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提问人：网友ruankao4 发布时间：2022-01-07
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All over the world men and women and boys and girls enjoy sports. Sports help people to li

ve happily as well as keep fit. Today I' d like to say something about one of the most popular sports--jogging. The National Adult Physical Fitness Survey showed that 6.5 million adult Americans jog for exercise. The popularity of jogging has been heightened by medical claims of the benefits derived from regular participation in this activity. Regular jogging is credited with promoting a "training effect" that conditions the heart to do more work with less effort; increases the efficiency of the respiratory system by strengthening the muscles that as sist breathing; increases blood volume in the body, thereby increasing the oxygen - carrying capacity of the circulatory system; promotes blood vessel flexibility; aids the digestive system; and helps to maintain proper body weight through the high calorie expenditure. It is reasonable to assume that the number of adult joggers will increase if this activity is properly taught and encouraged through school physical education programs. Children should be taught how to jog as well as to understand the benefits that result from regular jogging; h is recommended that motivational programs such as the National Varsity Club Sport Award be utilized to pro vide added 'incentive for school jogging programs, In addition to learning the physiological effects of training noted above, students should be given the following information as guidelines for their personal jogging pro grams. When jogging, run in an upright position, avoiding the tendency to lean. Keep your back as straight as you can and still remain comfortable, and keep head up. Don't look at your feet.

Hold arms slightly away from body, with elbows bent so that forearms are approximately parallel to the ground. Occasionally shaking and relaxing the arms and shoulders will help reduce the tightness that some times develops while jogging. Periodically taking several deep breaths and blowing them out completely will also help you to relax.

It is best to land on the heel of the foot and rock forward so that you drive off the ball of the foot for your next step.. If this proves difficult, try a more flat - footed style. Jogging only on the balls of the feet, as in sprinting, will produce severe leg soreness.

Keep steps short, letting foot strike the ground beneath the knee instead of reaching to the front. Length of stride should vary with your rate of speed. Breathe deeply with mouth open. Do not hold breath. If for any reason you become unusually tired or uncomfortable, Slow down, walk, or stop.

How many adult Americans jog for exercise according to The National Adult Physical Fitness Survey ？

A．5.5 million.

B．6.5 million.

C．7.5 million.

D．8.5 million.

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更多“All over the world men and women and boys and girls enjoy sports. Sports help people to li”相关的问题
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听力原文：W: Jimmy, remember to send your aunt a postcard from Tokyo when you go there for
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M: Yes, mum. I'm sure she'll be very happy to get one. She has a large collection of postcards from all over the world now.

Q: What do we learn about Jimmy's aunt？

(14)

A．She likes postcards.

B．She lives in Tokyo.

C．She is going to Tokyo.

D．She has traveled all over the world.

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第2题
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W：I'd suggest this toy train，Sir．It's an excellent brand．Very popular all over the world these days．

Q：What is the man doing？

(13)

A．Shopping with his son.

B．Buying a gift for a child.

C．Promoting a new product.

D．Bargaining with a salesgirl.

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第3题
When the writer says, "This is not going to be put right overnight", he means______.A．we m

When the writer says, "This is not going to be put right overnight", he means______.

A．we must solve the problem very quickly

B．there is no completely fair thing all over the world

C．we need a long time to change the unfair reality

D．the problem that women lose will be solved soon

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第4题
听力原文：W: Today people are hearing about information superhighways and the internet. The
y're wondering where this is going to go.

M: I often think about it, too. How will it develop？ How will it affect different areas？ Is this change going to be beneficial for me personally？

W: I have a friend who is a businessman and is very non-technical. Last year, when he found out he could play cards with friends all over the country on a computer, ho bought a portable computer. At first he used it mostly to play cards wherever he went, but now he's learned how to do other things on the Internet and he's fascinated by how the world changes and what that means from a business point of view.

M: There's no doubt the Internet will be a powerful commercial medium. It'll connect hundreds of millions of customers and open up huge markets for all kinds of products and services.

