Satellite tracking and remote communication syste
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Satellite tracking and remote communication systems can be used to______.
A. reduce oil consumption
B. remove the obstacles on the road
C. call for help when one’s car crashes
D. help drivers get out of a traffic jam
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答案：C
本题的答案可以直接从第五段倒数第一句话中找到“Satellite tracking and remote communications can also came into play if you crash , automatically calling for help.”这里 come into play是开始起作用的意思。