A.緊跟前車行駛 B.適當(dāng)增大安全間距 C.打開霧燈,適時(shí)鳴喇叭
A.減小 B.增大 C.保持不變
A.會(huì)由近及遠(yuǎn) B.會(huì)由遠(yuǎn)及近 C.不發(fā)生變化