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、Which one of the following is the safest way when driving a motor vehicle on this road?
A、Speed up and bypass the obstacle
B、Take the opposite lane and compel the other vehicle to yield
C、Stop and yield to the oncoming vehicle
D、Sound the horn or turn on the headlamp
Answer：C
3、When reversing in this condition, in which of the following ways can motor vehicle drivers keep safe?
A、Reverse at a lower speed
B、Voluntarily stop and yield
C、Continuously sound the horn to alert
D、Reverse in a clockwise direction
Answer：B
4、What should the driver do when the motor vehicle encounters this situation?
A、Overtake immediatel
B、Sound the horn continuously to warn
C、Maintain safety distance and overtake
D、Sound horn and speed up to overtake
Answer：C
5、The sign on the right warns for disabled people ahead.
A、Right
B、Wrong
Answer：A
6、It is illegal to change lanes without turning on indicators.
A、Right
B、Wrong
Answer：A
7、Which one of the following statements is correct in this situation?
A、Vehicles are prohibited from passing in the lanes on either side
B、Move into the lane on either side at a reduced speed
C、Move into the lane on the right side
D、Move into the lane on either side at an increased speed
Answer：A
8、The sign on the right indicates a bypass route at the intersection ahead.
A、Right
B、Wrong
Answer：A
9、What should the driver do when he/she 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
10、What should motor vehicle drivers do under such circumstances at night?
A、Turn off the headlamp when approaching
B、Use low-beam
C、Use high-beam
D、Turn off all lamps in advance
Answer：B
11、When braking, the steering will become impossible if the front wheels are blocked
A、Right
B、Wrong
Answer：A
12、The sign on the right side indicates no entry for all vehicles.
A、Right
B、Wrong
Answer：A
13、This sign warns to bypass from the right side to avoid the roadblock.
A、Right
B、Wrong
Answer：B
14、Matches, sulfur and red phosphorus belong to which of the following dangerous chemicals?
A、Explosives
B、Oxidizing materials
C、Self-igniting articles
D、Inflammable solid materials
Answer：D
15、What should motor vehicle drivers do under the circumstance shown in the flash?
A、Drive by borrowing the opposite lane
B、Brake suddenly and pass through at a lower speed
C、Drive by the outer side of the curve
D、Reduce speed fully and drive by the right side
Answer：D
16、The sign on the right warns drivers to yield for oncoming motor vehicles.
A、Right
B、Wrong
Answer：B
17、Motor vehicle drivers should rush to the top of the slope in this situation.
A、Right
B、Wrong
Answer：B
18、The broken white line on the right side of the road indicates that drivers are allowed to change lanes by crossing the line.
A、Right
B、Wrong
Answer：A
19、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
20、After a traffic accident, what is the most effective measure to prevent secondary accidents?
A、Evacuate all passengers
B、Turn on the hazard lamps
C、Mark the original place of the injured persons
D、Properly place the danger warning sign
Answer：ABD
21、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
22、The white zig-zag line on the highway serves as a reference for the speed of a driver.
A、Right
B、Wrong
Answer：B
23、When a motor vehicle breaks down on an expressway and cannot be moved away from the driving lane, the driver may conduct emergency repairs on the driving lane.
A、Right
B、Wrong
Answer：B
24、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
25、The main impact of muddy roads on safe driving is that the wheels may easily spin and skid
A、Right
B、Wrong
Answer：A