保山科目四英语书
1、When extinguishing a fire, the driver should refrain from breathing through mouth or crying loudly Otherwise, the fire and smoke will scorch the upper respiratory tract.
A. Right
B. Wrong
Answer：A
2、The sign on the right warns of children on the section ahead.
A. Right
B. Wrong
Answer：B
3、After a motor vehicle falls into water, the driver should immediately close the windows to prevent water from flowing into the compartment and to keep the air from flowing out. At the same time, he/she should make calls to tell the rescue personnel the place of the accident and wait for their arrival.
A. Right
B. Wrong
Answer：B
4、In this driving condition, drivers should turn on the high-beam when setting off.
A. Right
B. Wrong
Answer：B
5、When a fast-moving vehicle is likely to collide with the vehicle in front, what should the driver do?
A. Brake to reduce speed first, and then steer to evade
B. Turn the steering wheel quickly to the left side to evade
C. Turn the steering wheel quickly to the right side to evade
D. Steer to evade first, and then brake to reduce speed
Answer：A
6、The sign on the right indicates that sounding the horn is prohibited here.
A. Right
B. Wrong
Answer：B
7、What should the driver do when the motor vehicle passes a flyover?
A. Speed up and pass rapidly
B. Keep the speed under 15 km/hour
C. Drive at the speed indicated by the traffic sign
D. Drive close to the central line of the flyover
Answer：C
8、The sign on the right warns of a non-motor vehicle lane.
A. Right
B. Wrong
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 in front indicates an open-air parking lot with rest area is 200 meters ahead.
A. Right
B. Wrong
Answer：A
11、When parking temporarily in this situation, motor vehicle drivers are allowed to turn the steering wheel left to avoid sliding.
A. Right
B. Wrong
Answer：A
12、When a motor vehicle breaks down on a mountain road, what should the driver do?
A. Park on a downhill section
B. Park on an uphill section
C. Park on a gentle section of the mountain road
D. Park on the crest of a slope
Answer：C
13、If a motor vehicle misses an exit on the expressway, the driver may reverse along the road shoulder.
A. Right
B. Wrong
Answer：B
14、The sign on the right indicates an ETC lane at toll station ahead.
A. Right
B. Wrong
Answer：A
15、When the motor vehicle stops on a downhill section how should the driver use the foot brake?
A. Earlier than on a level road
B. Later than on a level road
C. As timely as on a level road
D. Gently depress the foot brake pedal
Answer：A
16、Motor vehicle drivers don?ˉt need to fasten their seatbelt
A. Right
B. Wrong
Answer：B
17、The guide arrow on the road surface of this lane indicates that U-turns and left turns are permitted at the intersection ahead.
A. Right
B. Wrong
Answer：A
18、The sign above the tunnel indicates a height limit of 3.5 meters on the road ahead.
A. Right
B. Wrong
Answer：A
19、Which of the following is an inflammable solid material?
A. Matches
B. Gun powder
C. Calcium carbide
D. Explosives
Answer：A
20、When parking temporarily on a snowy day, drivers should turn on the headlamp and fog lamp.
A. Right
B. Wrong
Answer：B