《西藏日喀则市2017－2018学年高二英语上学期期中试题》由会员分享，可在线阅读，更多相关《西藏日喀则市2017－2018学年高二英语上学期期中试题（9页珍藏版）》请在金锄头文库上搜索。
1、西藏日喀则市2017-2018学年高二英语上学期期中试题注意事项：1、本试题全部为笔答题，共 8 页，满分 100 分，考试时间 120分钟。2、答卷前将密封线内的项目填写清楚，密封线内禁止答题。3、用钢笔或签字笔直接答在试卷(或答题纸上)。4、本试题为闭卷考试，请考生勿将课本带入考场。一 阅读理解（共15小题，每题2分，满分30分）阅读下列短文，从每题所给的四个选项中选出最佳答案ATravel is exciting and summer is a busy period for holiday travel. Many people will travel great distances
2、in airplanes, cars or other vehicles. Experts say people should know about other health problems that can strike when traveling by air. One of these is a condition called hypoxia (缺氧症). It results from a lack of oxygen to the brain. Experts say the body begins losing oxygen minutes after an airplane
3、 leaves the ground. The air pressure in a plane during flight is lower than at sea level. This makes it more difficult for the body to effectively use the same amount of oxygen as it would on the ground. Fewer oxygen molecules （分子） cross the tissues (组织) in the lungs and reach the bloodstream.The re
4、sult is a five to twenty percent drop in the amount of oxygen in the blood. This reduces the amount of oxygen that reaches the organs of the body. One effect of this lack of oxygen to the brain is a headache. When this happens, the heart attempts to fix the situation by beating harder and faster. Th
5、is can make the traveler feel tired.These signs of hypoxia are not dangerous in a healthy person. But a drop in oxygen level can cause a health emergency in people with heart or lung problems. They might lose consciousness or even suffer a heart attack.Experts say that smoking cigarettes and drinkin
6、g alcoholic liquids also reduce the bodys ability to use oxygen. So they suggest that people not drink alcohol or smoke cigarettes either before or during a flight. They also say persons with heart or lung problems should seek advice from their doctors before flying.1. The author writes the passage
7、mainly to _.A. warn people in airplanes of possible dangersB. offer some advice on avoiding health problemsC. explain the causes and effects of hypoxiaD. advise people not to smoke or drink alcohol2. According to the passage, what leads to hypoxia?A. The brain lacks enough oxygen. B. The air pressur
8、e in a plane is too highC. Our body needs less oxygen during takeoff.D. The bloodstream contains no oxygen molecules.3. The underlined part “fix the situation” means “_”.A. use more oxygen it needs B. increase the air pressureC. reduce the amount of blood D. bump more blood to the brain4. Why should
9、 passengers not smoke or drink before flying?A. They weaken the bodys ability to use oxygen.B. Smoking may pollute the air inside the airplane. C. Drinking alcohol may raise ones blood pressure.D. Drinking is forbidden at the airport. B Everyone needs friends. We all like to feel close to someone. I
10、t is nice to have a friend to talk, laugh and do things with. Surely, there are times when we need to be alone. We dont always want people around. But we would feel lonely if we never had a friend.No two people are the same. Sometimes friends dont get along well, which doesnt mean that they no longe
11、r like each other. Most of the time they will go on being friends. Sometimes friends move away, then we feel very sad. We miss them much, but we can call them and write to them. Maybe we would never see them again, and we can make new friends. It is surprising to find out how much we like new people
12、 when we get to know them. Families sometimes name their children after a close friend. Many places are named after men and women, if they are friendly to people in a town. Some libraries are named this way. So are some schools. We think of these people when we go to these places.Theres more good ne
13、ws for people, if they have friends. These people live longer than those people if they dont have friends. Why? It could be that they are happier. Being happy helps you stay well. Or it could be just knowing that someone cares, if someone cares about you, you take better care of yourself.5. The firs
14、t paragraph tells us _. A. none needs friends B. we always need friends around us C. making friends is the need in peoples life D. we need to be alone6. Which of the following is what the writer doesnt say in the passage? A. People are happy when their friends leave them. B. People may never see the
15、ir friends after their friends move away. C. People having friends can live longer than those who dont. D. People like their friends very much if they get to know them.7. Which of the following is the most probable place people name after friendly people? A. A house. B. A room. C. A library. D. A village.8. If people have friends, they would live longer, because _. A. they feel happier and healthier B. they get a lot of help from their friends C. they take better care of themselves D. both A and C CSome fifty years ago , I was stu
