保山科目四英语书
1、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
2、Mr. Hao drove a heavy dump truck with 84.84 tons of cargo (truck allowing for 15.58 tons). When he drove on the No 262 provincial highway in Luanxian County, at the spot of 34 kilometers mark by 623 meters, his truck overturned onto the sideway after a rear-end collision with another truck in front carrying 45.85 tons of cargo(a truck allowing for 1.71 tons). As a result of this accident, 19 people were killed and 17 injured. What is the common illegal act of the two drivers?
A. Speeding
B. Overloaded
C. Fatigued driving
D. Driving after drinking
Answer：B
3、As shown in this picture, the intersection guide line is designed to help drivers make turns.
A. Right
B. Wrong
Answer：A
4、What should be given attention when setting off in this weather?
A. Turning on the high-beam
B. Turning on the front and rear fog lamps
C. Turning on the left indicator only
D. Continuously sounding the horn
Answer：B
5、Turning on the high-beam is an effective way to improve visibility in fog weather.
A. Right
B. Wrong
Answer：B
6、When rescuing a wounded person who has been poisoned by toxic gas, which of the following measures should be taken first?
A. Prevent heat loss
B. Bring him to a place with fresh air
C. Give him artificial respiration
D. Depress the heart over the chest
Answer：B
7、Under such circumstances, the motor vehicle driver should voluntarily reduce speed and let the vehicle behind overtake.
A. Right
B. Wrong
Answer：A
8、The sign in front indicates that vehicles except large passenger vehicles are not allowed to drive on the right lane.
A. Right
B. Wrong
Answer：B
9、If a motor vehicle deviates from the straight direction due to steering failure, what should be done by the driver in order to reduce speed and stop the vehicle as soon as possible?
A. Gently depressing the brake pedal
B. Pulling up the handbrake
C. Immediately changing to a low gear to reduce speed
D. Decisively and continuously depressing and releasing the brake pedal
Answer：D
10、Which of the following is an inflammable solid material?
A. Matches
B. Gun powder
C. Calcium carbide
D. Explosives
Answer：A
11、For a temporary stop on a foggy day, the driver should only turn on the fog lamp and the low-beam
A. Right
B. Wrong
Answer：B
12、The cross-hatched marking indicates an area where vehicle drivers are not allowed to stop.
A. Right
B. Wrong
Answer：A
13、The driver should speed up to 40 kilometers per hour when he sees this traffic sign.
A. Right
B. Wrong
Answer：B
14、When a motor vehicle encounters an emergency on an expressway, the driver should not swiftly turn the steering wheel to evade.
A. Right
B. Wrong
Answer：A
15、When the engine suddenly stalls on the road and cannot be restarted, the driver should apply emergency braking to force the vehicle to stop as fast as possible.
A. Right
B. Wrong
Answer：B
16、Where is the proper parking place for breakdown motor vehicles stopping for examination?
A. In the far outer lane
B. In the inner lane
C. In the emergency lane
D. Entrance area of the ramp
Answer：C
17、When driving on the expressway in a heavy rain, what should the driver do to avoid water sliding phenomenon?
A. Install slide-proof devices
B. Speed up
C. Slow down
D. Continue to depress the brake
Answer：C
18、When encountering such a situation, the vehicles should cut speed or stop to yield as approaching each other.
A. Right
B. Wrong
Answer：A
19、When driving on a road covered with ice and snow, drivers tend to encounter glare caused by reflection of light rays from the road surface.
A. Right
B. Wrong
Answer：A
20、Drivers should drive at a lower speed when traffic police give these hand signals.
A. Right
B. Wrong
Answer：A