保山科目四英语书
1、Mr. Zhao (with an A2 driving license) drove a large sleeper coach on the No. 219 National Road in Yecheng County. When passing a curve at the spot of 226 kilometers mark by 215 meters on the road, the coach fell into the ravine on one side, killing16 people and injuring 26. What is the main illegal act committed by Mr. Zhao?
A. Carrying more passengers than permitted
B. Driving a motor vehicle having failed to accept inspection in time
C. Driving an unpermitted vehicle type
D. Fatigued driving
Answer：C
2、Rescue personnel should check the breath of the unconscious person before applying any other emergency treatment.
A. Right
B. Wrong
Answer：A
3、When the tire pressure is too low, what will happen if the tire changes its shape in waves and increases in temperature due to fast movement?
A. Unstable tire pressure
B. Even lower tire pressure
C. Driving resistance increases
D. Tire burst
Answer：D
4、The sign above the tunnel indicates a height limit of 3.5 meters on the road ahead.
A. Right
B. Wrong
Answer：A
5、When driving on a damp and slippery road, drivers should avoid using the emergency brake to his best ability.
A. Right
B. Wrong
Answer：A
6、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
7、When encountering this situation in a residential area the driver should sound the horn continuously.
A. Right
B. Wrong
Answer：B
8、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
9、The sign on the right warns of a village or town ahead suggesting a 30km/hour speed.
A. Right
B. Wrong
Answer：A
10、Motor vehicle drivers may reverse at an intersection.
A. Right
B. Wrong
Answer：B
11、The sign on the right indicates to stop and yield at the intersection ahead.
A. Right
B. Wrong
Answer：A
12、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
13、A motor vehicle should slow down and stop at this level crossing.
A. Right
B. Wrong
Answer：A
14、The sign on the left indicates the destinations of two highway directions
A. Right
B. Wrong
Answer：A
15、When there is bleeding at the bone fracture of a wounded person, the first thing to do is to fix the wounded part in position, then stop the bleeding and dress the wound.
A. Right
B. Wrong
Answer：B
16、The sign on the right side warns of an abrupt downhill section ahead.
A. Right
B. Wrong
Answer：B
17、The sign on the right warns of a danger from rockfall on the left side.
A. Right
B. Wrong
Answer：A
18、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
19、Matches, sulfur and red phosphorus belong to which of the following dangerous chemicals?
A. Explosives
B. Oxidizing materials
C. Self-igniting articles
D. Inflammable solid materials
Answer：D
20、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