1、Under such circumstances, motor vehicles are not allowed to overtake.
A、Right
B、Wrong
Answer：A
2、If a driver finds there is no vehicle behind, he/she may change lanes without turning on the indicator.
A、Right
B、Wrong
Answer：B
3、Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
A、Right
B、Wrong
Answer：A
4、Under such circumstances, the motor vehicle driver should voluntarily reduce speed and let the vehicle behind overtake.
A、Right
B、Wrong
Answer：A
5、How many kinds of law-breaking acts are displayed in flash 1?
A、One
B、Two
C、Three
D、Four
Answer：B
6、Mr Peng drove a heavy semi-trailer tractor with 37.7 tons of cargo(capacity 25 tons). When descending a slope on the Daguang Expressway, the tractor had a rear-end collision with Mr. Li's heavy dump truck ( carrying 3.17 cubes of loess and 24 passengers in the container)occupying the emergency lane. As a result of this accident, 16 people were killed and 13 injured What are the main illegal acts in this case?
A、Mr Peng exceeded the speed limit
B、Mr. Peng's tractor carried more cargo than limited
C、Mr Li illegally drove in the emergency lane
D、Mr. Li's truck illegally carried passengers in the container
Answer：BCD
7、The sign in front indicates a 2-kilometer distance from the destination of the highway ahead.
A、Right
B、Wrong
Answer：A
8、The road marker indicates that vehicles are only allowed to turn right at the intersection ahead.
A、Right
B、Wrong
Answer：B
9、The sign on the right indicates an ETC lane at toll station ahead.
A、Right
B、Wrong
Answer：A
10、As shown in the flash, when overtaking a vehicle in front, the driver should make the horizontal distance as large as possible and may cross the solid line if necessary.
A、Right
B、Wrong
Answer：B
11、Motor vehicles are prohibited from turning left in this situation.
A、Right
B、Wrong
Answer：A
12、When encountering such pedestrians, motor vehicle drivers may continuously sound the horn to alert them to yield.
A、Right
B、Wrong
Answer：B
13、It is illegal to change lanes without turning on indicators.
A、Right
B、Wrong
Answer：A
14、The sign on the right indicates a bypass flow intersection ahead.
A、Right
B、Wrong
Answer：B
15、had a head-on collision at the speed of 40 kilometers per hour with Mr. Wangs three-wheeled freight motorcycle carrying 19 passengers, killing10 people nd injuring 9. What are the main illegal acts committed by the two drivers?
A、Mr Ye drove an unpermitted vehicle type
B、Mr. Wang drove a freight motorcycle to carry passengers
C、Mr Ye exceeded the speed limit
D、Mr. Wang failed to follow the guidance of the traffic signal lights
Answer：BC
16、What should be done to keep safe when a motor vehicle driver is overtaking in this condition?
A、Reducing speed and keeping a safe distance
B、Continuously sounding the horn to indicate the vehicle in front
C、Accelerating to pass while keeping a certain distance
D、Overtaking by occupying the opposite lane
Answer：A
17、The sign on the right is an advance announcement of the highway destination.
A、Right
B、Wrong
Answer：B
18、When leaving an expressway, drivers should enter the ramp after slowing down in the deceleration lane.
A、Right
B、Wrong
Answer：A
19、The sign on the right warns of no passing due to collapse on the road ahead.
A、Right
B、Wrong
Answer：B
20、The guide arrow on the road surface of this lane indicates that only U-turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：B