1、How many kinds of law-breaking acts are displayed in flash 4?
A、One
B、Two
C、Three
D、Four
Answer：C
2、What should a driver do before entering a tunnel on an expressway
A、Turn on the high-beam
B、Turn on the width lamp and the tail lamp
C、Turn on the low-beam
D、Sound the horn before entering the tunnel
Answer：C
3、When encountering this situation in a residential area the driver should sound the horn continuously.
A、Right
B、Wrong
Answer：B
4、Mr. Wu drove a large bus with 33 passengers (capacity 22 people). At the spot of 7 kilometers mark by 300 meters on the No 163 County Road, the bus lost control and fell into a ravine. As a result of the accident, 10 people were killed and 21 injured. In accordance with the alcohol test after the accident the blood alcohol content of Mr Wu was 26 milligram per milliliter. What's the main illegal act committed by Mr Wu?
A、Speeding
B、Carrying more passengers than permitted
C、Fatigued driving
D、Driving after drinking
Answer：BD
5、When parking temporarily in this situation, motor vehicle drivers are allowed to turn the steering wheel left to avoid sliding.
A、Right
B、Wrong
Answer：A
6、The sign in front indicates the name and number of the highway.
A、Right
B、Wrong
Answer：A
7、The sign on the right indicates a one-kilometer distance from the ETC toll station.
A、Right
B、Wrong
Answer：A
8、As shown in the flash, what should the motor vehicle driver do when encountering this situation?
A、Reserve a safe crosswise distance and cut speed
B、Keep a normal speed
C、Use the emergency brake when approaching
D、Speed up and pass rapidly
Answer：A
9、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
10、How to reduce speed or stop when driving on a road covered with snow and ice?
A、Take full advantage of driving brake
B、Take full advantage of the control power from engine
C、Take full advantage of parking brake
D、Take full advantage of speed retarder
Answer：B
11、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
12、When encountering this situation on a mountainous road, motor vehicle drivers should overtake the vehicle in front by speeding up.
A、Right
B、Wrong
Answer：B
13、Motor vehicles are not allowed to stop in this area for a long time.
A、Right
B、Wrong
Answer：A
14、It is illegal to change lanes without turning on indicators.
A、Right
B、Wrong
Answer：A
15、When this signal is constantly flashing, how should a driver react?
A、Speed up as soon as possible
B、Pull over and wait
C、Observe the traffic situation around to make sure of safe driving
D、Refrain from passing
Answer：C
16、The sign on the right warns of children on the section ahead.
A、Right
B、Wrong
Answer：B
17、This sign indicates the traffic broadcast and radio television channel of highway.
A、Right
B、Wrong
Answer：B
18、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
19、The cross-hatched marking indicates an area where vehicle drivers are not allowed to stop.
A、Right
B、Wrong
Answer：A
20、Drivers may go straight and pass through when traffic police give these hand signals.
A、Right
B、Wrong
Answer：B
21、Motor vehicles drivers may overtake by borrowing the opposite lane on this kind of road.
A、Right
B、Wrong
Answer：B
22、What should be done by the driver who intends to overtake but finds that the vehicle in front is also overtaking?
A、Following the vehicle in front closely and finding a chance to overtake it
B、Accelerating to overtake forcefully
C、Continuously sounding the horn to urge the vehicle in front to yield
D、Refraining from overtaking and letting the vehicle in front overtake first
Answer：D
23、What should the driver do when the motor vehicle counters this situation?
A、Sound the horn continuously to warn
B、Speed up and bypass from the front
C、Slow down when encountering any risks
D、Slow down voluntarily and yield
Answer：D
24、The sign on the right warns of right-hand S-shaped bend ahead.
A、Right
B、Wrong
Answer：B
25、The sign on the right indicates a 2-kilometer distance from the Donglushan Service Area on the highway.
A、Right
B、Wrong
Answer：A