首页/ 题库 / [单选题]起跑犯规指示器能发出音响信号,同时也能打的答案

起跑犯规指示器能发出音响信号,同时也能打印出各道运动员的反应时,请问那组数字是反映起跑犯规的( )

单选题
2021-09-01 23:08
A、107/1000秒
B、112/1000秒
C、86/1000秒
D、208/1000秒
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正确答案
C

试题解析

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