昌都英语科目四试题和答案
1、Gun powder, explosives and detonating powder belong to which of the following dangerous chemicals?
A. Oxidizing materials
B. Inflammable solid materials
C. Explosives
D. Self-igniting articles
Answer：C
2、The sign on the right warns of an embankment road 200 meters ahead.
A. Right
B. Wrong
Answer：A
3、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
4、When approaching another vehicle at night, why should the driver alternate between high-and-low-beam at a distance more than 150 meters?
A. Warn each other before passing
B. Driving habit
C. Easy to observe the situation ahead from either side
D. Courtesy
Answer：C
5、The leading cause of this accident is that the driver failed to make sure that it was safe to reverse before doing so.
A. Right
B. Wrong
Answer：A
6、What kind of harmful effect will be brought about by continuously using the foot brake on a long downhill road?
A. Shorten the engine?ˉs service life
B. Make the driver feel tired
C. Easily cause the vehicle to overturn
D. Reduce the braking efficiency
Answer：D
7、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
8、For evading an emergency on an expressway, which of the following principles should drivers stick to?
A. Evading vehicles first and objects later
B. Evading people first and objects later
C. Evading vehicles first and people later
D. Evading objects first and people later
Answer：B
9、When fixing the unexposed bones in position, it is necessary to exceed the upper and lower joints of the wounded body part.
A. Right
B. Wrong
Answer：A
10、The broken yellow line in the center of the road indicates that bypassing by crossing the line is prohibited in any condition.
A. Right
B. Wrong
Answer：B
11、When a motor vehicle enters an expressway from the ramp, which of the following lamps should be turned on?
A. The left-turn indicator
B. The right-turn indicator
C. The hazard warning lamp
D. The headlamp
Answer：A
12、What should be done by the driver who intends to overtake but finds that the vehicle in front is also overtaking?
A. Following the vehicle in front closely and finding a chance to overtake it
B. Accelerating to overtake forcefully
C. Continuously sounding the horn to urge the vehicle in front to yield
D. Refraining from overtaking and letting the vehicle in front overtake first
Answer：D
13、Which of the following acts are prohibited when passing through a tunnel?
A. Overtaking
B. Stopping
C. Making a U-turn
D. Reversing
Answer：ABCD
14、When driving in rain and encountering pedestrians with umbrellas or wearing raincoats, what should be done by motor vehicle drivers in order to yield?
A. Drive at a normal speed
B. Sound the horn to alert when approaching the pedestrians
C. Speed up and bypass on the left
D. Reduce speed and sound the horn in advance
Answer：D
15、When rescuing a wounded person suffering from spinal fracture, which of the following measures should be taken?
A. Prevent heat loss
B. Rescue the wounded person with a soft stretcher
C. Keep the wounded part in position with a sling
D. Help the wounded person when walking
Answer：C
16、When a wounded person suffering bone fracture in the thigh, shank or spine, moving the wounded person is usually prohibited.
A. Right
B. Wrong
Answer：A
17、When driving on a long downhill road, which is the best way to control the speed?
A. Coast in neutral gear
B. Take a low gear
C. Depress the clutch
D. Pull up the handbrake
Answer：B
18、When such circumstances happen suddenly, drivers should reduce speed in a timely fashion or stop to yield.
A. Right
B. Wrong
Answer：A
19、Under such circumstance at an intersection. motor vehicle drivers should be prepared to stop and yield at any time.
A. Right
B. Wrong
Answer：A
20、When a motor vehicle encounters thick fog on an expressway and the visibility is poor, the driver should immediately brake and stop.
A. Right
B. Wrong
Answer：B