1、Having driven his vehicle at 110km/hour on an urban road, Mr. Lin is trying to leave the scene after a rear-end collision but is held back by bystanders. The alcohol concentration in his blood, tested in an alcohol test by the traffic police, is 135.8mg per hundred milliliters. Which of the following law-breaking acts did Mr. Lin commit?
A、Drunk driving
B、Speeding
C、Fatigued driving
D、Hit-and-run driving
Answer：ABD
2、How will the adhesive force of road change when speed increases on a damp and slippery road?
A、Increase sharply
B、increase gradually
C、decrease sharply
D、No change
Answer：C
3、When a motor vehicle breaks down and cannot be moved away from the expressway, the driver and all passengers should stay in the vehicle and wait for the rescue personnel.
A、Right
B、Wrong
Answer：B
4、Under such circumstances, what should motor vehicle drivers do?
A、Overtake the vehicle quickly on its left
B、Keep a long braking space
C、Continuously sound the horn to alert the vehicle in front
D、Overtake the vehicle quickly from its right
Answer：B
5、The sign on the right side warns of a sharp right turn ahead.
A、Right
B、Wrong
Answer：A
6、The sign on the right side warns of an abrupt downhill section ahead.
A、Right
B、Wrong
Answer：B
7、When a wounded person suffering bone fracture in the thigh, shank or spine, moving the wounded person is usually prohibited.
A、Right
B、Wrong
Answer：A
8、The sign on the right warns of a bumpy road ahead.
A、Right
B、Wrong
Answer：B
9、The sign in front indicates the allocation of roads ahead.
A、Right
B、Wrong
Answer：B
10、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
11、When braking, the steering will become impossible if the front wheels are blocked
A、Right
B、Wrong
Answer：A
12、Under such circumstances, what should motor vehicle drivers do?
A、Follow the vehicle closely
B、Overtake the vehicle quickly on its left
C、Keep a long braking distance
D、Overtake the vehicle quickly on its right
Answer：C
13、When encountering children in this condition, what should motor vehicle drivers do?
A、Go ahead by following the children closely
B、Speed up and overtake from the left side of the children
C、Sound the horn to alert the children
D、Reduce speed or stop to yield
Answer：D
14、When extinguishing a fire, the driver should refrain from breathing through mouth or crying loudly Otherwise, the fire and smoke will scorch the upper respiratory tract.
A、Right
B、Wrong
Answer：A
15、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
16、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
17、Under this circumstance, motor vehicle drivers should give the right of way to oncoming vehicle.
A、Right
B、Wrong
Answer：A
18、Motor vehicle drivers may reverse at an intersection.
A、Right
B、Wrong
Answer：B
19、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
20、The sign in front indicates the name and number of the highway.
A、Right
B、Wrong
Answer：A