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  When we think about giving help to developing countries, we often think about giving money so that these countries can build schools and hospitals, buy food and medicine, or find clean water supplies.These seem to be the most important basic needs of the people we are trying to help.However, it's far from enough.Ladies and gentlemen, we've got to come up with some better ideas to help them.

  I was very surprised, then, when I read about a plan to make cheap laptop computers for children in developing countries.A man called Nicholas Negroponte invented a cheap laptop computer, which can run without electricity.He decided to invent this computer after he visited a school in Cambodia.

  The laptop which Mr.Negroponte has designed is a little different from the normal laptop computers you can buy in the shops.One difference is that it is covered in rubber so that it is very strong and won't be damaged easily.As an electricity supply can be a problem in developing countries, the computer also has a special handle so that children can wind the computer up to give it extra power when needed.

  These special laptop computers will cost less than 100 US dollars and Mr.Negroponte wants to build as many as 15 million machines in the first year of production.The idea is that these computers will help the children's education as they will be able to access the Internet.These computers might not help the people in developing countries immediately, but by improving children's education they should help people to find their own solutions to their problems in the long term.

  Another idea to help children in developing countries is to recycle old mobile phones so that they can be used again.In the UK, and, probably in many other countries too, millions of mobile phones are thrown away every year.The waste created by throwing away these old phones is very bad for the environment, so it seems to be an excellent idea to recycle them.In this way we will be able to achieve two important goals at the same time.We will reduce the waste we produce and help others.In other words, we will be able to 'kill two birds with one stone', and that is always a good thing.

(1)

It's an excellent idea to recycle old mobile phones because ________.

[  ]

A.

it reduces waste and can help others

B.

it prevents waste and can earn lots of money

C.

it can send the waste produced by developed countries to other countries

D.

it is good for the environment and very educative for phone users

(2)

The author gives the example of Mr.Negroponte's cheap computers ________.

[  ]

A.

to show what high tech can bring us.

B.

to illustrate the kindness of people in the developed countries

C.

to show how to find business opportunities in developing countries

D.

to give an example of how to help developing countries

(3)

Which of the following statements is TRUE about Mr.Negroponte's cheap computers?

[  ]

A.

His computers don't need any power to function well.

B.

His computers are covered with rubber so that they are very cheap.

C.

His computers will help children in developing countries to have better education.

D.

His computers will help people in developing countries to find all the solutions.

(4)

Where does this passage probably come from?

[  ]

A.

A magazine

B.

A newspaper

C.

A lecture

D.

An advertisement

答案:1.A;2.D;3.C;4.C;
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科目:高中英语 来源:设计必修一英语北师版 北师版 题型:050

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How Long Can People Live?

  She took up skating at age 85, made her first movie appearance at age 114, and held a concert in the neighborhood on her 121st birthday.

  Whe n it comes to long life, Jeanne Calment is the world’s recordholder.She lived to the ripe old age of 122.So is 122 the upper limit to the human life span(寿命)?If scientists come up with some sort of pill or diet that would slow aging, could we possibly make it to 150-or beyond?

  Researchers don’t entirely agree on the answers.“Calment lived to 122, so it wouldn’t surprise me if someone alive today reaches 130 or 135,”says Jerry Shay at the University of Texas.

  Steve Austad at the University of Texas agrees.“People can live much longer than we think,”he says.“Experts used to say that humans couldn’t live past 110.When Calment blew past that age, they raised the number to 120.So why can’t we go higher?”

  The trouble with guessing how old people can live to be is that it’s all just guessing.“Anyone can make up a number,”says Rich Miller at the University of Michigan.“Usually the scientist who picks the highest number gets his name in Time magazine.”

  Won’t new anti-aging techniques keep us alive for centuries?Any cure, says Miller, for aging would probably keep most of us kicking until about 120.Researchers are working on treatments that lengthen the life span of mice by 50 percent at most.So, if the average human life span is about 80 years, says Miller,“adding another 50 percent would get you to 120.”

  So what can we conclude from this little disagreement among the researchers?That life span is flexible(有弹性的),but there is a limit, says George Martin of the University of Washington.“We can get flies to live 50 percent longer,”he says.“But a fly’s never going to live 150 years.”

  “Of course, if you became a new species(物种),one that ages at a slower speed, that would be a different story,”he adds.

  Does Martin really believe that humans could evolve(进化)their way to longer life?“It’s pretty cool to think about it,”he says with a smile.

(1)

What does the story of Jeanne Calment prove to us?

[  ]

A.

People can live to 122.

B.

Old people are creative.

C.

Women are sporty at 85.

D.

Women live longer than men.

(2)

According to Steve Austad at the University of Texas, ________.

[  ]

A.

the average human life span could be 110

B.

scientists cannot find ways to slow aging

C.

few people can expect to live to over 150

D.

researchers are not sure how long people can live

(3)

Who would agree that a scientist will become famous if he makes the wildest guess at longevity?

[  ]

A.

Jerry Shay.

B.

Steve Austad

C.

Rich Miller

D.

George Martin

(4)

What can we infer from the last three paragraphs?

[  ]

A.

Most of us could be good at sports even at 120.

B.

The average human life span cannot be doubled.

C.

Scientists believe mice are aging at a slower speed than before.

D.

New techniques could be used to change flies into a new species.

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