1、The sign on the right warns of a sharp winding road ahead.
A、Right
B、Wrong
Answer：B
2、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
3、How will the adhesive force of road change when speed increases on a damp and slippery road?
A、Increase sharply
B、increase gradually
C、decrease sharply
D、No change
Answer：C
4、Before a motor vehicle enters a tunnel, the driver should adjust the speed in accordance with the indication of the traffic sign at the entrance of the tunnel.
A、Right
B、Wrong
Answer：A
5、When such circumstances happen suddenly, drivers should reduce speed in a timely fashion or stop to yield.
A、Right
B、Wrong
Answer：A
6、Driving and smoking has no negative effect on safe driving
A、Right
B、Wrong
Answer：B
7、On which of the following roads may the wheels be most easily locked when braking?
A、Concrete road
B、Dirt road
C、Road covered by ice and snow
D、Sand road
Answer：C
8、Two parallel broken double-yellow lines indicate the position of a diversion lane.
A、Right
B、Wrong
Answer：A
9、When the tire pressure is too low, what can happen when driving at a high speed?
A、Tire pressure will be unstable
B、Tire pressure will increase
C、Driving resistance will decrease
D、The tire will burst
Answer：D
10、Motor vehicle drivers may make a U-turn in this area as long as it will not affect the passing of pedestrians.
A、Right
B、Wrong
Answer：B
11、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
12、In this situation, motor vehicles are permitted to stop temporarily at bus stations.
A、Right
B、Wrong
Answer：B
13、Sideslip happens most easily on which one of the following road surfaces?
A、Dry concrete road
B、Road surface at the beginning of rain
C、Damp concrete road surface
D、Road in heavy rain
Answer：B
14、What should the driver do when a motor vehicle encounters this situation on a mountain road?
A、Stick to respective lanes and speed up to approach each other
B、Drive close to the central line of the road
C、Retain the normal speed
D、Slow down
Answer：D
15、Drivers may temporarily cross these central broken and solid yellow lines when overtaking.
A、Right
B、Wrong
Answer：A
16、When the vehicle engine catches fire, what should the driver do first?
A、Turn off the engine as soon as possible
B、Extinguish the fire with water
C、Open the hood to extinguish the fire
D、Extinguish the fire from the leeward direction
Answer：A
17、When removing a wounded person suffering spinal fracture, the rescuer should never help the wounded person to walk. He may be carried away with a soft stretcher.
A、Right
B、Wrong
Answer：B
18、When rescuing a person sustaining full-body burns the rescue personnel may spray cool water to his body to put out the fire.
A、Right
B、Wrong
Answer：A
19、What kind of harmful effect will be brought about by continuously using the foot brake on a long downhill road?
A、Shorten the engine's service life
B、Make the driver feel tired
C、Easily cause the vehicle to overturn
D、Reduce the braking efficiency
Answer：D
20、The sign in front indicates an open-air parking lot with rest area is 200 meters ahead.
A、Right
B、Wrong
Answer：A