W: That's true. I can imagine companies sending advertisements directly to customers over the net. Customers, in turn, can examine and compare whatever goods they want to buy and tell their computers to find them at the best price offered.

M: Yeah. Your computer will be your representative and will spare no efforts in bargaining with the computers of various sellers. It'll be a shopper's heaven.

(27)

A．He played cards with people all over the world.

B．He played cards on the internet at first and later did other things with computer.

C．He was fascinated by how the world changes.

D．He understood the computer affected different areas.

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第5题
听力原文：M: Are traveling facilities good in the rest of Britain？W: Well, we've got the ra

听力原文：M: Are traveling facilities good in the rest of Britain？

W: Well, we've got the railways that connect all our big towns. There're over 13,000 miles of track in Britain. Rail transport provides a very important service to the public, to industry and commerce.

M: What about road transport？ Are your roads good？

W: Yes, they are on the whole. We've got about a quarter of a million miles of roads, and multi-motorways are appearing everywhere. We should have over one thousand miles of motorways soon.

M: Is there a good internal air service in Britain？

W: Well, yes. But it is not as important as our rail and road transport systems.

M: But British air services, the BEA and the BOAC, are world famous, aren't they？

W: Oh yes, our international air services are very good. London Airport is one of the busiest airports in the world.

M: What about travel by sea？

W: As an island people and a trading nation, Britain's seafaring traditions have always been great. We used to have the biggest merchant navy in the world, carrying a third of the world's passengers, you know.

M: But I suppose today sea travel has diminished in importance, hasn't it？

W: It has. But some people still prefer traveling by sea to any other forms of transport.

(20)

A．There are over 1,000 miles of track in Britain.

B．In Britain there are about 250,000 miles of track.

C．There are over 13,000 miles of track in England.

D．In England there are 133,000 miles of track.

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第6题
Young people all over the world are fascinated by science.A．confusedB．inspiredC．frustrated

Young people all over the world are fascinated by science.

A．confused

B．inspired

C．frustrated

D．attracted

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第7题
We can ______ with people all over the world by telephone. （communication)

We can ______ with people all over the world by telephone. (communication)

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第8题
The day will come which the people all over the world will win liberation. （)

The day will come which the people all over the world will win liberation. ()

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第9题
英译汉：People all over the world are trying to help the people in the quake－stricken are

英译汉：People all over the world are trying to help the people in the quake-stricken areas.

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第10题
People all over the world can enjoy Chaplin's films without translation because ______.A．E

People all over the world can enjoy Chaplin's films without translation because ______.

A．English is widely known in the world

B．they can enjoy the films silently

C．they are mostly comedies

D．most of them are silent

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第11题
听力原文： Is the world really going mad？ The other day I was sitting in a small restaurant
having a quiet drink and a talk with a few friends, when it suddenly struck me that almost everyone in the restaurant was smoking. It wasn't long before the whole room was rifled with smoke. I asked with an apology for permission to open a window to stop myself dying.

Nowadays air pollution is something that we hardly question any more. However, I still can't walk down the streets in any of the big city without thinking that people are suffering from the air pollution. It is time for the government departments the world over to introduce emission controls on all cars and improve the public transport system to encourage people to leave their cars at home. A friend of mine takes flying lessons each morning and it really makes him sick when he climbs above the smog layer and looks down into it and thinks: "I'm breathing that!" This kind of pollution results from the bad management of resources. Waste things can, and should, be treated properly. House building, road construction and industrial development are all earthmoving operations and can change the balances of life created over millions of years. I would like to see serious studies done on all these main works before they are built. Also, there should be more national parks set up to keep the most beautiful parts of our countries in their natural states.

Why did the speaker want to open the window in the small restaurant？

A．Because he felt too hot inside.

B．Because he wanted to throw out something.

C．Because the restaurant was too smoky.

D．Because he wanted to greet his friend.

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