1、How many kinds of law-breaking acts are displayed in flash 4?
A、One
B、Two
C、Three
D、Four
Answer：C
2、When there is a braking failure on a downhill road, if there is no other alternative, the driver may rub the vehicle body against the rocks and trees on roadside to force the vehicle to slow down and stop.
A、Right
B、Wrong
Answer：A
3、Crossing the broken white line on the right edge of the road is allowed.
A、Right
B、Wrong
Answer：A
4、When the engine suddenly stalls on the road and cannot be restarted, the driver should pull over in a timely fashion and identify the cause of the stalling.
A、Right
B、Wrong
Answer：A
5、The sign on the right indicates the location of the highway emergency phone.
A、Right
B、Wrong
Answer：B
6、The right-front sign indicates a time-regulated pedestrian area.
A、Right
B、Wrong
Answer：A
7、Under such circumstances, what should motor vehicle drivers do?
A、Pass slowly at a lower speed
B、Speed up and pass
C、Continuously sound the horn and pass
D、Pass at a normal speed
Answer：A
8、When a wounded person suffering burns is thirsty, he should only drink plain boiled water.
A、Right
B、Wrong
Answer：B
9、What should the motor vehicle driver do when the motor vehicle encounters the crosswalk in thissituation?
A、Slow down and pass
B、Speed up and pass
C、Sound the horn and pass
D、Stop immediately
Answer：A
10、The sign on the left indicates vehicles are allowed to drive on the section ahead.
A、Right
B、Wrong
Answer：B
11、The sign on the right warns for children on the section ahead.
A、Right
B、Wrong
Answer：A
12、Motor vehicles are permitted to follow the guidance of the arrow in this picture and enter the lane of an expressway.
A、Right
B、Wrong
Answer：B
13、The signs on each side warn of changes in road alignment ahead.
A、Right
B、Wrong
Answer：A
14、A motor vehicle should not obstruct other vehicles when it enters the driving lane from an acceleration lane.
A、Right
B、Wrong
Answer：A
15、When encountering such a situation, the vehicles should cut speed or stop to yield as approaching each other.
A、Right
B、Wrong
Answer：A
16、When the wounded person is suffering main artery bleeding, where should the rescue personnel press by thumb to stop the bleeding?
A、The artery near the heart
B、The artery lower to the wound
C、The artery further from the heart
D、The artery in the center of the wound
Answer：A
17、This road marker indicates that the minimum speed for this road section is 60 km/hour.
A、Right
B、Wrong
Answer：B
18、Having driven a medium passenger vehicle (carrying 27 passengers) to the southern end of Qianling Village of Sidu Town, Mr Xu drove upslope but the vehicle slid backward and dropped from an 80-meter cliff, killing 11 people and injuring 7. Which of the following law-breaking acts did Mr Luo commit?
A、Fatigued driving
B、Drunk driving
C、Exceeding the carrying capacity of the passenger vehicle
D、Speeding
Answer：C
19、Mr. Qi drove a large bus with 28 passengers(capacit 55 people). When arriving at an intersection without any traffic signals from south to north at a speed of 50 kilometers per hour, the bus had a side collision with Mr. Li's heavy semi-trailer tractor (capacity 40 tons and carrying 55.2 tons) running from east to west. As a result of this accident, 12 people were killed and 17 injured. What are the main illegal acts in this case?
A、The bus carried more passengers than capacity
B、The bus exceeded the speed limit
C、The tractor carried more cargo than capacity
D、The driver of the tractor was inexperienced
Answer：BC
20、When passing this mountainous road, motor vehicle drivers should drive along the center of the road.
A、Right
B、Wrong
Answer：B
21、As shown in the flash, what should the motor vehicle driver do when encountering this situation?
A、Reserve a safe crosswise distance and cut speed
B、Keep a normal speed
C、Use the emergency brake when approaching
D、Speed up and pass rapidly
Answer：A
22、The diamond-shaped sign on the road indicates a crosswalk on the road ahead.
A、Right
B、Wrong
Answer：A
23、The sign on the right warns of no passing on either side of the road ahead.
A、Right
B、Wrong
Answer：B
24、What's the main impact of foggy weather on safe driving?
A、Easy to slide sideways
B、Low visibility
C、Increase the resistance
D、Widen the field of vision
Answer：B
25、When the rear wheels of a motor vehicle skid sideways on a muddy road, the driver should turn the steering wheel in the opposite direction of the side skid.
A、Right
B、Wrong
Answer：B