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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

admin2015-12-31  30
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 home 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...
Thanks to computers, in 2040 people______.
选项 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
答案D
解析 本题是一道具体细节题。问到2040年人们将如何。文章第一段和第二段提到了许多未来生活的变化。最后一段又指出，计算机不仅仅能做好一个集消防队员、警察为一身的仆人，它还会给你带来很大乐趣，它将把乐趣带入你的家里。当然，这一点它目前已经做到了，不同的是，到2040年，“乐趣”的性质就大不相同了，例如：你将可以参与到乐趣活动中去，而不是像现在这样仅满足于观看……。因此，本题的正确答案应是D“计算机将使人们在家里获得更大的乐趣”。
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