The following are not road traffic signals ( ).
A: traffic light
B: traffic sign
C: traffic information board
D: traffic police command
A: traffic light
B: traffic sign
C: traffic information board
D: traffic police command
举一反三
- Children should be taught to read __________ A: traffic signs B: traffic island C: traffic jam D: traffic police
- Which two statements are true about traffic shaping and traffic policing？（） A: both traffic shaping and traffic policing cause retransmissions of connection-oriented protocols such as TCP B: both traffic shaping and traffic policing support the marking and re-marking of traffic C: the effects of traffic shaping and traffic policing when configured on a router are applied to outgoing traffic D: traffic shaping queues excess traffic whereas traffic policing discards excess traffic E: traffic shaping allows the traffic to exceed the bit rate whereas traffic policing prevents the traffic from exceeding the bit rate
- traffic light
- What is the following traffic sign? 下图是什么交通标志？
- They didn’t catch the train hecause of ( ) A: some heavy traffic B: any heavy traffic C: a heavy traffic D: heavy traffic