承德科目四英语pdf
1、When the tire pressure is too low, what can happen when driving at a high speed?
A. Tire pressure will be unstable
B. Tire pressure will increase
C. Driving resistance will decrease
D. The tire will burst
Answer:D
2、When rescuing a wounded person in coma causing by excessive blood loss, it is necessary to take measures to prevent heat loss.
A. Right
B. Wrong
Answer:A
3、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
4、What is the function of ABS during emergency braking?
A. Shortening the braking distance
B. Keeping steering capacity of the motor vehicle
C. Relief the braking inertia
D. Controlling directions automatically
Answer:B
5、When a wounded person suffering burns is thirsty he may drink a small quantity of lightly salty water.
A. Right
B. Wrong
Answer:A
6、How many kinds of law-breaking acts are displayed in flash 3?

A. One
B. Two
C. Three
D. Four
Answer:B
7、A motor vehicle should slow down and stop at this level crossing.

A. Right
B. Wrong
Answer:A
8、When a motor vehicle breaks down and has to be stopped on the highway, what should the driver do?
A. Set up a breakdown warning sign 150 meters behind the vehicle
B. Set up a breakdown warning sign 100 meters behind the vehicle
C. If it happens at night, turn on the clearance lamp and rear position lamp
D. Turn on the hazard lamps
Answer:ACD
9、When there is a sudden braking failure on a downhill road, in which ones of the following ways can drivers reduce speed?
A. Driving onto the emergency lane and reduce speed and stop there
B. Rubbing the vehicle body against the rocks or trees on roadside
C. Pulling up the handbrake first
D. Immediately changing to a low gear
Answer:ABD
10、The drivers, loaders and supercargoes responsible for dangerous chemicals transportation should all full understand the chemical characteristics, potential risks, features of the packaging containers and emergency measures for any unexpected accidents.
A. Right
B. Wrong
Answer:A
11、The motor vehicle may promptly overtake the vehicle in front from the left side in this situation.

A. Right
B. Wrong
Answer:B
12、If a driver finds there is no vehicle behind, he may change lanes without turning on the indicator.
A. Right
B. Wrong
Answer:B
13、When there is a braking failure on a downhill road, what should not be done by the driver?
A. Steering the motor vehicle to the uphill direction
B. Stopping the vehicle by rubbing the vehicle body against the rocks or trees on roadside
C. Driving to the emergency lane and stop the vehicle there
D. Pulling up the stopping brake or change the gear to two positions lower
Answer:D
14、Drivers are allowed to cross the broken and solid white line on the road when changing lanes or pulling over.

A. Right
B. Wrong
Answer:A
15、When encountering this situation on a mountainous road, motor vehicle drivers should overtake the vehicle in front by speeding up.

A. Right
B. Wrong
Answer:B
16、When two vehicles approach each other on a foggy day, what is the best method of safe driving?
A. Turn on the high-beam
B. Slowdown and maintain a large safety distance
C. Turn on the low-beam
D. Turn on the fog lamp
Answer:B
17、When a motor vehicle breaks down on an expressway and cannot be moved away from the driving lane, the driver may conduct emergency repairs on the driving lane.
A. Right
B. Wrong
Answer:B
18、Under such circumstances, motor vehicle drivers may sound the horn at the proper time and speed up to pass through.

A. Right
B. Wrong
Answer:B
19、When encountering such a situation, motor vehicle drivers should take the left lane.

A. Right
B. Wrong
Answer:B
20、If a motor vehicle is unable to drive in heavy fog on an expressway due to an accident, what should the driver do?
A. The driver and all passengers should promptly get off the motor vehicle from the left side door
B. Set up a warning sign 100 meters behind the vehicle in the oncoming direction
C. Turn on the hazard lamp and the high-beam
D. Stand in a safe place outside the guardrail
Answer:D