(精品推薦)2017屆高考二輪復習英語學案--專題十九 閱讀理解
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. 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
c. will be limited to communication uses
d. will probably be used for pop music
b
it is difficult for doctors to help a person with a damaged brain without enough blood, the brain lives for only three to five minutes more often the doctors can’t fix the damage sometimes they are afraid to try something to help because it is dangerous to work on the brain the doctors might make the person worse if he operates on the brain
dr. robert white, a famous professor and doctor, thinks he knows a way to help he thinks doctors should make the brain very cold. if it is very cold, the brain can live without blood for 30 minutes. this gives the doctor a longer time to do something for the brain.