1、One day, Mr. Yang drove a large bus with 57 passengers(bus capacity 55 people)from 7 pm to 1 am the following morning. At the spot of 3008 kilometers mark by 110 meters on the No. 050 National Road in Jin Chengjiang District, the bus had a malignant traffic accident caused by front left tire burst, killing12 people and injuring 22. What's the main illegal act committed by Mr Yang?
A、Fatigued driving
B、Carrying more passengers than permitted
C、Speeding
D、Misoperation
Answer：AB
2、When a motor vehicle moves through water, the driver should try to maintain a constant speed and sufficient power and pass through without stopping.
A、Right
B、Wrong
Answer：A
3、When driving on a foggy day, the driver should turn on the fog lamp.
A、Right
B、Wrong
Answer：A
4、Which of the following measures is incorrect when a motor vehicle stops?
A、Stop at a stipulated place
B、Avoid stopping on pedestrian streets
C、Avoid obstructing the passing of other motor vehicles and pedestrians when temporarily stops on the road
D、Stop on the non-motor vehicle lane
Answer：D
5、When driving a motor vehicle equipped with power steering, the driver should firmly hold the steering wheel and drive slowly if he/she suddenly finds that steering is difficult.
A、Right
B、Wrong
Answer：B
6、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
7、The sign on the right warns of a village or town ahead suggesting a 30km/hour speed.
A、Right
B、Wrong
Answer：A
8、It is correct for the driver to drive on an expressway in the way shown in the flash.
A、Right
B、Wrong
Answer：B
9、This sign warns to bypass from the right side to avoid the roadblock.
A、Right
B、Wrong
Answer：B
10、The sign on the right warns of a sharp winding road ahead.
A、Right
B、Wrong
Answer：B
11、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
12、As shown in the flash, what should the driver do when the motor vehicle encounters this situation?
A、Speed up and pass rapidl
B、Stop immediately
C、Sound the horn to indicate the pedestrians to yield
D、Observe the movement of pedestrians and non-motor vehicles before passing
Answer：D
13、The sign on the left indicates vehicles are allowed to drive on the section ahead.
A、Right
B、Wrong
Answer：B
14、When a motor vehicle breaks down and cannot be moved away from the emergency lane or the road shoulder, the driver and all passengers should get off the vehicle and wait on the road side instead of leaving the expressway.
A、Right
B、Wrong
Answer：B
15、Which is the wrong measure to avoid tire burst?
A、Reduce tire pressure
B、Check tires regularly
C、Remove foreign matters from the tire tread grooves timely
D、Replace tires that have cracks or deep cuts
Answer：A
16、Drivers may go ahead when traffic polices posture is like this.
A、Right
B、Wrong
Answer：A
17、Motor vehicles are not permitted to change lanes in this position.
A、Right
B、Wrong
Answer：A
18、The sign on the right warns of a guarded crossing 150 meters ahead.
A、Right
B、Wrong
Answer：B
19、How should lamps be used when motor vehicle drivers pass through a two-way tunnel?
A、Turn on the hazard lamps
B、Turn on the high-beam
C、Turn on the fog lamp
D、Turn on the low-beam
Answer：D
20、This sign indicates the traffic broadcast and radio television channel of highway.
A、Right
B、Wrong
Answer：B