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 the driver discovers a tire is leaking and steers the vehicle off the main driving lane, he/she should refrain from applying emergency braking so as to avoid a vehicle turnover or a rear-end collision arising from the late braking of the vehicle behind.
A、Right
B、Wrong
Answer：A
3、What should the driver do when the motor vehicle passes a flyover?
A、Speed up and pass rapidly
B、Keep the speed under 15 km/hour
C、Drive at the speed indicated by the traffic sign
D、Drive close to the central line of the flyover
Answer：C
4、When driving on an expressway, what should the driver do if he/she has missed an exit but the next exit is far away?
A、Reverse along the road shoulder
B、Continue on
C、Stop immediately
D、Make a U-turn at the current location
Answer：B
5、Gun powder, explosives and detonating powder belong to which of the following dangerous chemicals?
A、Oxidizing materials
B、Inflammable solid materials
C、Explosives
D、Self-igniting articles
Answer：C
6、If a motor vehicle experiences a "water sliding" phenomenon when running on an expressway in rain, what should the driver do?
A、Slow down by suddenly depressing the brake pedal
B、Slow down by slowly releasing the accelerator pedal
C、Turn the steering wheel immediately to adjust the direction
D、Speed up to increase the displacement of the wheels
Answer：B
7、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
8、Which of the following is an inflammable solid material?
A、Matches
B、Gun powder
C、Calcium carbide
D、Explosives
Answer：A
9、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
10、The guide line of a changeable lane indicates that drivers can choose their direction at will.
A、Right
B、Wrong
Answer：B
11、How to ensure motor vehicles have sufficient power when driving uphill?
A、Downshift before reducing speed
B、Downshift after reducing speed
C、Downshift when the speed is excessively low
D、Downshift to the fullest extent
Answer：A
12、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
13、When the tire pressure is too low, what can happen when driving at a high speed?
A、Tire pressure will be unstable
B、Tire pressure will increase
C、Driving resistance will decrease
D、The tire will burst
Answer：D
14、The sign on the right warns for livestock on the road ahead.
A、Right
B、Wrong
Answer：B
15、At 13: 10 pm, Mr Luo set out in his medium bus from 0 km mark on the highway, and by 14: 10 had passed the 125km mark by 200 meters, he caused a rear-end collision with a motor vehicle that ran into the side slope on the southwest side, killing 11 people and injuring 2. Which of the following law-breaking acts did Mr. Luo commit?
A、Speeding
B、Driving not in accordance with traffic markings
C、Exceeding carrying capacity
D、Fatigued driving
Answer：A
16、When a motor vehicle catches fire, the driver should swiftly turn off the engine and open the hood to extinguish the fire.
A、Right
B、Wrong
Answer：B
17、How many kinds of law-breaking acts are displayed in flash 4?
A、One
B、Two
C、Three
D、Four
Answer：C
18、After setting off from a roadside, motor vehicle drivers should watch both sides of the road, turn left and drive into the normal lane slowly.
A、Right
B、Wrong
Answer：A
19、When rescuing a wounded person who has been poisoned by toxic gas, the first measure is to send him/her to a place with fresh air so that he/she will not continue to be poisoned.
A、Right
B、Wrong
Answer：A
20、The sign on the right indicates a T-shaped intersection head.
A、Right
B、Wrong
Answer：B