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. A sensor will detect the presence of a human 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, 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 firemen. It will also call the police should the sensors detect an intruder. You will open the door using your personal card---the one you use for shopping---maybe using a number known only to you.




11.The author intends to tell the readers that in year 2040 _____ .
A.they will live without lights and heaters
B.they will use lights and heaters much more
C.lights and heaters will switch on and off automatically
D.there will be no switches for lights and heaters

12.According to the passage, which of the following statements is TRUE? _____ .
A.people often forget to turn off the lights and heaters.
B.People will have a servant to work for them in 2040.
C.People are afraid of the year 2040.
D.People will save much trouble with the help of advanced technology.
13.According to the author, in2040, new technology ___________ .
A.will turn everything into sensors
B.will free us from the keys we use today
C.will make the locks out of date
D.will eliminate crimes
14.Thanks to computers, in 2040 people ___________ .
A.will replace TV with computers
B.will have much fewer fire accidents
C.will be controlled by computers
D.will have more fun at
15.What is the best title for the passage? ___________ .
A.Life in the Year 2040.
B.Sensors and Computers.
C.The Development of Science and Technology.
D.Lights and Heaters in the Year 2040
16.This is the______photo I have ever taken.
A.worse
B.better
C.best
D.most worst
17.As they can't afford to let the situation get worse, they will take some necessary ___.
A.decisions
B.sides
C.directions
D.steps
18.The girl sometimes has difficulty______what the teacher say in class.
A.understand
B.understanding
C.to understand
D.understood
19.You ___ yesterday if you were really serious about the job.
A.ought to come
B.ought to be coming
C.ought to have come
D.ought have come
20.Milk bottles need cleaning thoroughly before they are used again, ___ they?
A.don't
B.mustn't
C.needn't
D.aren't

11 C
12 D
13 A
14 B
15 A
16 C 因为worse/better之后应该放than..most worst 不正确，应该是the worst
17 D step = 措施/步骤
18 C
19 C
20 D 转换句子比较容易明白：are the milk bottles need cleaning thoroughly before they are used again?