1、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
2、When a motor vehicle passes over an inundated road the driver should change to a low gear and pass at a constant speed.
A、Right
B、Wrong
Answer：A
3、Matches, sulfur and red phosphorus are _________.
A、Explosives
B、Inflammable solid materials
C、Self-igniting articles
D、Oxidizing materials
Answer：B
4、What are the hazards of drivers using cellphones or texting while driving?
A、Influencing driving operation
B、Influencing the rest of passengers
C、Failure to respond to emergencies
D、Distracted driving
Answer：ACD
5、When an erosive material catches fire, it should not be put out with water cannon.
A、Right
B、Wrong
Answer：A
6、Speed up and pass when encountering this traffic light at the intersection
A、Right
B、Wrong
Answer：B
7、A motorcycle is not permitted to tow other vehicles or to be towed by other vehicles.
A、Right
B、Wrong
Answer：A
8、When the driver discovers that steering is stiff, the wrong measure is to ___________.
A、Reduce speed and stop the vehicle as fast as possible
B、Stop at a safe place
C、Continue to drive
D、Identify the cause
Answer：C
9、Under such circumstances, what should be done by motor vehicle drivers in order to yield to the pedestrians politely?
A、Set off after pedestrians pass
B、Set off and bypass in front of the pedestrians
C、Sound the horn to warn the pedestrians to yield
D、Set off and approach the pedestrians slowly
Answer：A
10、When parking temporarily on a snowy day, drivers should turn on the headlamp and fog lamp.
A、Right
B、Wrong
Answer：B
11、When a fast-running vehicle makes a sharp turn, it can very easily cause side collision or an overturn due to the centrifugal force.
A、Right
B、Wrong
Answer：A
12、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
13、When a vehicle stops temporarily at the roadside at night, the wrong measure is to ______.
A、Turn on the warning flash light
B、Turn on the contour light
C、Turn on the high beam light
D、Turn off all lights
Answer：CD
14、Which one of the following measures is correct when a motor vehicle intends to overtake but the vehicle infront refuses to yield?
A、Use a long-sounding horn
B、Follow the vehicle in front while turning high-beam
C、Wait for it to yield while keeping a safe distance
D、Use high-beam and low-beam alternatively
Answer：C
15、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
16、Under such circumstances, the driver should stop the vehicle and yield to pedestrians.
A、Right
B、Wrong
Answer：A
17、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
18、When the motor vehicle encounters a crosswalk in this situation, the driver may speed up and pass rapidly.
A、Right
B、Wrong
Answer：B
19、What is the meaning of this sign?
A、Muddy road
B、Low-lying road
C、Overflowing road
D、Ferry
Answer：C
20、When rescuing a wounded person who has been poisoned by toxic gas, the first measure is to send him to a place where air is fresh so that he will not continue to be poisoned.
A、Right
B、Wrong
Answer：A
21、You can make an U turn at this intersection.
A、Right
B、Wrong
Answer：B
22、When rescuers enter the scene to rescue the wounded after harmful gas leakage caused by traffic accidents, they must wear air respirators or cover their mouth and nose with wet towels.
A、Right
B、Wrong
Answer：A
23、When driving in a heavy rain, drivers should contro their speed to prevent their vehicles from sliding.
A、Right
B、Wrong
Answer：A
24、Driving and smoking has no negative effect on safe driving
A、Right
B、Wrong
Answer：B
25、When driving on a muddy roads, it is easy for wheels to sideslip or skid, which leads to traffic accidents.
A、Right
B、Wrong
Answer：A