1、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
2、What should the driver do to follow other motor vehicles on a mountain road?
A、Closely follow the vehicle in front
B、Increase the safety distance
C、Reduce the vertical distance between vehicles
D、Try to overtake the vehicle in front as soon as possible
Answer：B
3、The sign on the right indicates a bypass route at the intersection ahead.
A、Right
B、Wrong
Answer：A
4、The sign on the right warns of no passing on either side of the road ahead.
A、Right
B、Wrong
Answer：B
5、When a motor vehicle encounters this situation at a crosswalk, the driver must slow down and pass slowly.
A、Right
B、Wrong
Answer：B
6、The guide line of a changeable lane indicates that drivers can choose their direction at will.
A、Right
B、Wrong
Answer：B
7、The leading cause of this accident is that the driver failed to make sure that it was safe to reverse before doing so.
A、Right
B、Wrong
Answer：A
8、The sign on the right indicates a left-turn bypass route at the intersection ahead.
A、Right
B、Wrong
Answer：A
9、When rescuing a wounded person suffering from spinal fracture, which of the following measuresshould be taken?
A、Prevent heat loss
B、Rescue the wounded person with a soft stretcher
C、Keep the wounded part in position with a sling
D、Help the wounded person when walking
Answer：C
10、The sign on the left indicates U-turn is allowed here.
A、Right
B、Wrong
Answer：A
11、Drivers may go ahead when traffic polices posture is like this.
A、Right
B、Wrong
Answer：A
12、When the speed indicated by the speed limit sign on the highway contradicts the speed indicated for the specific lanes the speed indicated for the specific lanes should prevail.
A、Right
B、Wrong
Answer：B
13、When a gas tanker is leaking heavily, which of the following measures is wrong?
A、Cut off the power
B、Wear gas mask and protect gloves
C、Turn off the valve to stop leaking
D、Evacuate people to the leeward side
Answer：D
14、When rescuing a wounded person in coma causing by excessive blood loss, it is necessary to take measures to prevent heat loss.
A、Right
B、Wrong
Answer：A
15、When encountering a situation like changing to a left lane, motor vehicle drivers should vield.
A、Right
B、Wrong
Answer：A
16、It is illegal to change lanes without turning on indicators.
A、Right
B、Wrong
Answer：A
17、When a tire suddenly bursts on the road, the driver should violently depress the brake pedal to reduce speed and stop the vehicle.
A、Right
B、Wrong
Answer：B
18、The cross-hatched marking indicates an area where vehicle drivers are allowed to stop and wait.
A、Right
B、Wrong
Answer：B
19、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
20、Once inflammable gas causes a fire disaster, it should be put out with water in good time.
A、Right
B、Wrong
Answer：B