1、After a traffic accident, what is the most effective measure to prevent secondary accidents?
A、Evacuate all passengers
B、Turn on the hazard lamps
C、Mark the original place of the injured persons
D、Properly place the danger warning sign
Answer：ABD
2、The sign on the right side warns of crosswind on the mountain pass ahead.
A、Right
B、Wrong
Answer：A
3、When encountering such pedestrians, motor vehicle drivers may continuously sound the horn to alert them to yield.
A、Right
B、Wrong
Answer：B
4、Motor vehicle drivers are allowed to overtake on this road section.
A、Right
B、Wrong
Answer：B
5、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
6、Mr. Qian drove a large sleeper coach with 45 passengers (capacity 40 people) at a speed of more than 40 kilometers per hour. On a long slope with sharp curves in Basu County, the coach fell into a 100-meter-deep valley, killing 17 people and injuring 20. What's the main illegal act committed by MrQian?
A、Making a cellphone call while driving
B、Speeding
C、Carrying more people than permitted
D、Fatigued driving
Answer：BC
7、The sign on the right indicates the road width ahead is limited to 3 meters.
A、Right
B、Wrong
Answer：A
8、The broken yellow line in the center of the road indicates that overtaking by crossing the line is permitted in safe situations.
A、Right
B、Wrong
Answer：A
9、The sign on the right warns of a wet road surface ahead.
A、Right
B、Wrong
Answer：A
10、Under such circumstances, what should be done by the motor vehicle driver?
A、Reducing speed to give the right of way to the non-motor vehicle
B、Continuously sounding the horn to warn the vehicle in front to yield
C、Bypassing on the left of the non-motor vehicle
D、Accelerating to overtake by occupying the opposite lane
Answer：A
11、If a fast moving vehicle has a steering failure, using emergency braking can easily cause an overturn.
A、Right
B、Wrong
Answer：A
12、What should motor vehicle drivers do when going straight and passing through the intersection ahead?
A、Reduce speed when approaching the intersection
B、Reduce speed after entering the intersection
C、May pass through the intersection without speed reduction
D、Accelerate in advance to pass through the intersection
Answer：A
13、When finding a tire burst on the road, the driver should gently depress the brake pedal, reduce speed and stop the vehicle slowly.
A、Right
B、Wrong
Answer：A
14、These traffic police signals indicate that passing is prohibited.
A、Right
B、Wrong
Answer：A
15、Drivers are allowed to cross the broken and solid white line on the road when changing lanes or pulling over.
A、Right
B、Wrong
Answer：A
16、What is the intersection ahead indicated by the right sign?
A、T-shaped intersection
B、Y-shaped intersection
C、Cross-shaped intersection
D、Roundabout
Answer：D
17、Which of the following is a safe way for motor vehicles to pass the intersection marked with this sign?
A、Stop and observe the traffic situation around the intersection
B、Approach the intersection by speeding up
C、Observe the traffic situation on the left rear side
D、Approach the intersection at a reduced speed
Answer：D
18、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
19、Which one of the following is the safest way when driving a motor vehicle on this kind of road surface?
A、Slide over by using neutral gear
B、Pass with a high speed
C、Pass by speeding up
D、Pass with a low speed
Answer：D
20、The sign in front gives information about the direction of road exits.
A、Right
B、Wrong
Answer：A