1、The guide arrow on the road surface of this lane indicates that only left turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：A
2、When a wounded person suffering burns is thirsty, he should only drink plain boiled water.
A、Right
B、Wrong
Answer：B
3、When extinguishing a fire, the driver should refrain from breathing through mouth or crying loudly Otherwise, the fire and smoke will scorch the upper respiratory tract.
A、Right
B、Wrong
Answer：A
4、The main impact of muddy roads on safe driving is that the wheels may easily spin and skid
A、Right
B、Wrong
Answer：A
5、When a motor vehicle encounters an accident on an expressway, the driver and all passengers should not get off the vehicle and walk around at will.
A、Right
B、Wrong
Answer：B
6、Drivers may go straight and pass through when traffic police give these hand signals.
A、Right
B、Wrong
Answer：B
7、When driving in thick fog causing poor visibility on the expressway, the driver should apply emergency braking to stop at once.
A、Right
B、Wrong
Answer：B
8、When a motor vehicle skids sideways on a muddy road, the driver should turn the steering wheel in the direction of the rear wheel skidding to properly adjust the direction.
A、Right
B、Wrong
Answer：A
9、When driving into the traffic flow on a main road from a relief road, drivers should speed up.
A、Right
B、Wrong
Answer：B
10、The sign on the right indicates a bypass flow intersection ahead.
A、Right
B、Wrong
Answer：B
11、The guide line of a changeable lane indicates that drivers can choose their direction at will.
A、Right
B、Wrong
Answer：B
12、The slow-down-and-yield line at the intersection ahead indicates that vehicle drivers should stop and give the right of way to vehicles on the trunk road.
A、Right
B、Wrong
Answer：B
13、Motor vehicle drivers may reverse at an intersection.
A、Right
B、Wrong
Answer：B
14、This road marker indicates that the minimum speed for this road section is 60 km/hour.
A、Right
B、Wrong
Answer：B
15、As shown in this picture, the intersection guide line is designed to help drivers make turns.
A、Right
B、Wrong
Answer：A
16、The sign on the right indicates that the number of the lanes ahead will increase.
A、Right
B、Wrong
Answer：B
17、Motor vehicle drivers may make a U-turn in the broken line area as long as it will not affect the normal traffic flow.
A、Right
B、Wrong
Answer：A
18、When rescuing a wounded person who has been poisoned by toxic gas, the first measure is to send him/her to a place with fresh air so that he/she will not continue to be poisoned.
A、Right
B、Wrong
Answer：A
19、When driving on an expressway in rain, the driver should slow down to avoid steering failure arising from "water slide"
A、Right
B、Wrong
Answer：A
20、Motor vehicles should stop and wait when encountering two red lights flashing alternately at evel crossings.
A、Right
B、Wrong
Answer：A