1. The article is intended to

　　.

　　A. warn people of the possible risks in adopting RFID technology

　　B. explain the benefits brought about by RFID technology

　　C. convince people of the uses of RFID technology

　　D. predict the applications of RFID technology

　　2. 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. won’t feel shy at parties any longer

　　3. Passive RFID tags chiefly consist of

　　.

　　A. scanning devices

　　B. radio waves

　　C. batteries

　　D. chips

　　4. 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.

　　5. 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

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