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、Under such circumstances, what should be done by the motor vehicle driver?
A、Overtaking the vehicle in front on its left
B、Overtaking by occupying the opposite lane
C、Overtaking the vehicle in front on its right
D、Following the vehicle in front
Answer：D
3、Drivers may go straight and pass through when traffic police give these hand signals.
A、Right
B、Wrong
Answer：B
4、A driver should accelerate in advance to overtake then it is likely to meet with oncoming vehicles.
A、Right
B、Wrong
Answer：B
5、The signs on each side warn of changes in road alignment ahead.
A、Right
B、Wrong
Answer：A
6、The sign on the right indicates a one-kilometer distance from ETC toll station ahead.
A、Right
B、Wrong
Answer：B
7、The sign on the right side warns of an abrupt downhill section ahead.
A、Right
B、Wrong
Answer：B
8、When a wounded person is unable to get off the vehicle by himself/herself, he/she should be removed from the vehicle so as to avoid a secondary injury.
A、Right
B、Wrong
Answer：A
9、What's the emergency measure to deal with a sudden tire burst on the road?
A、Swiftly braking to slow down
B、Firmly hold the steering wheel and steadily stop the vehicle as early as possible
C、Swiftly turn the steering wheel to adjust the direction
D、Go ahead at a low speed and find a place for tire change
Answer：B
10、If a motor vehicle is unable to drive in heavy fog on an expressway due to an accident, what should the driver do?
A、The driver and all passengers should promptly get off the motor vehicle from the left side door
B、Set up a warning sign 100 meters behind the vehicle in the oncoming direction
C、Turn on the hazard lamp and the high-beam
D、Stand in a safe place outside the guardrail
Answer：D
11、vehicles to pass an intersection marked with this sign?
A、Stopping and observing the traffic situation around the intersection
B、Approaching the intersection by speeding up
C、Approaching the intersection at a reduced speed
D、Observing the traffic situation on the left rear side
Answer：A
12、Under such circumstances, motor vehicle drivers may sound the horn at the proper time and speed up to pass through.
A、Right
B、Wrong
Answer：B
13、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
14、The sign on the right indicates that sounding the horn is prohibited here.
A、Right
B、Wrong
Answer：B
15、When a motor vehicle encounters thick fog on an expressway and the visibility is poor, the driver should immediately brake and stop.
A、Right
B、Wrong
Answer：B
16、The sign on the right warns drivers to yield for oncoming motor vehicles.
A、Right
B、Wrong
Answer：B
17、Motor vehicles can turn right when driving into an intersection with this traffic signal.
A、Right
B、Wrong
Answer：A
18、When a motor vehicle turns left at this intersection the driver should change to the left lane in advance by the guide arrow.
A、Right
B、Wrong
Answer：A
19、What should the driver do when a motor vehicle encounters this situation on a mountain road?
A、Stick to respective lanes and speed up to approach each other
B、Drive close to the central line of the road
C、Retain the normal speed
D、Slow down
Answer：D
20、When the vehicle engine catches fire, what should the driver do first?
A、Turn off the engine as soon as possible
B、Extinguish the fire with water
C、Open the hood to extinguish the fire
D、Extinguish the fire from the leeward direction
Answer：A