Here is a good idea for tile future cars．There will be electronic tracks(电子轨道)everywhere in the streets．Electronic cars will run on these tracks．All the tracks and all the cars will be controlled(控制)by a great computer．For example, if you want to go from your school to a large factory, you just go out of your school and get into one of those cars outside．Then you press the button for the factory．A signal(信号)is sent from the car to the central(中央的)computer and the computer finds the route．The car takes you to the factory at high speed．How easy!
Don't you think it is a good idea for the future?If we really want to realize(实现)it, we must do something．We don't want to live in noisy dirty cities, do we?
(1)
Electronic tracks will be used ________．
[ ]
A．
everywhere in the streets
B．
in the school
C．
in large factories
D．
in the country
(2)
The ________ leads(引导)the car to the place you want to go．
[ ]
A．
electronic tracks
B．
button
C．
signal
D．
central computer
(3)
The central computer gets signals from ________．
[ ]
A．
schools
B．
factories
C．
the electronic cars
D．
electronic tracks
(4)
The idea of electronic tracks ________．
[ ]
A．
can never be realized
B．
can be realized if people work hard
C．
can only be realized in large factories
D．
is realized everywhere
(5)
When you want to go to a place, just press a button ________．
Here is a good idea for tile future cars．There will be electronic tracks(电子轨道)everywhere in the streets．Electronic cars will run on these tracks．All the tracks and all the cars will be controlled(控制)by a great computer．For example, if you want to go from your school to a large factory, you just go out of your school and get into one of those cars outside．Then you press the button for the factory．A signal(信号)is sent from the car to the central(中央的)computer and the computer finds the route．The car takes you to the factory at high speed．How easy!
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