问题 问答题 论述题

如何控制HIV的感染?

答案

参考答案:

(1)开展广泛的宣传教育,普及预防知识,取缔娼妓,防止性传播疾病(STD.流行,抵制吸毒等社会弊端;

(2)建立HIV感染和AIDS的监测网络,控制疾病的流行蔓延;

(3)检测高危险人群,包括供血员、同性恋、静脉注射毒品成瘾者、血友病患者、国外旅游者和外事使馆人员等;

(4)禁止进口血液制品,如凝血因子Ⅷ等;

(5)加强国境检疫、留检等。

阅读理解

阅读理解。

    Hiking is very good for exercise and fun. Many hikers like to hike in countryside, in forest, and in mountains. Just walking for fun is the first kind of hiking. A lot of people like to hike in city parks or just on the sidewalks. 

    A hike can take a few hours or weeks. For most hiking, people just need clothing and shoes that are good for the weather. Beginning hikers should start with walks that they can do in one day. As you get stronger, you can go in overnight hikers. Later you can go on longer that can last for days or weeks.

    For safety(安全) , children should hike with someone. You should always have one or two friends with you. It is also a good idea to carry a map with you.

    Backpacking is one kind of hiking. People carry food, clothing and other things on their backs in a pack. Backpackers can stay many days in places where there is no food to buy. They carry what they need on their backs.

    It seems that backpacking is now popular in the world. Just put on your hiking shoes and take a hike!

1. The first and the easiest kind of hiking is ______.

A. overnight hikes                  

B. walking

C. backpacking                    

D. running and flying

2. Beginning hikers should start with walks just because ______.

A. it can finish in one day

B. hikers are very busy

C. the weather is not so good

D. clothing and shoes are too heavy 

3. Hikers should go on hiking with others because ______.

A. they can talk with each other

B. they can keep safe

C. lots of people do so

D. they have no maps with them 

4. To carry______with you is a very good idea when you go on hiking.

A. a book                        

B. a map

C. a bag                        

D. an umbrella

5. To carry what you need on your backs when you go on hiking is called ________. 

A. single hiking                  

B. double hiking

C. backpacking                  

D. backing 

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