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阅读理解
     Imagine you're at a party full of strangers. You're nervous. Who are these people? How do you
start a conversation? Fortunately, you've got a thing that sends out energy at tiny chips in everyone's
name tag (标签). The chips send back name, job, hobbies, and the time available for meeting-whatever. Making new friends becomes simple.
     This hasn't quite happened in real life. But the world is already experiencing a revolution using RFID
technology.
     An RFID tag with a tiny chip can be fixed in a product, under your pet's skin, even under your own
skin. Passive RFID tags have no energy source - batteries because they do not need it. The energy
comes from the reader, a scanning device (装置), that sends out energy (for example, radio waves) that
starts up the tag immediately.
     Such a tag carries information specific to that object, and the data can be updated. Already, RFID
technology is used for recognizing each car or truck on the road and it might appear in your passport.
Doctors can put a tiny chip under the skin that will help locate and obtain a patient's medical records.
At a nightclub in Paris or in New York the same chip gets you into the VIP (very important person)
section and pays for the bill with the wave of an arm.
     Take a step back: 10 or 12 years ago, you would have heard about the coming age of computing.
One example always seemed to surface: Your refrigerator would know when you needed to buy more
milk. The concept was that computer chips could be put everywhere and send information in a smart
network that would make ordinary life simpler.
      RFID tags are a small part of this phenomenon. "The world is going to be a loosely coupled set of
individual small devices, connected wirelessly,"predicts Dr. J. Reich. Human right supporters are nervous
about the possibilities of such technology. It goes too far tracking school kids through RFID tags, they
say. We imagine a world in which a beer company could find out not only when you bought a beer but
also when you drank it. And how many beers. Accompanied by how many biscuits.
     When Marconi invented radio, he thought it would be used for ship-to-shore communication, not for
pop music. Who knows how RFID and related technologies will be used in the future. Here's a wild
guess: Not for buying milk.

1. We know from the passage that with the help of RFID tags, people _______.

A. will have no trouble getting data about others
B. will have more energy for conversation
C. will have more time to make friends
D. will not feel shy at parties any longer

2. Passive RFID tags chiefly consist of _______.

A. scanning devices    
B. radio waves    
C. batteries    
D. chips

3. Why are some people worried about RFID technology?

A. Because children will be tracked by strangers.
B. Because market competition will become more fierce.
C. Because their private lives will be greatly affected.
D. Because customers will be forced to buy more products.

4. The last paragraph implies that RFID technology _______.

A. will not be used for such matters as buying milk
B. will be widely used, including for buying milk
C. will probably not be used for pop music
D. will be limited to communication uses
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A.dbac
B.bcad
C.adcb
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阅读理解
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阅读理解
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阅读理解
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be troubles and may cause destruction. If you take them as constructive tools, you are going to be built
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look and opportunity if you are willing to see. When you face troubles, do not frustrate or freak out. Just
cool yourself to think in a different direction. Think in a positive way. Every problem has its own good as
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beside you who can turn everything in to your best if you are willing to turn to them. No matter what
happens, they will be there to help you. Trust them and they will never let you down. All you need to
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1. What's the meaning of the underlined phrase "freak out" in Paragraph 1 ?

A. Feel shy.    
B. Stay calm.  
C. Keep up.    
D. Feel upset.

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A. problems cause troubles  
B. attitude is everything
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C. should only believe ourselves        
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A. To encourage.  
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C. To prove.
D. To explain.

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