[单项选择]

Car Thieves Could Be Stopped Remotely

Speeding off in a stolen car, the thief thinks he has got a great catch. But he is in a nasty surprise. The car is fitted with a remote immobilizer (使车辆不能调动的装置), and a radio signal from a control center miles away will ensure that once the thief switches the engine (51) , he will not be able to start it again.
For now, such devices (52) only available for fleets of trucks and specialist vehicles used on construction sites. But remote immobilization technology could soon start to trickle down to ordinary cars and (53) be available to ordinary cars in the UK (54) two months. The idea goes like this. A control box fitted to the car incorporates (55) miniature cellphone, a microprocessor and memory, and a GPS satellite positioning receiver. (56) the car is stolen, a coded cellphone signal will tell the unit to block the vehicle’s engine management system and
A. off
B. on
C. at
D. of

[单项选择]
Speeding off in a stolen car, the thief thinks he has got a great catch. But he is in a nasty surprise. The car is fitted with a remote immobilizer (使车辆不能调动的装置), and a radio signal from a control center miles away will ensure that once the thief switches the engine (51) , he will not be able to start it again.
For now, such devices (52) only available for fleets of trucks and specialist vehicles used on construction sites. But remote immobilization technology could soon start to trickle down to ordinary cars and (53) be available to ordinary cars in the UK (54) two months. The idea goes like this. A control box fitted to the car incorporates (55) miniature cellphone, a microprocessor and memory, and a GPS satellite positioning receiver. (56) the car is stolen, a coded cellphone signal will tell the unit to block the vehicle’s engine management system and
A. is
B. was
C. were
D. are

[单项选择]

Car Thieves Could Be Stopped Remotely
Speeding off in a stolen car, the thief thinks he has got a great catch. But he is in a nasty surprise. The car is fitted with a remote immobilizer, and a radio signal from a control center miles away will ensure that once the thief switches the engine (51) , he will not be able to start it again.
For now, such devices (52) only available for fleets of trucks and specialist vehicles used on construction sites. But remote immobilization technology could soon start to trickle down to ordinary cars, and (53) be available to ordinary cars in the UK (54) two months.
The idea goes like this. A control box fitted to the car incorporates (55) miniature cellphone, a microprocessor and memory, and a GPS satellite positioning receiver. (56) the car is stolen, a coded cellphone signal will tell the unit to block the vehicle’s engine management system and prevent the en
A. use
B. inform
C. ask
D. teach