1、Having driven his vehicle at 110km/hour on an urban road, Mr. Lin is trying to leave the scene after a rear-end collision but is held back by bystanders. The alcohol concentration in his blood, tested in an alcohol test by the traffic police, is 135.8mg per hundred milliliters. Which of the following law-breaking acts did Mr. Lin commit?
A、Drunk driving
B、Speeding
C、Fatigued driving
D、Hit-and-run driving
Answer：ABD
2、Drivers may turn left when traffic police give these hand signals.
A、Right
B、Wrong
Answer：B
3、The sign on the left warns of no passing on the right-hand road ahead.
A、Right
B、Wrong
Answer：B
4、The sign on the right warns of children on the section ahead.
A、Right
B、Wrong
Answer：B
5、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
6、What kind of harmful effect will be brought about by continuously using the foot brake on a long downhill road?
A、Shorten the engine's service life
B、Make the driver feel tired
C、Easily cause the vehicle to overturn
D、Reduce the braking efficiency
Answer：D
7、vehicles to pass an intersection marked with this sign?
A、Stopping and observing the traffic situation around the intersection
B、Approaching the intersection by speeding up
C、Approaching the intersection at a reduced speed
D、Observing the traffic situation on the left rear side
Answer：A
8、How many kinds of law-breaking acts are displayed in flash 5?
A、One
B、Two
C、Three
D、Four
Answer：C
9、When encountering this situation around a school, the driver should speed up and pass as quickly as possible.
A、Right
B、Wrong
Answer：B
10、The sign on the right warns of a narrowed road on both sides ahead.
A、Right
B、Wrong
Answer：B
11、When passing this mountainous road, motor vehicle drivers should drive along the center of the road.
A、Right
B、Wrong
Answer：B
12、As shown in this picture, before driving to the intersection, vehicles are not allowed to change lanes by crossing the solid white line.
A、Right
B、Wrong
Answer：A
13、Which of the following is an inflammable solid material?
A、Matches
B、Gun powder
C、Calcium carbide
D、Explosives
Answer：A
14、When the tire pressure is too low, what can happen when driving at a high speed?
A、Tire pressure will be unstable
B、Tire pressure will increase
C、Driving resistance will decrease
D、The tire will burst
Answer：D
15、When a motor vehicle moves through water, the driver should try to maintain a constant speed and sufficient power and pass through without stopping.
A、Right
B、Wrong
Answer：A
16、A driver should accelerate in advance to overtake then it is likely to meet with oncoming vehicles.
A、Right
B、Wrong
Answer：B
17、When rescuing a wounded person who has been poisoned by toxic gas, which of the following measures should be taken first?
A、Prevent heat loss
B、Bring him/her to a place with fresh air
C、Give him/her artificial respiration
D、Depress the heart over the chest
Answer：B
18、When approaching each other at night in this situation, drivers should watch for the danger where the two motor vehicles headlamps meet(the sight dead zone).
A、Right
B、Wrong
Answer：A
19、If a motor vehicle misses an exit on the expressway, the driver may reverse along the road shoulder.
A、Right
B、Wrong
Answer：B
20、The sign on the right warns that the road will narrow over the next 5 kilometers.
A、Right
B、Wrong
Answer：A
21、A motor vehicle should not obstruct other vehicles when it enters the driving lane from an acceleration lane.
A、Right
B、Wrong
Answer：A
22、When removing a wounded person suffering spinal fracture, the rescuer should never help the wounded person to walk. He may be carried away with a soft stretcher.
A、Right
B、Wrong
Answer：B
23、This sign warns that the section ahead is under traffic monitoring.
A、Right
B、Wrong
Answer：A
24、Under such circumstances, what should motor vehicle drivers do?
A、Overtake the vehicle quickly on its left
B、Keep a long braking space
C、Continuously sound the horn to alert the vehicle in front
D、Overtake the vehicle quickly from its right
Answer：B
25、The sign on the right warns of a wildlife protection area ahead.
A、Right
B、Wrong
Answer：B