1、In which ones of the following ways can motor vehicle drivers effectively prevent braking failure?
A、Maintaining the braking system periodically
B、Checking the free brake pedal travel before driving
C、Using the braking system correctly to avoid brake-fade
D、For vehicles with hydraulic braking system, checking if the brake fluid leaks before driving
Answer：ABCD
2、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
3、When extinguishing a fire, the driver should refrain from breathing through mouth or crying loudly Otherwise, the fire and smoke will scorch the upper respiratory tract.
A、Right
B、Wrong
Answer：A
4、Which of the following measures should be taken first when rescuing a wounded person suffering blood loss?
A、Observe
B、Dress the wounds
C、Stop bleeding
D、Inquire
Answer：C
5、When a wounded person suffering burns is thirsty he/she may drink a small quantity of lightly salty water.
A、Right
B、Wrong
Answer：A
6、When driving on a muddy road, what should drivers do if the wheels spin and slide?
A、Cover the ground under the wheels with gravels
B、Change to a high gear and speed out
C、Cover the ground under the driving wheels with gravels
D、Violently turn the steering wheel and suddenly leed up
Answer：C
7、When approaching motor vehicles ahead running at a normal speed on the highway, drivers behind may find a chance and weave through them swiftly.
A、Right
B、Wrong
Answer：B
8、What should the driver do to follow other motor vehicles on a mountain road?
A、Closely follow the vehicle in front
B、Increase the safety distance
C、Reduce the vertical distance between vehicles
D、Try to overtake the vehicle in front as soon as possible
Answer：B
9、The sign on the right indicates that no long-sounding horn.
A、Right
B、Wrong
Answer：B
10、When finding a tire suddenly burst on the road, the driver should firmly hold the steering wheel with both hands to ensure the vehicle goes straight.
A、Right
B、Wrong
Answer：A
11、The sign in front indicates a one-kilometer distance from the next left exit.
A、Right
B、Wrong
Answer：B
12、The sign in front indicates that vehicles except public buses are not allowed to drive in this lane.
A、Right
B、Wrong
Answer：A
13、The sign in front indicates that the highway entry is on the right side of the road.
A、Right
B、Wrong
Answer：B
14、When the tire pressure is too low, what will happen if the tire changes its shape in waves and increases in temperature due to fast movement?
A、Unstable tire pressure
B、Even lower tire pressure
C、Driving resistance increases
D、Tire burst
Answer：D
15、The marking on the road surface indicates that the speed limit of this road section is 80 km/hour.
A、Right
B、Wrong
Answer：B
16、The sign on the right indicates that the speed limit is 50km/hour.
A、Right
B、Wrong
Answer：B
17、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
18、When finding a tire burst on the road, the driver should gently depress the brake pedal, reduce speed and stop the vehicle slowly.
A、Right
B、Wrong
Answer：A
19、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
20、The broken white line rectangle area on the right side of the road indicates that long stopping is permitted here.
A、Right
B、Wrong
Answer：B