4．Do you forget to turn off the lights and heaters when you go out of a room？In 2040 it will not matter．They will turn themselves off and on again when you return．You will choose the temperature for each room，the lighting and the humidity（濕度）．A sensor（感應(yīng)器）will find the presence of a human（and，with luck，ignore the dog!） and turn the systems on，and when the humans leave，it will turn them off again．
The sensors will work through the central home computer，and they will do much more than just turn the fires and lights on and off for you．They will find faulty electrical appliances（用品），plugs or switches，separate them so that they cannot harm anyone，and then warn you that they need repair．They will detect fire and if you are out of the house，the computer will call the firefighters．It will not be too difficult because the locks on the outside doors will be electronic．You will open them using your personal card-the one you use for shopping-maybe using a number known only to you．
It will be impossible to lose the key，and a housebreaker will have to tamper（胡亂擺弄）with the lock or with a window．It is not very difficult to make such tampering send a signal to the computer．
The computer will be more than a fireman-policeman-servant．It will be an entertainer，and most of your entertainment will come right into your home．It does now，of course，but by 2040"entertainment（娛樂）"will mean much more．For one thing，you will be able to take part actively，rather than just watching．

8．The author intends to tell us that in 2040D．
A．we will live without lights and heaters
B．we will use much more lights and heaters
C．there will be no switches of lights and heaters
D．lights and heaters will be on and off automatically
9．Which of the following statements is NOT true？C
A．The sensor is multi-functional．
B．Without a computer，the sensor cannot do much．
C．The sensor will detect fire and make an emergency call when you are at home．
D．It is less likely to lose the key．
10．According to the author，in 2040，new technologyA．
A．will free us from the keys we use today
B．will turn everything into sensors
C．will make the locks out of date
D．will get rid of all crimes
11．Thanks to computers，in 2040peopleC．
A．will have no entertainment outside
B．will replace TV with computers
C．will be controlled by computers
D．will have more fun at home．

分析 本文講述了到了2040年的時(shí)候，新科技的發(fā)展和應(yīng)用會(huì)讓人們的生活更便利．

解答 8．D　細(xì)節(jié)理解題．由第一段內(nèi)容Do you forget to turn off the lights and heaters when you go out of a room？In 2040 it will not matter．They will turn themselves off and on again when you return．"They will turn themselves off and on again when you return．"如果你出門時(shí)忘記關(guān)閉燈或者熱水器時(shí)，不要焦慮．因?yàn)樗麄儠?huì)自動(dòng)關(guān)閉并且在你回來的時(shí)候又自動(dòng)打開，因此答案為D項(xiàng)．
9．C 推理判斷題．文章第二段They will detect fire and if you are out of the house，the computer will call the firefighters．指出，如果你不在家時(shí)傳感器感測到火災(zāi)，計(jì)算機(jī)就會(huì)告知消防隊(duì)．傳感器僅僅是一個(gè)感應(yīng)裝置，它感應(yīng)到異�，F(xiàn)象后將信號傳給計(jì)算機(jī)，由計(jì)算機(jī)對信號處理后再發(fā)出相關(guān)信息．因此，本題選C項(xiàng)．"傳感器感測到火災(zāi)就發(fā)出緊急呼叫"這種說法是不對的．
10．A 細(xì)節(jié)理解題．根據(jù)第二段It will not be too difficult because the locks on the outside doors will be electronic．可知到2040年，人們將使用電子卡開門．因此，本題的正確答案是A項(xiàng)，即新技術(shù)會(huì)使我們不必再使用我們今天所使用的鑰匙．
11．C 細(xì)節(jié)理解題．根據(jù)文章最后一段內(nèi)容The computer will be more than a fireman-policeman-servant．It will be an entertainer，and most of your entertainment will come right into your home；you will be able to take part actively，rather than just watching 到了2040年，電腦將會(huì)不僅僅是一個(gè)警察、管家，更是會(huì)將娛樂帶入到你的家里，到時(shí)你不僅是觀看而且會(huì)參與其中，人們的生活會(huì)被電腦所支配，結(jié)合選項(xiàng)，故選C．

點(diǎn)評 本文是科教類閱讀理解．做這類題材閱讀理解時(shí)要求考生對文章通讀一遍，做題時(shí)結(jié)合原文和題目有針對性的找出相關(guān)語句進(jìn)行仔細(xì)分析，結(jié)合選項(xiàng)選出正確答案．推理判斷題也是要在抓住關(guān)鍵句子的基礎(chǔ)上合理的分析才能得出正確答案，切忌胡亂猜測，一定要做到有理有據(jù)．

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