拉萨英文驾考科目四
1、How to ensure motor vehicles have sufficient power when driving uphill?
A. Downshift before reducing speed
B. Downshift after reducing speed
C. Downshift when the speed is excessively low
D. Downshift to the fullest extent
Answer：A
2、The signs on each side warn of changes in road alignment ahead.
A. Right
B. Wrong
Answer：A
3、Which of the following is an inflammable solid material?
A. Matches
B. Gun powder
C. Calcium carbide
D. Explosives
Answer：A
4、The driver should drive on the left in this kind of tunnel.
A. Right
B. Wrong
Answer：B
5、Which of the following measures is correct for rescuing a person sustaining full-body burns?
A. Cover the fire with sandy soil
B. Spray cool water to his body
C. Put out the fire by extinguisher
D. Help to remove the burning clothes
Answer：B
6、A motor vehicle may stop and yield if it encounters any problem when changing to the driving lane from an acceleration lane.
A. Right
B. Wrong
Answer：B
7、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
8、When finding a tire burst on the road, the driver should use emergency braking while controlling the direction of the vehicle at the same time to stop the vehicle quickly.
A. Right
B. Wrong
Answer：B
9、When driving on a muddy road, the driver should hold the steering wheel firmly and speed up to pass through.
A. Right
B. Wrong
Answer：B
10、When driving, besides paying attention to keeping a safe distance from the vehicle in front, drivers should also be prudent when braking so as to avoid a rear-end collision caused by a vehicle behind.
A. Right
B. Wrong
Answer：A
11、Rescue personnel should check the breath of the unconscious person before applying any other emergency treatment.
A. Right
B. Wrong
Answer：A
12、Under such circumstances, what should be done by the motor vehicle driver?
A. Reducing speed to give the right of way to the non-motor vehicle
B. Continuously sounding the horn to warn the vehicle in front to yield
C. Bypassing on the left of the non-motor vehicle
D. Accelerating to overtake by occupying the opposite lane
Answer：A
13、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
14、Under such circumstances, motor vehicles are allowed to cross the central solid line to overtake.
A. Right
B. Wrong
Answer：B
15、The sign on the right warns of an unguarded railway intersection ahead.
A. Right
B. Wrong
Answer：B
16、What should a driver do before entering a tunnel on an expressway
A. Turn on the high-beam
B. Turn on the width lamp and the tail lamp
C. Turn on the low-beam
D. Sound the horn before entering the tunnel
Answer：C
17、Once inflammable gas causes a fire disaster, it should be put out with water in good time.
A. Right
B. Wrong
Answer：B
18、When encountering a road like this, motor vehicle drivers may make good use of neutral gear to coast.
A. Right
B. Wrong
Answer：B
19、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
20、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