题目内容
4.(83)If the only sports you do are dancing your fingers across your keyboard,you could be in serious danger of more than just becoming fat!Do you feel sleepy,like something is weighing down on your head?Do you feel forgetful?Do you sometimes feel uncomfortable up and down your neck and lower back,and you can't explain why?Do you get sick often?It could be radiation(辐射) from your computer causing it.If you spend three hours or more a day in front of a computer,(and at this point,who doesn't?) you are more easily harmed by these hazards(危害).
(84)We have got so used to using computers that we don't often think of them as dangerous sources(来源) of harmful(有害的) radiation.A safe amount radiation is 25V/m(Volts/meter).Do you want to guess how much our personal computers give off?
★Keyboard:1000V/m★Mouse:450V/m★Monitor:218V/m
★CPU:170V/m★Notebook computers:2,500V/m
Ways to Protect Yourself from Harmful Computer Radiation:
1.Decorate your desk with cactus(仙人掌) plants,they take in radiation.
2.Drink two to three cups of green tea a day and eat an orange daily.The vitamins in tea leaves and oranges protect us from radiation and keep our eyes healthy as well.
3.Use a screen filter(过滤器) for your monitor.
4.Avoid having metal objects nearby on your desk.
5.Put the back of the computer to the wall.Most of the radiation comes off the back.
6.Keep your monitor at least 50cm away from your face.
7.Keep your computer rooms ventilated(空气流通的).
8.Eat healthily-especially fruits and vegetables.
9.Don't fall asleep on your computer.Turn it off if you have to rest nearby.
The ways above are useful,why not have a try at once?
A.根据短文内容简要回答问题.
81.Which is safer,using a desk computer or a notebook computer?Using a desk computer is safer.
82.Which of the nine ways mentions diets?Way 2 and way 8 mention diets.
B.将短文中划线的句子译成汉语.
83.如果做你的唯一运动就是敲击键盘,你可能会处于比变得肥胖更加严重的危险中.
84.我们如此习惯于使用电脑以至于我们很少将他们看做有害辐射的危险来源.
C.请给短文选一个适当的英文标题.
85.Which is the best title of this passage?D
A.Harmful radiation
B.Computer problems
C.Protect yourself from computers
D.Computer radiation:a silent killer.
分析 这篇短文主要介绍了电脑辐射对我们的身体造成了很大的危害.作者就减少电脑辐射给出了许多的建议.如用仙人掌装饰办公桌.每天喝两到三杯绿茶,吃一个橘子等.
解答 答案:81.Using a desk computer is safer.细节理解题.根据第七、八行列举的辐射量★Keyboard:1000 V/m★Mouse:450V/m★Monitor:218 V/m★CPU:170V/m★Notebook computers:2,500 V/m.可知台式更安全.故答案为Using a desk computer is safer.
82.Way 2 and way 8 mention diets.细节理解题.根据句子2.Drink two to three cups of green tea a day and eat an orange daily.The vitamins in tea leaves and oranges protect us from radiation and keep our eyes healthy as well.每天喝两到三杯绿茶,每天吃一个橘子,茶叶和橘子中的维生素能保护我们免受辐射,保持眼睛健康.及 8.Eat healthily-especially fruits and vegetables.健康饮食尤其是水果蔬菜.可知第2条和第8条提到了饮食.故答案为Way 2 and way 8 mention diets.
83.如果你做的唯一运动就是敲击键盘,你可能会处于比变得肥胖更加严重的危险中.考查翻译.根据句子If the only sports you do are dancing your fingers across your keyboard,you could be in serious danger of more than just becoming fat!可知if意为如果,引导条件状语从句.the only sports you do 你做的唯一运动.dancing your fingers across your keyboard手指在你的键盘上跳舞意思就是敲击键盘. could be 可能. in serious danger 处于严重危险当中,more than比…多,becoming fat变胖.故答案为如果你做的唯一运动就是敲击键盘,你可能会处于比变得肥胖更加严重的危险中.
84.我们如此习惯于使用电脑以至于我们很少将他们看做有害辐射的危险来源.考查翻译.根据句子We have got so used to using computers that we don't often think of them as dangerous sources(来源) of harmful(有害的) radiation.可知so …that如此…以至于,used to doing习惯于,固定用法;often 常常;think of 想起,固定词组;故答案为我们如此习惯于使用电脑以至于我们很少将他们看做有害辐射的危险来源.
85.D 主旨归纳题.根据整篇文章内容及其第二段第一行句子Do you feel sleepy,like something is weighing down on your head?Do you feel forgetful?Do you sometimes feel uncomfortable up and down your neck and lower back,and you can't explain why?Do you get sick often?It could be radiation(辐射) from your computer causing it.你觉得困倦吗,像是什么东西压在你的头上?你觉得健忘吗?有时候你的脖子和下背部感到不舒服,你不能解释为什么?你经常生病吗?可能是你电脑的辐射造成的.可知短文告诉我们电脑辐射是个隐形的杀手.故选D.
点评 在通读全文的基础上,根据全文大意,展开逻辑思维,瞻前顾后,认真观察选项,仔细推敲,确定最佳答案.
There are four main food groups altogether (总计).The dairy product ( 乳制品) group has food like milk,cheese and sour milk.The other three groups are the meat and fish group,the fruit and vegetable group,the bread and rice group.For a meal,you should have at least one kind of food from each of the four main groups.
In this way.you will eat a balanced diet.With all the food together you will be given enough energy during the day.
It is easy to get into bad eating habits.You may eat breakfast in a hurry to get to school on time.Or you may not have time for a good lunch.It may seem easy to finish your supper with fish and chips all the time.But you will find yourself tired during these days and you can not think quickly.
Watching(关注)what you eat will help keep your body healthy and strong.It is also good to take some exercise.Having a good eating habit with some exercise is the key to your health.
| Health and Diet | |
| 4 main food groups | They are the dairy product group,(81)the meat and fish group,the fruit and vegetable group and the bread and rice group. |
| The result of the bad eating habit | You will feel tired and you (82)can not think quickly if you don't have good meals for several days. |
| The result of( 83)the good eating habit | You will have enough energy for the day if you have (84)at least one kind of food from different main food groups for each meal. |
| It's also good for your health to (85)exercise,such as to take a walk,to play 1 games outside. | |
| A. | connected | B. | connects | C. | connecting | D. | is connected |