题目内容
With the popular low-carbon lifestyle, energy saving occurs more frequently in everyday life. Here are a number of easy suggestions you can follow to keep cool without an air conditioner. Most don’t need electricity as well.
1. Wet your wrists and other pulse points with cold water. Use a piece of ice wrapped in a face cloth. Constantly cooling off the wrists will also cool off the body. Never use just ice; make sure it is wrapped in a towel or something similar. Studies show that this will reduce your core body temperature by as much as 3.5℃. T
he relief is almost immediate, and will last for up to one hour!
2. Drink lots of cold drinks. Water is the best but cool liquid of any type that will help to cool you down. The electrolytes(电解质)help to make sure you don’t lost vital minerals through sweating. Adding ice will also help cool you off. Ice does not actually help you cool off if it is in the water you will drink. Cool water does help, and the colder the water is, the more energy our body spends in making it body temperature so that your body can use it.
3. Keep still and quiet. This is not a good time for exercising, sports or running around . Keep these activities for the evening when the air becomes cooler and the sun goes down.
4. Place wet towels on the back of your neck and also the top of one’s head. Athletic team doctors have used this for years!
5. Use perspiration to cool the body down. If you don’t follow Number3, then water vapor produced by sweating actually take heat away form your body if it is exposed to air and allowed to evaporate. The best thing to do is to put your sweaty self in the path of a cool breeze of fan
6. Stay in the shade. Read a good book, sit still or take a nap.
7. Open the windows to let in a breeze. Use screens to keep out insects if they are a problem.
8. Go swimming. If you can, select a shady body of water.
46. The author suggests adding ice into the drinks because_______________.
A. ice can actually help people cool off
B. icy drinks contain more vital minerals
C. icy drinks cost more body energy
D. people love cold drinks in hot weather
47. Which of the following suggestions is NOT given to people who want to cool off?
A. Keep still and quiet and quit exercising completely.
B Expose your sweaty body to moving air after exercise.
C. Stay in a shady place with enough fresh air.
D. Put wet towels on the back of your neck to cool you down.
48. What does the underlined word “perspiration” in Para.6 mean？
A. Exercising. B. Drinking. C. Sleeping. D. Sweating
49. It can be inferred that the author encourages the readers to ________________.
A. spend the summer inside the house B. relieve pain with a piece of ice
C. use less electricity to save energy D. avoid being exposed to the wind
50. Which is the best title of the passage?
A. Icy Water Can Help You Keep Cool
B. Keep Cool without an Air conditioner
C. Suggestions to People in Summer
D. What Can We Do in the Hot summer
CADCB
