商洛科目四英语电子版
1、What does this sign on the fly-over junction indicate?
A. Turn right
B. Drive straight or turn left
C. Drive straight or turn right
D. Take a U-turn under bridge
Answer：B
2、The sign in front indicates an indoor parking ground 100 meters ahead.
A. Right
B. Wrong
Answer：A
3、Under such circumstances, the motor vehicle driver should voluntarily reduce speed and let the vehicle behind overtake.
A. Right
B. Wrong
Answer：A
4、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
5、When the fuel of a motor vehicle catches fire, which of the following things cannot be used to put out the fire?
A. Sandy soil on the roadside
B. Cotton-padded clothes
C. Overalls
D. Water
Answer：D
6、The drivers, loaders and supercargoes responsible for dangerous chemicals transportation should all full understand the chemical characteristics, potential risks, features of the packaging containers and emergency measures for any unexpected accidents.
A. Right
B. Wrong
Answer：A
7、When rescuing a wounded person in coma causing by excessive blood loss, it is necessary to take measures to prevent heat loss.
A. Right
B. Wrong
Answer：A
8、When following a vehicle on the road, the distance from the vehicle in front is not important. As long as the driver goes forward at the same speed as the vehicle in front does, he can avoid a rear-end collision.
A. Right
B. Wrong
Answer：B
9、Once inflammable gas causes a fire disaster, it should be put out with water in good time.
A. Right
B. Wrong
Answer：B
10、Under such circumstances, the driver should stop the vehicle and yield to pedestrians.
A. Right
B. Wrong
Answer：A
11、Crossing the broken white line on the right edge of the road is allowed.
A. Right
B. Wrong
Answer：A
12、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
13、When a tire bursts suddenly on the road, the driver should refrain from violently depressing the brake pedal in panic. Instead, he should try his best to change to a low gear and use engine braking to reduce the speed of the vehicle.
A. Right
B. Wrong
Answer：A
14、The sign on the left indicates vehicles are allowed to drive on the section ahead.
A. Right
B. Wrong
Answer：B
15、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
16、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
17、What should the driver do when he sees this sign on the road?
A. Use emergency braking
B. Slow down and take a look
C. Sound the horn intermittently
D. Prepare to bypass
Answer：B
18、At 13: 10 pm, Mr. Luo set out in his medium bus from 0 km mark on the highway, and by 14: 10 had passed the 125km mark by 200 meters, he caused a rear-end collision with a motor vehicle that ran into the side slope on the southwest side, killing 11 people and injuring 2. Which of the following law-breaking acts did Mr. Luo commit?
A. Speeding
B. Driving not in accordance with traffic markings
C. Exceeding carrying capacity
D. Fatigued driving
Answer：A
19、Mr. Shi drove a low-speed cargo vehicle (capacity 1.2 tons)with 4.05 tons of cargo. At the spot of 51 kilometers mark by 260 meters on the No. 314 County Road in Ningjin County, the cargo vehicle had a head-on collision with a normally running midsize bus( capacity 11 people and carrying12) from the opposite direction after passing the central line of the road and overtaking the front vehicle in the same direction. As a result of this accident, 10 people were killed and 2 injured. What are the illegal acts in this case?
A. The cargo vehicle carried more cargo than capacity
B. The cargo vehicle illegally overtook other vehicles
C. The bus carried more passengers than capacity
D. The driver of the bus kept driving when tired
Answer：ABC
20、The main impact of muddy roads on safe driving is that the wheels may easily spin and skid
A. Right
B. Wrong
Answer：A