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、As shown in the flash, what should the driver do when the motor vehicle encounters this situation?
A、Speed up and pass rapidl
B、Stop immediately
C、Sound the horn to indicate the pedestrians to yield
D、Observe the movement of pedestrians and non-motor vehicles before passing
Answer：D
3、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
4、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
5、When driving in thick or extremely thick fog, what should the driver do due to the low visibility in such weather?
A、Turn on the headlamp and drive slowly
B、Turn on the fog lamp and drive slowl
C、Park in a safe place
D、Drive slowly close to the roadside
Answer：C
6、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
7、The motor vehicle should stop on the right and wait in this situation.
A、Right
B、Wrong
Answer：A
8、Which one of the following is a safe way for motor vehicles to converge into an intersection marked with this sign?
A、Speeding up and driving into the traffic flow directly
B、Driving into the traffic flow behind the gray car on the main road
C、Driving into the traffic flow from the front of the red car on the main road
D、Turning on the indicator and driving into the flow directly
Answer：B
9、The driver should drive on the left in this kind of tunnel.
A、Right
B、Wrong
Answer：B
10、After a tire bursts and before the driver can control the speed of the vehicle, he/she should not risk using the foot brake to stop the vehicle. Otherwise, a horizontal swing of the vehicle can cause greater danger.
A、Right
B、Wrong
Answer：A
11、The sign on the right warns of a winding road to the left ahead.
A、Right
B、Wrong
Answer：B
12、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
13、The motor vehicle should speed up and pass rapidly under this situation.
A、Right
B、Wrong
Answer：B
14、In rain, the most effective way to avoid the danger arising from "water slide" is to drive at high speed
A、Right
B、Wrong
Answer：B
15、When entering an expressway ramp, which of the following statements is correct?
A、Drivers are allowed to overtake other vehicles
B、Drivers are prohibited from making U-turns
C、Drivers are allowed to stop
D、Drivers are allowed to reverse
Answer：B
16、It is a bad habit for a driver to put his left arm on the window of the vehicle or hold the gear lever in his right hand for a long time.
A、Right
B、Wrong
Answer：A
17、Under such circumstances, motor vehicle drivers should reduce speed by the right side swiftly and yield.
A、Right
B、Wrong
Answer：A
18、The guide arrow on the road surface of this lane indicates that the lanes ahead will merge to the left side.
A、Right
B、Wrong
Answer：A
19、When parking for a long time on a downward slope due to breakdown on the road, drivers should use this method to stop up wheels.
A、Right
B、Wrong
Answer：A
20、The sign on the right warns of a ferry crossing 100 meters after turning right at the intersection ahead.
A、Right
B、Wrong
Answer：A