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、When encountering such pedestrians, what should motor vehicle drivers do?
A、Bypass in front of the pedestrians
B、Bypass from behind the pedestrians
C、Sound the horn to alert the pedestrians
D、Voluntarily stop and yield
Answer：D
3、It is an illegal act for the driver to make calls while driving.
A、Right
B、Wrong
Answer：A
4、In the condition of low visibility, drivers should turn on the low-beam when setting off
A、Right
B、Wrong
Answer：A
5、The sign on the right indicates that sounding the horn is prohibited here.
A、Right
B、Wrong
Answer：B
6、When there is bleeding at the bone fracture of a wounded person, the first thing to do is to fix the wounded part in position, then stop the bleeding and dress the wound.
A、Right
B、Wrong
Answer：B
7、As shown in the flash, when overtaking a vehicle in front, the driver should make the horizontal distance as large as possible and may cross the solid line if necessary.
A、Right
B、Wrong
Answer：B
8、Drivers may cross these central solid and broken yellow lines when overtaking.
A、Right
B、Wrong
Answer：B
9、If a motor vehicle is unable to drive in heavy fog on an expressway due to an accident, what should the driver do?
A、The driver and all passengers should promptly get off the motor vehicle from the left side door
B、Set up a warning sign 100 meters behind the vehicle in the oncoming direction
C、Turn on the hazard lamp and the high-beam
D、Stand in a safe place outside the guardrail
Answer：D
10、The sign on the right warns of a dangerous mountainside road on the left of the road ahead.
A、Right
B、Wrong
Answer：B
11、The driver should speed up to 40 kilometers per hour when he/she sees this traffic sign.
A、Right
B、Wrong
Answer：B
12、Which is the correct way to use a fire extinguisher?
A、Stand on the leeward side
B、Direct the fire extinguisher at the source of fire
C、Try to approach the source of fire as close as possible
D、Direct the fire extinguisher at the flames
Answer：B
13、When there is a braking failure on a downhill road, if there is no favorable terrain or opportunity to stop the vehicle, the driver should drop gear by one position or two positions, and control the speed by taking advantage of the braking role of the engine.
A、Right
B、Wrong
Answer：A
14、When an erosive material catches fire, it should not be put out with water cannon.
A、Right
B、Wrong
Answer：A
15、When a motor vehicle accidentally hits a guardrail of a highway, the driver should stabilize and adjust the steering wheel properly, and refrain from turning the steering wheel drastically.
A、Right
B、Wrong
Answer：A
16、When a motor vehicle breaks down on an expressway and cannot be moved away from the driving lane, the driver may conduct emergency repairs on the driving lane.
A、Right
B、Wrong
Answer：B
17、When driving, besides paying attention to keeping a safe distance from the vehicle in front, drivers should also be prudent when braking so as to avoid a rear-end collision caused by a vehicle behind.
A、Right
B、Wrong
Answer：A
18、When leaving an expressway, drivers should enter the ramp after slowing down in the deceleration lane.
A、Right
B、Wrong
Answer：A
19、What's the meaning of the sign on the right?
A、Parking prohibited
B、Temporary parking permitted
C、Picking up or dropping off passengers permitted
D、Stopping to unload permitted
Answer：A
20、The sign on the right indicates a bypass flow intersection ahead.
A、Right
B、Wrong
Answer：B
21、The sign in front is an advance announcement of the directions led by the interchange.
A、Right
B、Wrong
Answer：A
22、The sign on the right indicates that the speed limit of 40km/hour is lifted on the road ahead.
A、Right
B、Wrong
Answer：B
23、Which is the wrong measure to avoid tire burst?
A、Reduce tire pressure
B、Check tires regularly
C、Remove foreign matters from the tire tread grooves timely
D、Replace tires that have cracks or deep cuts
Answer：A
24、The sign on the right warns of a non-motor vehicle lane.
A、Right
B、Wrong
Answer：B
25、When a motor vehicle on an expressway stops in an emergency due to breakdown or an accident, what should the driver and the passengers do?
A、Stand in front of the motor vehicle
B、Wait in the motor vehicle for rescue
C、Stand behind the motor vehicle
D、Promptly move to the road shoulder on the right side or the emergency lane
Answer：D