商丘科目四英语电子版
1、How will the adhesive force of road change when speed increases on a damp and slippery road?
A. Increase sharply
B. Increase gradually
C. decrease sharply
D. No change
Answer：C
2、The sign on the right warns for disabled people ahead.
A. Right
B. Wrong
Answer：A
3、Which is the wrong measure to avoid tire burst?
A. Reduce tire pressure
B. Check tires regularly
C. Remove foreign matters from the tire tread grooves timely
D. Replace tires that have cracks or deep cuts
Answer：A
4、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
5、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
6、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
7、What should motor vehicle drivers do under the circumstance shown in the flash?
A. Drive by borrowing the opposite lane
B. Brake suddenly and pass through at a lower speed
C. Drive by the outer side of the curve
D. Reduce speed fully and drive by the right side
Answer：D
8、What should motor vehicle drivers do when going straight and passing through the intersection ahead?
A. Reduce speed when approaching the intersection
B. Reduce speed after entering the intersection
C. May pass through the intersection without speed reduction
D. Accelerate in advance to pass through the intersection
Answer：A
9、The sign on the right warns of a dangerous mountainside road on the left of the road ahead.
A. Right
B. Wrong
Answer：B
10、How should lamps be used when motor vehicle drivers pass through a two-way tunnel?
A. Turn on the hazard lamps
B. Turn on the high-beam
C. Turn on the fog lamp
D. Turn on the low-beam
Answer：D
11、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
12、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
13、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
14、The guide arrow on the road surface of this lane indicates that drivers are only permitted to continue straight at the intersection ahead.
A. Right
B. Wrong
Answer：A
15、Under such circumstances, what should the motor vehicle driver do?
A. Reduce speed and yield by the left side
B. Reduce speed and yield by the right side
C. Speed up and yield by the left side
D. Go ahead along the original route
Answer：A
16、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
17、The sign on the right indicates left turn only at the intersection ahead.
A. Right
B. Wrong
Answer：A
18、What should the driver do if he encounters this situation at the intersection when driving straight?
A. Sound the horn to warn the other vehicle to yield
B. Speed up and pass in the front of the vehicle
C. Turn on the headlamp to warn the other vehicle to yield
D. Slow down or stop to yield
Answer：D
19、When approaching a vehicle on a narrow slope, which one of the following ways is correct?
A. The descending vehicle yields to the ascending
B. The vehicle which is further from the slope crest should yield
C. The ascending vehicle yields to the descending
D. If the descending vehicle has reached the midpoint while the ascending vehicle has not yet set out, the descending vehicle must yield.
Answer：A
20、vehicles may stop temporarily in this area.
A. Right
B. Wrong
Answer：B