20.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.The chips send back names,jobs,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,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:10or 12years 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.
74.The article is intended toD.
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
75.We know from the passage that with the help of RFID tags,peopleA.
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
76.Why are some people worried about RFID technology?C.
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.
77.The last paragraph implies that RFID technologyB.
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.
分析 本文主要講述的是一項(xiàng)新技術(shù)RFID的應(yīng)用及它的前景,不僅可以交友還可以付賬.不過隨之也會產(chǎn)生安全的問題.
解答 74.D 主旨大意題.通讀全文得知,本文主要講述的是一項(xiàng)新技術(shù)RFID的應(yīng)用及預(yù)測它的前景應(yīng)用.故選D.
75.A 細(xì)節(jié)理解題.根據(jù)第一段"Fortunately,you've got a thing that sends out…and the time available formeeting-whatever",人們第一次見面便可以從芯片上獲取對方的基本信息.可推知選A.
76.C 細(xì)節(jié)理解題.根據(jù)第六段"Human right supporters are nervous…It goes too far tracking…Accompanied by how many biscuits"這種技術(shù)也會使人們隱私泄露,甚至有的公司知道人們的飲食情況,可知選C.
77.B 推理推斷題.根據(jù)最后一段提到的Marconi在發(fā)明收音機(jī)時只想應(yīng)用在輪船與陸地沿岸的交流溝通,沒想到應(yīng)用在流行音樂上,因而誰知道RFID及相關(guān)技術(shù)在未來將怎樣使用,可能會用在買牛奶的問題上.故選B.
點(diǎn)評 在對科技說明文進(jìn)行閱讀理解是,考生可以尤其注意中心句,中心段(首尾)、轉(zhuǎn)折句和問題中出現(xiàn)的詞,尤其是一些很有特點(diǎn)的詞如專有名詞.在文段中快速找到相應(yīng)詞語所在位置,問題的答案往往就在附近.