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阅读下面的短文，从A-E中为1-5段选择主题句。
A．Listen to your body．
B．Drink water and milk most often．
C．Be active．
D．Eat a variety of foods, especially fruits and vegetables．
E．Limit screen time．
There is a lot of discussion these days about fit kids．People who care(parents, doctors, teachers, and others)want to know how to help kids be more fit．Being fit is a way of saying a person eats well, gets a lot of physical activities, and has a healthy weight．I f you are fit, your body works well, feels good, and can do all the things you want to do．．
Here are some tips to keep fit．
1 You may have a favourite food, but the best choice is to eat a variety．If you eat different foods, You are more likely to get the nutrients your body needs．
2 When you are really thirsty, cold water is the No．1 thirst-quencher．And there is a reason your school cafeteria offers cartons of milk．Kids need calcium to grow stronger bones and milk is a great source of this mineral．How much do lids need? About 800 milligrams each day if you're 6 to 8 and 1,300 milligrams if your are 9 or older．
3 What does it feel like to be full? When you are eating, notice how your body feels and when your stomach feels comfortably full．Sometimes, people eat too much because they don't notice when they need to stop eating．Eating too much can make you feel uncomfortable and it can lead unhealthy weight gain．
4 What's screen time? It is the amount of the time you spend watching TV, DVDs, and vedios and using the computer．The more time you spend on these sitting-down activities, the less time available for active stuff like basketball, bike riding, and swimming．
5 One job you have as a kid--and it is a fun one--is that you get to figure out what activities you like best．Not everyone likes baseball or soccer．Maybe your passion is dancing or swimming．Ask your parents do your favourite activities regularly．Find ways to be active every day．
Laptop computers are popular all over the world. People use them on trains and airplanes, in airports and hotels. These laptops connect people to their workplace. In the United States today, laptops also connect students to their classrooms.
Westlake College in Virginia will start a laptop computer program that allows students to do schoolwork anywhere they want. Within five years, each of the 1500 students at the college will receive a laptop. The laptops are part of a $10 million computer program at Westlake, a 110-year-old college. The students with laptops will also have access to（可利用）the Internet. In addition, they will be able to use e-mail to “speak” with their teachers, their classmates, and their families. However, the most important part of the laptop program is that students will be able to use computers without going to computer labs. They can work with it at home, in a fast-food restaurant or under the trees-anywhere at all!
Because of the many changes in computer technology, laptop use in higher education, such as colleges and universities, is workable. As laptops become more powerful, they become more similar（相似）to desktop computers. In addition, the portable computers can connect students to not only the Internet, but also libraries and other resources. At Westlake College, more than 60 percent of the staff use computers. The laptops will allow all teachers to use computers in their lessons.
State higher-education officials are studying how laptops can help students. State officials are also testing laptop programs at other universities, too.
The main purpose of the laptop program is to give each student a laptop to ____________.
A. use for their schoolwork B. access the Internet
C. work at home D. connect them to libraries
Why is the word “speak” in the second paragraph in quotation marks（引号）?
A. They don’t really talk. B. They use the computer language.
C. Laptops have speakers. D. None of the above reasons is correct.
Which of the following is true about Westlake College?
A. All teachers use computers. B. 1500 students have laptops.
C. It is an old college in America. D. Students there can do everything.
“A window on the world” in the last paragraph means that students can ____________.
A. attend lectures on information technology
B. travel around the world
C. have free laptops
D. get information from around the world
What can we infer from the passage?
A. The program is successful. B. The program is not workable.
C. The program is too expensive. D. We don’t know the result yet.
查看习题详情和答案>>You are supposed to put everything in the hall in goal order by six o'clock. The professor is ________ to give a lecture tomorrow.
- A.due
- B.about
- C.planned
- D.intended
An Announcement
It was a small town which lay by the coast.Most people there lived by catching fish.The hurricanes often struck the area from July to October.Some of the people died on the sea when their boats were blown over by the high winds.So they paid much attention to the weather forecasts.They were afraid to meet with the hurricanes when they were catching fish on the sea.Each of the families had a radio and people always took them with themselves and listened to them at any time.
It was September.A hurricane attacked the town one night.Plenty of trees were pushed over and all the electric and telephone lines were broken.People couldn’t watch TV,or call their friends,or go to work.To their anger,they couldn’t listen to the weather forecasts the Town Radio Station broadcast.The food and fresh water would soon be short and the patients couldn’t be given medical care—no medicine could be carried there.People didn’t know what would happen and they looked anxious.
On the fourth day they read an announcement（通告）on the Town Weekly.It was written,“Recently we have to stop the weather forecast because of the bad weather.We usually get the forecasts from the airport.But the roads are all blocked by the fallen trees and stones.Whether or not we’ll be able to broadcast the weather forecast tomorrow depends on the weather！”
The people in the town often took radios with themselves because______.
A.they felt lonely when catching fish on the sea and listened to the weather forecasts
B.they were interested in the weather forecasts
C.they couldn’t watch TV on the sea
D.they hoped to listen to some good news
The writer writes the passage mainly to ______.
A.desrcibe the importance of weather forecast
B.give a news report
C.describe a bad effect of natural disasters
D.to warn people to be careful against hurricane
Read the announcement,the people were______.
A.encouraged B.happy C.excited D.disappointed
查看习题详情和答案>>E
How words came into being is unknown.All we assume is that some early men invented cortain sounds,in one way or another,to express thoughts and feelings,actions and things,so that they could talk with each other.Later they agreed upon certain signs,called letters,which could be put together to show those sounds,and which could be written down.Those sounds,whether spoken or written in letters,are called words.
The power of words,then,lies in their associations-the things they bring up to our minds.Words become filled with meaning for us by experience;and the longer we live,the more certain words bring back to us the happy and sad events of our past;and the more we read and learn,the more the number of words that mean something to us increases.
Great writers are those who not only have great thoughts but also express these thoughts in words which have powerful effects on our minds and feelings.This clever use of words is what we call literary style.Above all,the real poet is a master of words.He can express his meaning in words which sing like music,and which by their position and association can move men to tears.We should therefore learn to choose our words carefully and use then correctly,or they will make our speech silly and common.
58.We learn from the text that language might have begun with( )
A．expressions B．actions C．signs D．sounds
59.What is mainly discussed in Faragraph 2?
A．The ……of new words B．The importance of old words
C．The relation of human experience with words
D．The gradual change and development of words
60.In the last paragraph,what does the anthor suggest that we should do?
A．Use words skilfully B．Make musical speeches
C．Learn poems by heart D．Associate with listeners
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