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Dear John,

Thank you very much for your invitations to dinner in your home tomorrow evening. It's been a long time since that we last met. Unfortunate, it is much to my regret that I cannot join you.1 will be fully occupying in preparing for an importance lecture coming the day after tomorrow. I feel terribly sorry for missing chance for a get-together, and I hope that you'll have a good time with me. Maybe you and me can meet sometime next weekend. If so, please calling me when you get this letter. I think it was great to have a long chat with you.

Sorry again.

Yours,

Jerry

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¡¾ÌâÄ¿¡¿Until late in the 20th century, most Americans spent time with people of generations. Now mid-aged Americans may not keep in touch with old people until they are old themselves. That¡¯s because we group people by age. We put our three-year-olds together in day-care center, our 13-year-olds in school and sports activities, and our 80-year-olds in senior-citizen homes. Why?

We live away from the old for many reasons: young people sometimes avoid the old to get rid of fears for aging and dying. It is much harder to watch someone we love disappear before our eyes. Sometimes it¡¯s so hard that we stay away from the people who need us most.

Fortunately, some of us have found our way to the old. And we have discovered that they often save the young.

A reporter moved her family onto a block filled with old people. At first her children were disappointed. But the reporter baked banana bread for the neighbors and had her children deliver it and visit them. Soon the children had many new friends, with whom they shared food, stories and projects. ¡°My children have never been less lonely,¡± the reporter said.

The young, in turn, save the old. Once I was in a rest home when a visitor showed up with a baby. She was immediately surrounded. People who hadn¡¯t gotten out of bed in a week suddenly were ringing for a wheelchair. Even those who had seemed asleep wake up to watch the child. Babies have an astonishing power to comfort and cure.

Grandparents are a special case. They give grandchildren a feeling of security and continuity. As my husband put it, ¡°my grandparents gave me a deep sense that things would turn out right in the end.¡±

Grandchildren speak of attention they don¡¯t get from worried parents. ¡°My parents were always telling me to hurry up, and my grandparents told me to slow down,¡± one friend said. A teacher told me she can tell which pupils have relationships with grandparents: they are quieter, calmer, more trusting.

¡¾1¡¿Now in an American family, people can find that ________.

A. children never live with their parents

B. not all working people live with their parents

C. aged people are supported by their grandchildren

D. grandchildren are supported by their grandparents

¡¾2¡¿The reason why old people are left alone may be that ________.

A. the old don¡¯t like to live in a big family

B. the young can¡¯t get enough money to support the old

C. different generations have different lifestyles

D. the old are too weak to live with the young

¡¾3¡¿The fact that the reporter told us shows that ________.

A. old people in America lead a hard life

B. old people in America enjoy banana bread

C. she had no time to take care of her children

D. old people are easy to get along with

¡¾4¡¿Seeing a baby, the old people get excited because ________.

A. they had never seen a baby before

B. the baby was clever and beautiful

C. the baby brought them the image of life

D. the baby¡¯s mother would take care of them

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Have you ever had a wonderful idea and thought it would make a great invention, but didn¡¯t know what to do next? ¡¾1¡¿ They will help you make your dreams come true and become a famous inventor.

The first thing that you should do is do some research on the Internet to see if anyone else has invented it. If not, you should search through the US Patent (רÀû) information to see if

a patent was ever created for your type of invention. ¡¾2¡¿

The easiest thing to do is working with a company that can help you to make your dreams a reality. It can help you present your ideas and get your product to the right companies. One company that has good fame is ¡°Lambert and Lambert¡±. ¡¾3¡¿ If they think your product is marketable (ÓÐÏú·µÄ), they will help you to get it to the right company.

Call the company and make an appointment. You will be required to bring in a model of your invention and a complete description of your ideas. ¡¾4¡¿ Then when you meet with them, you can present it and they will tell you how marketable it is. If they decide to help you,they will work to present it to different companies and help you to go to the next step.

Once your invention has been sold to a large company, get ready to get the benefits of becoming the next great inventor. ¡¾5¡¿ But the benefits are worth the wait.

A. Write down exactly about your invention.

B. Here are some steps that you can take.

C. It may take a year or two.

D. You will find something new on the Internet.

E. If there is no patent, go to the next step.

F. They offer free advice for good ideas.

G. You will be the next inventor.

¡¾ÌâÄ¿¡¿Many people have long dreamed of being able to fly around as simply as riding a bicycle. Yet the safety and strength of a flying bike was always a big problem.

Over the past 10 years, developments in technology have moved the dream of personal flying vehicles closer to reality. Now, two groups of inventors say such vehicles may be available very soon.

Grant Stapleton from Malloy Aeronautics says the Hoverbike, which is able to get in and out of small spaces very quickly, will be a truly personal flying vehicle. "It can be moved across continents very quickly because it can be folded and packed," he adds.

Mr. Stapleton says safety was the company's main concern when developing the Hoverbike. He ays the designers solved the safety issue by using overlapping rotors (ÕÛµþÐýÒí) to power the vehicle. The company is testing both a one-third size model and a full-size prototype (Ô­ÐÍ) of the Hoverbike.

Inventors say their Hoverbike will most likely be used first by the police and emergency rescue teams.

In New Zealand, the Martin Aircraft Company is also testing a full-size prototype of its personal flying bike, called Jetpack. It can fly for more than 30 minutes, up t0 1,000 meters high and reach a speed of 74 kilometers per hour.

Peter Coker is the CEO of Martin Aircraft Company. He said Jetpack "is built around safety from the start, " In his words, "reliability is the most important part of it. We have safety built into the actual structure itself, very similar to a Formula One racing car. "

Jetpack uses a gasoline-powered engine that produces two powerful jet streams. Mr. Coker says it also has a parachute (½µÂäÉ¡) that can be used should there be an emergency.

"It opens at a very low altitude and actually saves both the aircraft and the pilot in an emergency," he adds.

¡¾1¡¿Which of the following words can best describe the Hoverbike?

A. Powerful. B. Fast. C. Portable. D. Available.

¡¾2¡¿What make(s) flying vehicles seem practical now?

A. Modem technology. B. New safety rules.

C. Love of cycling. D. Public concerns.

¡¾3¡¿Who are expected to use the Hoverbike first?

A. People who dream of flying.

B. People who really love cycling.

C. People who design the bike.

D. People who serve public purposes.

¡¾4¡¿What's the main concern the two companies share?

A. Safety. B. Speed. C. Size. D. Design.

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