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、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
3、The guide arrow on the road surface of this lane indicates that only left turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：A
4、The sign on the right indicates an ETC lane at toll station ahead.
A、Right
B、Wrong
Answer：A
5、The sign in the red circle indicates that the left road is only for small vehicles.
A、Right
B、Wrong
Answer：B
6、What should the driver do when the motor vehicle passes a flyover?
A、Speed up and pass rapidly
B、Keep the speed under 15 km/hour
C、Drive at the speed indicated by the traffic sign
D、Drive close to the central line of the flyover
Answer：C
7、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
8、what should motor vehicle drivers do under the circumstances shown in the flash?
A、Reduce speed or stop to yield
B、Sound the horn to warn the pedestrians to yield
C、Pass before the pedestrians
D、Immediately change to another lane to bypass the pedestrians
Answer：A
9、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
10、Motor vehicles should accelerate when driving into an intersection with this traffic signal.
A、Right
B、Wrong
Answer：B
11、The sign on the right warns of a continuous downhill section ahead.
A、Right
B、Wrong
Answer：B
12、When a motor vehicle breaks down and cannot be moved away from the expressway, the driver and all passengers should stay in the vehicle and wait for the rescue personnel.
A、Right
B、Wrong
Answer：B
13、What should be done by the driver who intends to overtake but the motor vehicle in front neither reduces its speed nor allows the right of way?
A、Continuously sounding the horn and accelerating to overtake
B、Accelerating and continuing to overtake
C、Refraining from overtaking
D、Following the vehicle in front closely and finding a chance to overtake
Answer：C
14、After setting off from the roadside, motor vehicle drivers should speed up as soon as possible and make a sharp left-turn in order to drive into the normal lane.
A、Right
B、Wrong
Answer：B
15、Drivers may go straight and pass through when traffic police give these hand signals.
A、Right
B、Wrong
Answer：B
16、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
17、When approaching another vehicle at night, why should the driver alternate between high-and-low-beam at a distance more than 150 meters?
A、Warn each other before passing
B、Driving habit
C、Easy to observe the situation ahead from either side
D、Courtesy
Answer：C
18、The slow-down-and-yield line at the intersection ahead indicates that vehicle drivers should stop and give the right of way to vehicles on the trunk road.
A、Right
B、Wrong
Answer：B
19、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
20、Before driving, it is necessary to check whether the cooling liquid, engine oil and fuel oil, are leaking.
A、Right
B、Wrong
Answer：A