰岛素诱发低血糖刺激的肾上腺分泌儿茶酚胺,呈现明显的反应延迟或反应缺失

答案

参考答案:A, B, C, E

阅读理解

There are many international organizations which work to save and protect endangered species(物种) and natural environment. If you would like more information about any of the organizations listed below, you can write to the addresses given.

Friends of the Earth

Friends of the Earth (FOE) campaigns on a range of problems including rainforests, the countryside, water and air pollution and energy.

Friends of the Earth International Secretariat P.O. Box 19199

1000 G. D.

Amsterdam

The Netherlands

Greenpeace

Greenpeace uses peaceful but direct action to defend the environment. It campaigns to protect rainforests and sea animals, stop global warming and end pollution of air, land and seas. It also opposes nuclear(核) power.

Greenpeace International

Keizergracht 176

1016 DW Amsterdam

The Netherlands

BirdLife

INTERNATIONAL

BirdLife International is an organization which works to save endangered birds all over the world.

BirdLife International

Wellbrook Court

Girton Road

Cambridge CB3 ONA

England

WWF

WWF-World Wide Fund For Nature is the world’s largest private international organization for the protection of nature and endangered species.

Information Officer

WWF International

Avenue du Mont-Blanc

1196 Gland

Switzerland

小题1:If you want to learn more about the organizations, you can           .

A.call them

B.write them a letter

C.visit them

D.send them an e-mail小题2:Which problem will be paid close attention to by FOE?

A.Overhunting ocean animals

B.Killing endangered birds

C.Heavy air pollution

D.Global warming小题3:If you are against nuclear power, you can join         .

A.Friends of the Earth

B.World Wide Fund For Nature

C.Greenpeace

D.BirdLife International小题4:What can we learn about WWF?

A.It helps to protect nature and save endangered animals

B.It is the world’s largest international organization

C.It works for private companies and rich people

D.It is a private organization in the United States小题5: Which is the best title for the passage?

A.Environmental protection organizations

B.Global traffic problems

C.Endangered animals

D.Natural beauty

单项选择题