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 bicycle occupies the motor vehicle lane and obstructs the traffic, the driver should sound the horncontinuously and speed up to bypass on the left of the bicycle.
A、Right
B、Wrong
Answer：B
3、When driving a motor vehicle not equipped with the anti-lock braking system(ABS), what should the driver do if he/she brakes on a road covered by ice and snow?
A、Gently or intermittently depress the brake pedal
B、Depress the brake pedal as on other roads
C、Violently depress the brake pedal
D、Suddenly depress the pedal with force
Answer：A
4、When putting out a fire disaster that gives out corrosive steam or poisonous gas, the firefighters should wear gas masks and other related protective articles and operate from the windward side.
A、Right
B、Wrong
Answer：A
5、The driver should pay attention to the left side when the motor vehicle passes this intersection.
A、Right
B、Wrong
Answer：B
6、Under such circumstances, motor vehicles are not allowed to overtake.
A、Right
B、Wrong
Answer：A
7、When encountering such a situation, motor vehicle drivers should take the left lane.
A、Right
B、Wrong
Answer：B
8、The diamond-shaped sign on the road indicates a crosswalk on the road ahead.
A、Right
B、Wrong
Answer：A
9、When driving a motor vehicle into a traffic flow, drivers should not hold up other vehicles.
A、Right
B、Wrong
Answer：A
10、The sign on the right warns that the road will narrow over the next 5 kilometers.
A、Right
B、Wrong
Answer：A
11、The circle in the center of the intersection indicates that drivers should drive along the inner side when making a small left turn.
A、Right
B、Wrong
Answer：A
12、The sign in front indicates the distance to highway destination.
A、Right
B、Wrong
Answer：B
13、The sign on the right indicates that sounding the horn is prohibited here.
A、Right
B、Wrong
Answer：B
14、Under such circumstances, what should be done by the motor vehicle driver who has been overtaken?
A、Sounding the horn to warn the vehicle that overtook
B、Reducing speed or pulling over by the right side
C、Protesting by turning on the high-beam
D、Catching up with and overtaking the vehicle that overtook, and offering admonitions
Answer：B
15、When disembarking, what should be done by drivers in order to keep safe?
A、Opening the door and disembarking immediately after stopping
B、Observing the traffic situation ahead
C、Opening the door first and then observing the situation beside and behind the vehicle
D、Observing the situation beside and behind the vehicle before opening the door slowly
Answer：D
16、When rescuing a wounded person suffering from bone fracture, which of the following should be kept in mind?
A、Immediately send him/her to the hospital on a stretcher
B、Properly change the original posture when the injured person wounded
C、Dress the fracture with a bandage
D、Do not move the fractured body-part
Answer：D
17、Drivers may temporarily cross these central broken and solid yellow lines when overtaking.
A、Right
B、Wrong
Answer：A
18、Drivers may cross these central solid and broken yellow lines when overtaking.
A、Right
B、Wrong
Answer：B
19、The sign on the right warns of a wet road surface ahead.
A、Right
B、Wrong
Answer：A
20、Drivers may go ahead when traffic polices posture is like this.
A、Right
B、Wrong
Answer：A