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  3. 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 themselve

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 themselve

admin2005-06-26  88
问题     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. A sensor will detect 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 computer, and they will do much more than just turn the fires and lights on and off for you. They will detect faulty electrical appliances, plugs or switches, isolate 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 fire brigade. It will also call the police should the sensors detect an intruder. This 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(拨弄)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" will mean much more. For one thing, you will be able to take part actively, rather than just watching.
Which of the following statements is NOT true?
选项 A、You can be taken for an intruder if you tamper with the lock or with a window.
B、The sensor will detect fire and make an emergency call.
C、Without a computer, the sensor can not do much.
D、The sensor is multi-functional.
答案B
解析 文章第三段提到，这样去撬门锁或窗户很容易使电脑接收到信号。可见，电脑是通过信号去感应的，而不是通过识别人的身份。所以A项正确。第二段讲到，这些传感器通过中央电脑进行工作，它们能做的远不止为你点火、灭火和开灯、关灯。可见C项符合文章的意思。通过第二段的整体叙述我们知道：传感器的功能多样，包括发现出故障的电器并将它们断电，并提醒修理它们；感测到火灾；发现非法闯人者。可见D项符合文章的意思。第二段中讲到，如果你不在家，传感器可以感测到火灾，电脑就会呼叫消防队，可见发出紧急情况报警的不是传感器。所以B项不对。因此本题的正确答案为B。
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