A businessman was once deep in debt(债务)and could see no way out. He sat on a park bench, head in hands, wondering if anything could save his company.

Suddenly an old man appeared in front of him. “I can see that something is troubling you,” he said. After listening to the businessman’s trouble, the old man said, “I believe I can help you.”

He asked the man his name, wrote out a check(支票)and pushed it into his hand, saying, “Take this money. Meet me here exactly one year from today, and you can pay me back at that time.” Then he turned and disappeared.

The businessman saw his hand a check for $500,000, signed by John D. Rockefeller. One of the richest man in the world.

It can solve my problem at once!” the businessman realized. But instead, he decided to put the check in his safe. Just knowing it was there that might give him the strength(力量)to work out a way to save his business, he thought.

With renewed optimism(乐观精神), he did better in his business. Within a few months, he was out of debt and making money once again.

Exactly one year later, he returned to the park with the check. At the agreed-upon(约定的)time, the old man appeared. But just as the businessman was about to hand back the check and share his successful story, a nurse came running up and caught the old man.

“I’m so glad I caught him!” she cried. “I hope he hasn’t been troubling you. He’s always escaping from the hospital and telling people he’s John D. Rockefeller.”

And then she led the old man away by the arm. The businessman just stood there,________. Suddenly, he realized that it wasn’t the money, real or imagined, that had turned his life around. It was his newfound self-confidence(自信心)that gave him the strength to achieve anything he went after.

1.By saying “it can solve my problem at once”, the businessman wanted to show____________.

A. he didn’t need the check B. he didn’t need to work any more

C. he must put the check in a safe place D. he could pay off the debts with the check

2.__________ is the correct order in which these events happened.

a.The businessman did better in his business and was out of debt soon.

b.A nurse told the businessman the old man always ran away from the hospital.

c.An old man gave the businessman a check for $500,000.

d.The businessman went back to the park to meet the old man.

A. d-c-b-a B. c-a-b-d C. c-a-d-b D. d-a-c-b

3.Which word can be put in the blank____________ in the last paragraph?

A. sad B. pleased C. worried D. shocked

4.The best title(标题)of the passage is ____________.

A. A rich old man B. A terrible experience

C. A newfound self-confidence D. An unlucky businessman

①What does the city of the future look like? Flying cars? Robots? Or smog(烟雾)-eating buildings?

②Arconic, an American company, has made plans to build a 4.8-kilometer-high skyscraper(摩天大楼). It says that the super tall building can clean not only itself but also the air around it by “eating” smog and pollutants(污染物). But how is it done?

③Sherri McCleary, s scientist at Arconic, says they have introduced a new technology called EcoClean. It is a special coating that pulls pollutants out of the air. With a little help from sunlight and water vapour(水蒸气),the coating will produce atoms(原子能)called free radicals(自由基). It is these free radicals that will take in air pollutants, break them down, and then leave the air cleaner.

④But “eating” smog and pollutants is not the only thing this skyscraper is able to do. In fact, thanks to 3D printing, the materials the building used will become even better and stronger---not only making the skyscraper look more modern, but also make it possible to stand strong winds and terrible weather.

⑤However, some people don’t think it will work out well. Air pollution has its own character and it harms lots of cities. Does the smog-eating building have such a magical ability to stop the pollution? It seems impossible to bring the pollution under control in a short time. We should prepare ourselves for a hard fight against the pollution.

⑥Sounds impossible? Anyway, Arconic believes a skyscraper of this kind will be built by 2062.

1.EcoClean works by___________.

A. standing terrible weather B. bowling out air pollutants

C. breaking down free radicals D. pulling pollutants out of the air

2.The fourth paragraph is mainly about_________.

A. what Arconic is B. how EcoClean works

C. what else this skyscraper can do D. why scientist want to build this skyscraper

3.Arconic’s attitude(态度)towards the skyscraper can best be described as __________.

A. hopeful B. regretful C. thankful D. unbelievable

4.The writer’s purpose of writing this article is to______________.

A. bring people some pleasure

B. introduce a wonderful technology

C. show how to build the tall building

D. tell us the importance of protecting the environment

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