1、Under such circumstances, motor vehicle drivers may sound the horn at the proper time and speed up to pass through.
A、Right
B、Wrong
Answer：B
2、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
3、This sign indicates the traffic broadcast and radio television channel of highway.
A、Right
B、Wrong
Answer：B
4、When seeing this sign, the driver should slow down promptly.
A、Right
B、Wrong
Answer：A
5、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
6、What should a driver do when the engine stalls suddenly on the road?
A、Apply emergency braking to stop the vehicle
B、Slow down and stop the vehicle
C、Change to neutral gear and coast
D、Shut down the ignition switch
Answer：B
7、This sign warns to bypass from the right side to avoid the roadblock.
A、Right
B、Wrong
Answer：B
8、Having driven a medium passenger vehicle (carrying 27 passengers) to the southern end of Qianling Village of Sidu Town, Mr Xu drove upslope but the vehicle slid backward and dropped from an 80-meter cliff, killing 11 people and injuring 7. Which of the following law-breaking acts did Mr Luo commit?
A、Fatigued driving
B、Drunk driving
C、Exceeding the carrying capacity of the passenger vehicle
D、Speeding
Answer：C
9、The sign on the right warns of a one-way tunnel ahead.
A、Right
B、Wrong
Answer：B
10、What should be done when drivers evade an emergency on the highway?
A、Take braking measures to reduce speed
B、Yield by turning to the left side
C、Evade by swiftly turning the steering wheel
D、Yield by turning to the right side
Answer：A
11、Drivers may temporarily cross these central broken and solid yellow lines when overtaking.
A、Right
B、Wrong
Answer：A
12、The road marking on the right lane indicates that drivers may temporarily borrow the special lane for buses.
A、Right
B、Wrong
Answer：B
13、When a wounded person suffering burns is thirsty, he should only drink plain boiled water.
A、Right
B、Wrong
Answer：B
14、Crossing the broken white line on the right edge of the road is allowed.
A、Right
B、Wrong
Answer：A
15、The sign in front indicates a one-kilometer distance from the highway entry.
A、Right
B、Wrong
Answer：A
16、The driver should speed up to 40 kilometers per hour when he/she sees this traffic sign.
A、Right
B、Wrong
Answer：B
17、If a motor vehicle enters a driving lane under this situation, what should the driver do?
A、Control the driving speed and follow the last vehicle
B、Speed up and cut in front of the second vehicl
C、Speed up and cut in front of the first vehicle
D、Cut in between two vehicles at will
Answer：A
18、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
19、Driving and smoking has no negative effect on safe driving
A、Right
B、Wrong
Answer：B
20、When there is a braking failure on a downhill road the driver should change the gear to one position or two positions lower, and control the speed by taking advantage of the braking role of the engine.
A、Right
B、Wrong
Answer：A