单选题
What is essential in making a modern car tougher to steal?
A) A coded ignition key. C) A special cellphone signal.
B) A unique ID card. D) A GPS satellite positioning receiver.
A、
What is essential in making a modern car tougher to steal?
B、
A coded ignition key.
C、
A unique ID card.
D、
A special cellphone signal.
E、
A GPS satellite positioning receiver.
【正确答案】
A
【答案解析】
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