1、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
2、When a bus encounters an unexpected situation or an accident, the driver should do his best to minimize the loss and should never cause a secondary accident or even greater loss for the sake of avoiding danger.
A、Right
B、Wrong
Answer：A
3、The sign in the red circle indicates that vehicles except non-motor vehicles are not allowed to drive in this lane.
A、Right
B、Wrong
Answer：A
4、How should lamps be used when motor vehicle drivers pass through a two-way tunnel?
A、Turn on the hazard lamps
B、Turn on the high-beam
C、Turn on the fog lamp
D、Turn on the low-beam
Answer：D
5、The sign on the right warns of a village 200 meters ahead.
A、Right
B、Wrong
Answer：A
6、The driver should drive on the left in this kind of tunnel.
A、Right
B、Wrong
Answer：B
7、Motor vehicle drivers are allowed to overtake on this road section.
A、Right
B、Wrong
Answer：B
8、These traffic police signals indicate that passing is prohibited.
A、Right
B、Wrong
Answer：A
9、What influence does smoking have upon driving?
A、Harmful for safe driving
B、Increase concentration
C、Help relaxation
D、No effect on driving
Answer：A
10、When encountering a school bus which stops at the right roadside and students are embarking or disembarking, and there is only one motor vehicle lane in each direction, motor vehicle drivers behind the bus should stop and wait.
A、Right
B、Wrong
Answer：A
11、When an erosive material catches fire, it should not be put out with water cannon.
A、Right
B、Wrong
Answer：A
12、It is illegal to change lanes without turning on indicators.
A、Right
B、Wrong
Answer：A
13、The sign in front indicates a one-kilometer distance from the highway entry.
A、Right
B、Wrong
Answer：A
14、When a motor vehicle skids sideways on a muddy road, the driver should turn the steering wheel in the direction of the rear wheel skidding to properly adjust the direction.
A、Right
B、Wrong
Answer：A
15、When parking for a long time on a downward slope due to breakdown on the road, drivers should use this method to stop up wheels.
A、Right
B、Wrong
Answer：A
16、Motor vehicles are not allowed to reverse in a tunnel.
A、Right
B、Wrong
Answer：A
17、When such circumstances happen suddenly, what should the driver do?
A、Reduce speed or stop to yield
B、Bypass in front of the pedestrians
C、Continuously sound the horn to alert the pedestrians
D、Bypass from behind the pedestrians
Answer：A
18、The sign on the right side warns of an emergency lane 500 meters ahead.
A、Right
B、Wrong
Answer：A
19、The sign on the right warns of a dangerous mountainside road on the left of the road ahead.
A、Right
B、Wrong
Answer：B
20、In such circumstances, which one of the following statements is the safest measure for a motor vehicle driver to take?
A、Accelerate to overtake the vehicle in front as soon as possibl
B、Voluntarily reduce speed and refrain from overtaking
C、Sound the horn to warn the vehicle in front to yield
D、Turn on the headlamp to warn the oncoming vehicle to yield
Answer：B