1、Why is it dangerous to overtake on a snowy mud road in heavy snow?
A、Snow can increase tire adhesion
B、The flying mud made the sight bad.
C、Long braking distance in case of emergency
D、Pavement under snow and mud is easier to skid.
Answer：BCD
2、What is the meaning of this sign?
A、Reducing speed 40m ahead
B、Minimum speed is 40km/hr
C、Axle weight limit is 40 tons
D、Maximum speed limit is 40km/hr
Answer：D
3、When encountering non-motorized vehicles cutting in on the road, the driver should ________.
A、Honk to warn
B、Speed up and bypass from the front
C、Voluntarily reduce speed and yield
D、Suddenly speed up when approaching
Answer：C
4、May speed up to go through the crosswalk when no one is near it
A、Right
B、Wrong
Answer：B
5、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
6、You can make an U turn at this intersection.
A、Right
B、Wrong
Answer：B
7、Which of the following measures is incorrect when a motor vehicle stops?
A、Stop at a stipulated place
B、Avoid stopping on pedestrian streets
C、Avoid obstructing the passing of other motor vehicles and pedestrians when temporarily stops on the road
D、Stop on the non-motor vehicle lane
Answer：D
8、Driving a motor vehicle in the downhill section of a mountain road avoids overtaking as much as possible because _______.
A、Vehicle resistance in downhill section is very high
B、Vehicles on downhill sections are more difficult to control than on flat roads due to gravity.
C、In downhill section, the front speed is faster and it is difficult to overtake.
D、Vehicles on downhill sections tend to be too fast due to gravity
Answer：BD
9、Drivers who ride motorcycles are able to not wear safety helmets.
A、Right
B、Wrong
Answer：B
10、What is the meaning of this sign?
A、More vehicles section
B、Passing slowly
C、Jammed section
D、Construction section
Answer：B
11、Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
A、Right
B、Wrong
Answer：A
12、A correct measure to avoid tire burst of motor vehicles is to lower the tire pressure.
A、Right
B、Wrong
Answer：B
13、What needs attention when a motor vehicle drives on a road covered with ice and snow?
A、Braking length is extended
B、Anti-skating resistance will be greater
C、The adhesive force of the road will be greater
D、The braking length will be shorter
Answer：A
14、Violent wind can cause a sideways swerve to a running vehicle.
A、Right
B、Wrong
Answer：A
15、When a motorcycle goes down a long slope, it should run at a lower gear and fully use the engine to brake.
A、Right
B、Wrong
Answer：A
16、What is the meaning of this sign?
A、Stop by the left side of the road
B、Downhill section left
C、Left turn only
D、Run by the left side of the road
Answer：D
17、When a motor vehicle passes over an inundated road drivers should change to a high gear and pass rapidly.
A、Right
B、Wrong
Answer：B
18、If a driver finds there is no vehicle behind, he/she may change lanes without turning on the indicator.
A、Right
B、Wrong
Answer：B
19、Sounding the horn on a foggy daY can arouse the attention of the opposite side. After hearing the horn from the opposite side, the driver should also sound their own horn to respond.
A、Right
B、Wrong
Answer：A
20、What is the meaning of this sign?
A、A manned level crossing
B、Multi-crossing of railway and road
C、Grade separation level crossing
D、An unmanned level crossing
Answer：A
21、When rescuing a person sustaining full-body burns the rescue personnel may spray cool water to his body to put out the fire.
A、Right
B、Wrong
Answer：B
22、When a tire blowout on the road, the driver should control the direction of the vehicle and use emergency braking to bring the vehicle swiftly to a stop.
A、Right
B、Wrong
Answer：B
23、At the scene of a traffic accident, once there is a leakage of toxic and harmful substances, people must be evacuated at the first time and alarmed immediately.
A、Right
B、Wrong
Answer：A
24、When driving on a road covered with ice and snow drivers should not use the emergency brake but can apply a sharp turn.
A、Right
B、Wrong
Answer：B
25、When encountering a school bus which stops at the right roadside and students are embarking or disembarking, what should motor vehicle drivers do?
A、If there is only one motor vehicle lane in each direction, motor vehicle drivers behind the bus should stop and wait.
B、If there are two motor vehicle lanes in each direction, motor vehicle drivers in the left lane behind the bus may overtake the bus at a lower speed
C、If there are three motor vehicle lanes in each direction, motor vehicle drivers in the middle lane behind the bus should stop and wait
D、If there are three motor vehicle lanes in each direction, motor vehicle drivers in the left lane behind the bus may pass at a lower speed
Answer：ACD