题目内容
Before going camping, we must discuss every thing-where to go, what to bring, when to start .
A. such as B. for instance C. and so on D. take examples
C
解析:
略
Not being able to fall asleep or stay asleep is not a disorder in itself but a sign of some other problems, often a physical one.
If you have trouble sleeping, the American Sleep Disorders Association suggests that, for a week or two, you put down the time you go to bed, get up, exercise, and drink coffee, tea or wine. The purpose is to find the habits that may affect your sleep.
Then:
a. Don’t drink coffee in the six hours before going to bed.
b. Stop smoking and drinking at bedtime.
c. Don’t sleep during the day.
d. Go to bed at the same time every night. Set your alarm clock for the same time every morning and get up at that time, whether or not you sleep well.
e. Use the bedroom only for sleep. Read, watch TV, eat and talk elsewhere.
f. Take sleeping pills according to your doctor’s directions and don’t take them for longer than three weeks at a time.
g. If you haven’t fallen asleep within 15 minutes of going to bed, don’t turn over worrying about it. Get up and read or watch TV until you are sleepy, then return to bed.
If you continue to have trouble sleeping, ask your doctor for help or go to a sleep-disorders center.
【小题1】 According to the passage, there is probably if you are not able to fall
asleep or stay asleep.
A.a bad way of sleeping | B.a disorder in sleep |
C.a physical reason | D.a problem caused by the brain |
A.ask a doctor for help or go to a sleep-disorders center |
B.put down the time you do things every day |
C.do more physical exercise |
D.find out the cause first |
A.Taking some sleeping pills every day. |
B.Reading books before you go to bed. |
C.Setting your alarm clock at night. |
D.Forming good living habits. |
A.tell us not being able to fall asleep is a serious disease |
B.provide us with some suggestions on sleep problem |
C.persuade us not to go to see the doctors when we are ill |
D.help the American Sleep Disorders Association to find the causes of not being able to fall sleep |
People who are outdoors in cold weather should avoid actions like suddenly lifting a heavy basket full of snow. Even walking through heavy, wet snow can strain a person’s heart.
Many people aren’t conditioned to the physical stress of outdoor activities and don’t know the dangers of being outdoors in cold weather. Those who like winter sports can suffer accidental hypothermia if they don’t make certain preparations.
Hypothermia means the body temperature has fallen below normal. It occurs when your body can’t produce enough energy to keep the internal (内部的) body temperature warm enough. It can kill you. Heart failure causes most deaths in hypothermia.
Children, the elderly and those with heart disease are at special risk. As people age, their ability to keep a normal internal body temperature often decreases. Elderly people can suffer hypothermia without knowing they’re in danger because they can’t notice the cold conditions as quickly as the young.
Besides cold temperatures, high winds, snow and rain can also steal body heat. Wind is especially dangerous because it removes the layer of heated air from around your body. At 30 degrees Fahrenheit in a 20-mile-per-hour wind, the cooling effect is equal to calm air at four degrees. Similarly dampness (湿气) causes the body to lose heat faster than it would at the same temperature in drier conditions.
To keep warm, wear more clothes. This traps air between layers. Also, wear a hat or head scarf. Much of your body’s heat can be lost through your head. Keep your hands and feet warm, too, as they tend to lose heat rapidly.
Don’t drink alcohol before going outdoors or when outside. Alcohol makes you feel warm at first because blood vessels in the skin expand. But heat is then drawn away from the body’s important organs.
【小题1】The underlined word “strain” in Paragraph 1 means ________.
A.injure | B.warm | C.control | D.burn |
A.It means the body temperature falls rapidly. | B.Most heart attacks are caused by it. |
C.It is not as scary as people think. | D.It can threaten a person’s life. |
A.they like exercising outside in cold mornings |
B.they can’t notice cold conditions if they are not told |
C.their body temperature is generally lower than young people’s |
D.their ability to keep a normal internal body temperature is not so good |
A.What causes the body to lose heat faster. | B.The advantages of drier conditions. |
C.What else can steal body heat. | D.Dangers of high winds. |
A.Feeling warm at first | B.The body’s heat is taken away |
C.Blood vessels in the skin expand | D.The risk of hypothermia is reduced |
Will it matter if you don't take your breakfast? Recently a test was given in the United States. Those tested included people of different ages, from 12 to 83. During the experiment, these people were given all kinds of breakfasts, and sometimes they got no breakfast at all. Special tests were set up to see how well their bodies worked when they had eaten a certain kind of breakfast. The results show that if a person eats a proper breakfast, he or she will work with better effect than if he or she has no breakfast. This fact appears to be especially true if a person works with his brains. If a student eats fruit, eggs, bread and milk before going to school, he will learn more quickly and listen with more attention to class.
Opposite(相反的) to what many people believe, if you don't eat breakfast, you will not lose weight. This is because people become so hungry at noon that they eat too much for lunch, and end up gaining weight instead of losing. You will probably lose more weight if you reduce your lunch and super!
【小题1】During the test, those who were tested were given ________.
A.no breakfast at all | B.very rich breakfasts |
C.little food for breakfast | D.different breakfast or none |
A.breakfast has great effect on work and studies |
B.breakfast has little to do with a person’s work |
C.a person will work better if he has a simple breakfast |
D.those working with brains should have much for breakfast |
A.lose weight | B.not lose weight |
C.be healthier | D.gain a lot of weight |
A.Poor breakfasts affect those who work with brains. |
B.Morning diet may cause one person to get fatter. |
C.Reducing lunch and supper is of less help in weight losing. |
D.Eating less in lunch and supper may help to lose weight. |
A.he will fall ill |
B.he will not listen to his teacher |
C.he will not make progress in his study |
D.his mind will work more slowly |