1、How many kinds of law-breaking acts are displayed in flash 3?
A、One
B、Two
C、Three
D、Four
Answer：B
2、When such circumstances happen suddenly, drivers should reduce speed in a timely fashion or stop to yield.
A、Right
B、Wrong
Answer：A
3、When the vehicle behind gives a notice of overtaking at night, the vehicle in front should not yield blindly.
A、Right
B、Wrong
Answer：A
4、When a motor vehicle passes over an inundated road the driver should change to a low gear and pass at a constant speed.
A、Right
B、Wrong
Answer：A
5、Under such circumstances, what should be done by a motor vehicle driver in order to yield out of courtesy?
A、Driving at a higher speed
B、Closely following the vehicle in front
C、Driving at a higher speed by the right side
D、Driving at a lower speed by the right side
Answer：D
6、The guide arrow on the road surface of this lane indicates that only left turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：A
7、What should the motor vehicle driver do when the motor vehicle encounters the crosswalk in thissituation?
A、Slow down and pass
B、Speed up and pass
C、Sound the horn and pass
D、Stop immediately
Answer：A
8、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
9、The sign in front indicates a one-way lane after turning right.
A、Right
B、Wrong
Answer：A
10、The sign on the right warns of a bumpy road ahead.
A、Right
B、Wrong
Answer：B
11、In order to keep safe when driving on the highway, which ones of the following statements are prohibited acts?
A、Reversing, moving against regulations, making a U-turn by crossing the central divider, or stopping in the lane.
B、Riding or rolling on the lane-dividing line or driving on the shoulder
C、Overtaking on ramps, accelerations lanes, ordeceleration lanes.
D、Testing vehicles or learning to drive a vehicle
Answer：ABCD
12、The guide arrow on the road surface of this lane indicates that only left turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：B
13、The drivers, loaders and supercargoes responsible for dangerous chemicals transportation should all full understand the chemical characteristics, potential risks, features of the packaging containers and emergency measures for any unexpected accidents.
A、Right
B、Wrong
Answer：A
14、What should the driver do to follow other motor vehicles on a mountain road?
A、Closely follow the vehicle in front
B、Increase the safety distance
C、Reduce the vertical distance between vehicles
D、Try to overtake the vehicle in front as soon as possible
Answer：B
15、As shown in this flash, what should the motor vehicle driver do when encounters this situation?
A、Use the mergency brake
B、Turn sharply and pass rapidly
C、Slide over rapidly without encountering collision
D、Stop smoothly
Answer：D
16、What should the driver do when he/she encounters an oncoming ambulance in the same lane?
A、Keep to the side and reduce speed or stop to yield
B、Drive ahead by occupying another lane
C、Yield by speeding up and changing lanes
D、Drive ahead in the original lane
Answer：A
17、The guide arrow on the road surface of this lane indicates that only right turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：B
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 the engine suddenly stalls on the road and cannot be restarted, the driver should pull over in a timely fashion and identify the cause of the stalling.
A、Right
B、Wrong
Answer：A
20、The sign on the right indicates that the vehicle should yield to the oncoming traffic as approaching each other.
A、Right
B、Wrong
Answer：B
21、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
22、Mr. Qi drove a large bus with 28 passengers(capacit 55 people). When arriving at an intersection without any traffic signals from south to north at a speed of 50 kilometers per hour, the bus had a side collision with Mr. Li's heavy semi-trailer tractor (capacity 40 tons and carrying 55.2 tons) running from east to west. As a result of this accident, 12 people were killed and 17 injured. What are the main illegal acts in this case?
A、The bus carried more passengers than capacity
B、The bus exceeded the speed limit
C、The tractor carried more cargo than capacity
D、The driver of the tractor was inexperienced
Answer：BC
23、The white zig-zag line on the highway serves as a reference for the speed of a driver.
A、Right
B、Wrong
Answer：B
24、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
25、A correct measure to avoid tire burst of motor vehicles is to lower the tire pressure.
A、Right
B、Wrong
Answer：B