1、After a traffic accident, what is the most effective measure to prevent secondary accidents?
A、Evacuate all passengers
B、Turn on the hazard lamps
C、Mark the original place of the injured persons
D、Properly place the danger warning sign
Answer：ABD
2、How should the driver use vehicle lights when the motor vehicle leaves a roundabout?
A、Turn on the left-turn indicator
B、Turn on the hazard lamps
C、No need to turn on any indicators
D、Turn on the right-turn indicator
Answer：D
3、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
4、When a motor vehicle enters an expressway from the ramp, which of the following lamps should be turned on?
A、The left-turn indicator
B、The right-turn indicator
C、The hazard warning lamp
D、The headlamp
Answer：A
5、If a motor vehicle experiences a "water sliding" phenomenon when running on an expressway in rain, what should the driver do?
A、Slow down by suddenly depressing the brake pedal
B、Slow down by slowly releasing the accelerator pedal
C、Turn the steering wheel immediately to adjust the direction
D、Speed up to increase the displacement of the wheels
Answer：B
6、When encountering this situation, which of the following is the correct way to overtake other vehicles?
A、Turn on high-beam
B、Use high-beam and low-beam alternatively
C、Turn on low-beam
D、Turning on hazard lamp
Answer：B
7、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：A
8、When a fast-moving vehicle encounters an emergency the driver should turn to evade first and then brake to slow down so as to mitigate the damage.
A、Right
B、Wrong
Answer：B
9、The driver should turn on the left-turn indicator after entering the acceleration lane on an expressway.
A、Right
B、Wrong
Answer：B
10、When a motor vehicle accidentally hits the guardrail of a highway, an effective protective measure is to turn dramatically in the opposite direction.
A、Right
B、Wrong
Answer：B
11、In which of the following ways can motor vehicles avoid a tire burst?
A、Lowering tire pressure
B、Checking tires regularly
C、Removing foreign matters from the tire tread grooves timely
D、Replacing the tires that have cracks or deep cuts
Answer：BCD
12、vehicles to pass an intersection marked with this sign?
A、Stopping and observing the traffic situation around the intersection
B、Approaching the intersection by speeding up
C、Approaching the intersection at a reduced speed
D、Observing the traffic situation on the left rear side
Answer：A
13、Which one of the following is the safest way when driving a motor vehicle on this road?
A、Cutting speed or stopping to yield
B、Driving along the center of the road
C、Keeping a normal speed
D、Approaching vehicles by taking the opposite lane
Answer：A
14、When a motor vehicle catches fire on the expressway the driver should drive the motor vehicle to the service area or the parking lot to extinguish the fire.
A、Right
B、Wrong
Answer：B
15、What should the driver do upon finding that one ofthe right tires is leaking while driving?
A、Brake swiftly to slow down
B、Brake slowly to slow down
C、Turn to the left side swiftly
D、Apply emergency braking
Answer：B
16、Rescue personnel should check the breath of the unconscious person before applying any other emergency treatment.
A、Right
B、Wrong
Answer：A
17、What should the driver do to ensure the motor vehicle passes the level crossing safely?
A、Change to neutral gear and slide over
B、Stop, look, and pass
C、Speed up, look and pass rapidly
D、Slow down, look and pass slowly
Answer：C
18、Drivers may go straight and pass through when traffic police give these hand signals
A、Right
B、Wrong
Answer：B
19、The sign on the right indicates an inspection station 100 meters ahead.
A、Right
B、Wrong
Answer：A
20、The leading cause of this accident is that the driver failed to make sure that it was safe to reverse before doing so.
A、Right
B、Wrong
Answer：A
21、When braking, side skid or tail swing may occur if the rear wheels are blocked.
A、Right
B、Wrong
Answer：A
22、What should the driver do when seeing these hand signals?
A、Go straight and pass through the intersection
B、Stop and wait
C、Turn right at the intersection
D、Turn left at the intersection
Answer：B
23、What should be checked before driving?
A、No parts need to be checked
B、Whether the tires have been cleaned
C、Where the spare tire is placed
D、The fastening and air pressure of tires
Answer：D
24、The sign on the right indicates left turn only at the intersection ahead.
A、Right
B、Wrong
Answer：A
25、When putting out a fire disaster that gives out corrosive steam or poisonous gas, the firefighters should wear gas masks and other related protective articles and operate from the windward side.
A、Right
B、Wrong
Answer：A