A、It can help reach an accident area faster. B、It can help avoid traffic accidents. C、It can supervise emergency workers. D、It c

admin2021-08-23  3

问题

选项 A、It can help reach an accident area faster.
B、It can help avoid traffic accidents.
C、It can supervise emergency workers.
D、It can solve traffic problems.

答案A

解析
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