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、How to run when encountering this situation at the intersection?
A、stop and wait
B、obey the traffic lights
C、run straight on the right side
D、may turn right
Answer：A
3、Drivers may temporarily cross these central solid double yellow lines when overtaking.
A、Right
B、Wrong
Answer：B
4、Drivers may go ahead when traffic polices posture is like this.
A、Right
B、Wrong
Answer：A
5、When driving on a road covered with ice and snow, drivers tend to encounter glare caused by reflection of light rays from the road surface.
A、Right
B、Wrong
Answer：A
6、Before a motor vehicle enters a tunnel, the driver should adjust the speed in accordance with the indication of the traffic sign at the entrance of the tunnel.
A、Right
B、Wrong
Answer：A
7、The sign on the right indicates that turning right is not permitted at the intersection ahead.
A、Right
B、Wrong
Answer：A
8、When a motor vehicle encounters an accident on an expressway, the driver and all passengers should not get off the vehicle and walk around at will.
A、Right
B、Wrong
Answer：B
9、Drivers are not allowed to cross these lane-dividing lines when overtaking in the same direction.
A、Right
B、Wrong
Answer：A
10、What should be done to keep safe when a motor vehicle driver is overtaking in this condition?
A、Reducing speed and keeping a safe distance
B、Continuously sounding the horn to indicate the vehicle in front
C、Accelerating to pass while keeping a certain distance
D、Overtaking by occupying the opposite lane
Answer：A
11、Upon encountering this traffic signal, how should a driver react?
A、Observe the traffic situation and pass at a reduced speed
B、Pass at an increased speed without changing gears
C、Pass before the train comes
D、Crossing the stop line is prohibited
Answer：D
12、Under such circumstances at an intersection. what should motor vehicle drivers do?
A、Drive into the intersection and wait
B、Wait in front of the intersection stop-line
C、Pass through in the right non-motor vehicle lane
D、Pass through the intersection by borrowing the opposite lane
Answer：B
13、When a wounded person suffering burns is thirsty, he should only drink plain boiled water.
A、Right
B、Wrong
Answer：B
14、Drivers may cross these central solid and broken yellow lines when overtaking.
A、Right
B、Wrong
Answer：B
15、Driving and smoking has no negative effect on safe driving
A、Right
B、Wrong
Answer：B
16、Under the circumstances shown in the flash, what should the driver do?
A、Find a chance to overtake the vehicle in front
B、Weave through motor vehicles ahead and pass
C、Reduce speed, stop, and wait in line
D、Sound the horn to urge vehicles in front
Answer：C
17、When a motor vehicle passes over an overflowing bridge, what should the driver do after stopping and observing closely?
A、Change to a high gear and pass rapidly
B、Constantly observe the changes of the flow
C、Prepare to stop at any time
D、Change to a low gear and pass through at a constant speed
Answer：D
18、The guide arrow on the road surface of this lane indicates that the lanes ahead will merge to the left side.
A、Right
B、Wrong
Answer：A
19、When a motor vehicle passes over an inundated road, what should the driver do for safe driving?
A、Slow down and drive with special care
B、Speed up and pass rapidly
C、Maintain a normal speed and pass through
D、Change to a low gear and speed up to pass
Answer：A
20、When driving on an expressway, which of the following statements is correct?
A、Drives may overtake on either the ramp, the acceleration lane or the deceleration lane
B、Drives are prohibited from reversing, driving in the opposite direction or making a U turn by crossing the central dividing strip
C、Drivers may drive on the emergency lane in a non-emergency case
D、Drives may test a motor vehicle or learn to drive
Answer：B