商洛驾考英语版科目四
1、The sign on the right indicates a bypass route at the intersection ahead.
A. Right
B. Wrong
Answer：A
2、When a motor vehicle passes over an overflowing bridge, what should the driver do after stopping and observing closely?
A. Change to a high gear and pass rapidly
B. Constantly observe the changes of the flow
C. Prepare to stop at any time
D. Change to a low gear and pass through at a constant speed
Answer：D
3、When rescuing a wounded person who has been poisoned by toxic gas, the first measure is to send him to a place with fresh air so that he will not continue to be poisoned.
A. Right
B. Wrong
Answer：A
4、What should the driver do upon finding a burst rear tire?
A. Adjust by swiftly turning the steering wheel
B. Control the direction while reducing speed slowly
C. Swiftly turn the steering wheel to the opposite direction
D. Swiftly take braking measures
Answer：B
5、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
6、When there is a sudden braking failure on a downhill road, what should be done by the driver?
A. Driving to an emergency lane and reducing speed to stop
B. Dropping the gear by two positions
C. Changing to the reverse gear to force the vehicle to stop
D. Reducing speed by pulling up the handbrake
Answer：A
7、The sign on the right warns for children on the section ahead.
A. Right
B. Wrong
Answer：A
8、What should motor vehicle drivers do under such circumstances at night?
A. Turn off the headlamp when approaching
B. Use low-beam
C. Use high-beam
D. Turn off all lamps in advance
Answer：B
9、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
10、The sign on the right warns of a one-way tunnel ahead.
A. Right
B. Wrong
Answer：B
11、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
12、The sign on the right warns of a wildlife protection area ahead.
A. Right
B. Wrong
Answer：B
13、When going straight or turning right, drivers are not allowed to drive on or across the guide lines on both sides of the intersection.
A. Right
B. Wrong
Answer：A
14、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
15、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
16、When a tire suddenly bursts on the road, in which of the following ways can motor vehicle drivers keep safe?
A. Applying emergency braking and pulling over
B. Firmly holding the steering wheel and keeping the vehicle going straight
C. Immediately releasing the accelerator pedal
D. Gently depressing the brake pedal
Answer：BCD
17、When an erosive material catches fire, it should not be put out with water cannon.
A. Right
B. Wrong
Answer：A
18、The sign in front indicates that vehicles except public buses are not allowed to drive in this lane.
A. Right
B. Wrong
Answer：A
19、The cross-hatched marking indicates an area where vehicle drivers are allowed to stop and wait.
A. Right
B. Wrong
Answer：B
20、The sign indicates no overtaking on the section ahead.
A. Right
B. Wrong
Answer：B