【题目】I never thought I would have a life-changing experience at Wal-Mart.

Although my thoughts were only on speed, the checkout line I was standing in wasn't moving as quickly as I wanted, and I glanced toward the cashier. There stood a man in his seventies, wearing glasses and a nice smile. I thought, well, he's an old guy! For the next few minutes I watched him. He greeted every customer before scanning the items. Sure, his words were the usual, “How's it going?” But he did something different—he actually listened to people. Then he would respond to what they had said and engage them in a brief conversation.

I thought it was odd. I had grown accustomed to people asking me how I was doing simply out of robotic conversational habit. After a while, you don't give any thought to the question and just mumble something back. I could say, “I just found out I have six months to live,” and someone would reply, “Have a great day!” But that wasn't the end.

He gave them the change, walked around the counter, and extended his right hand in an act of friendship. He looked the customers in the eyes. “I surely want to thank you for shopping here today,” he told them. “You have a great day. Bye-bye.”

The looks on the faces of the customers were priceless. There were smiles and some sheepish grins. All had been touched by his simple gesture—and in a place they never expected. They would gather their things and walk out, smiling.

Of course, he did the same to me and I got to know his name, Marty.

Who was that guy? It was as if Sam Walton had come back from the dead and invaded this old guy's body. I had never walked away from that shop feeling like that.

【1】According to the writer, when common people ask you “How's it going?”, ________.

A.they don't really care what you may answer

B.they are just practicing their conversation ability

C.they are inquiring about your private information

D.they don't expect to hear any negative answers

【2】What was most customers' reaction to Marty's behaviors?

A.They thought it priceless. B.They were in some way moved.

C.They thought it awful and odd. D.They felt somewhat offended.

【3】What can we infer about Sam Walton?

A.He might be Marty's father or grandfather.

B.He might be friendly and devoted to Wal-Mart.

C.He might have died while working in the market.

D.He might have come back from the dead once before.

【4】What does the writer intend to express through the text?

A.Our everyday life is always full of surprises.

B.Most customers enjoy being treated this way.

C.Being different is a good way of doing business.

D.A little positive action can make a big difference.

【题目】While astronauts in space get to do many exciting things, they miss out on ordinary things that we all take for granted—being able to walk on firm ground, hanging out with family and digging into a slice of hot steaming pizza. Though not much can be done about the first two things, there may soon be a solution to the third one, thanks to this cool 3-D pizza printer!

About a year ago, NASA offered $125,000 to Anjan Contractor, a 3-D technology expert, to build a device that would allow astronauts to make pizza on demand. The mechanical engineer promised that his invention would produce pies in large quantities that looked, tasted and even smelled like pizza made in common ovens.

Late last year, the engineer presented a video of his first prototype (原型) that begins by creating a single slice of dough (面团) that is cooked and printed at the same time. Then comes the tomato “sauce”—a mix of tomato powder, oil and water and finally, a protein slice that resembles cheese. While the video doesn’t show the baking process, the inventor says that once the pizza is printed, it can be ready to be consumed (消耗) in 7 seconds.

While the pie in the video looks delicious enough to attract any pizza lover, Anjan Contractor is far from ready for astronauts. That’s because he still has to find a solution to make the food container in the printer last for 30 years. Though that may sound unrealistic, actually it is not. Anjan Contractor believes that the only way that is possible is that the water is removed from all the ingredients and then they are reduced to the powder form. This, as you can imagine, will not be so easy. But, while the printer may not be ready for space, it certainly looks ready enough for people on earth. Hopefully, NASA and Contractor will consider selling it to those not fortunate enough to go to Mars!

【1】Why does the author mention the things that astronauts in space cannot do?

A. To ask us not to take common things for granted.

B. To show they live a difficult life there.

C. To show their life is boring in space.

D. To introduce the topic of the text.

【2】NASA offered $125,000 to Anjan Contractor mainly to ________.

A. create some new type of 3-D printer

B. attract more companies to work for NASA

C. help astronauts in space enjoy fresh pizza one day

D. produce pizza in large quantities to earn great profits

【3】The biggest challenge that Anjan Contractor is faced with now is probably that ________.

A. he has no money left to go on with his research

B. the pizza doesn’t seem appetizing to pizza lovers

C. he has no way to make pizza that can last for thirty years

D. he cannot make the food container last for decades

【4】What’s the best title of the passage?

A. NASA is trying its best to help astronauts eat better.

B. Astronauts may soon be able to enjoy steaming hot pizza.

C. NASA is working on making pizza for common people.

D. A 3-D pizza printer has been used to make pizza.

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