1、vehicles may stop temporarily in this area.
A、Right
B、Wrong
Answer：B
2、Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
A、Right
B、Wrong
Answer：A
3、The sign on the right indicates a 2-kilometer distance from the Donglushan Service Area on the highway.
A、Right
B、Wrong
Answer：A
4、Under such circumstances, what should be done bY motor vehicle drivers in order to yield to the pedestrians politely?
A、Set off after pedestrians pass
B、Set off and bypass in front of the pedestrians
C、Sound the horn to warn the pedestrians to yield
D、Set off and approach the pedestrians slowly
Answer：A
5、When a motor vehicle breaks down and has to be stopped on the highway, what should the driver do?
A、Set up a breakdown warning sign 150 meters behind the vehicle
B、Set up a breakdown warning sign 100 meters behind the vehicle
C、If it happens at night, turn on the clearance lamp and rear position lamp
D、Turn on the hazard lamps
Answer：ACD
6、The sign on the right warns of traffic signals ahead.
A、Right
B、Wrong
Answer：A
7、When extinguishing a fire, the driver should refrain from breathing through mouth or crying loudly Otherwise, the fire and smoke will scorch the upper respiratory tract.
A、Right
B、Wrong
Answer：A
8、When a motor vehicle passes over an inundated road, what should the driver do for safe driving?
A、Slow down and drive with special care
B、Speed up and pass rapidly
C、Maintain a normal speed and pass through
D、Change to a low gear and speed up to pass
Answer：A
9、When rescuing a wounded person who has been poisoned by toxic gas, which of the following measures should be taken first?
A、Prevent heat loss
B、Bring him/her to a place with fresh air
C、Give him/her artificial respiration
D、Depress the heart over the chest
Answer：B
10、The driver should turn on the left-turn indicator after entering the acceleration lane on an expressway.
A、Right
B、Wrong
Answer：B
11、It is a bad habit for a driver to put his left arm on the window of the vehicle or hold the gear lever in his right hand for a long time.
A、Right
B、Wrong
Answer：A
12、What needs attention when a motor vehicle drives on a road covered with ice and snow?
A、Braking length is extended
B、Anti-skating resistance will be greater
C、The adhesive force of the road will be greater
D、The braking length will be shorter
Answer：A
13、The crosswalk of the intersection warns that pedestrians have priority.
A、Right
B、Wrong
Answer：A
14、What should the driver do when the motor vehicle encounters this situation in front of a school?
A、Bypass before the queue
B、Slow down and pass slowl
C、Stop promptly and yield
D、Go through in the spaces between the queues
Answer：C
15、What should motor vehicle drivers do under such circumstances at night?
A、Turn off the headlamp when approaching
B、Use low-beam
C、Use high-beam
D、Turn off all lamps in advance
Answer：B
16、The sign on the right indicates that sounding the horn is prohibited here.
A、Right
B、Wrong
Answer：B
17、When such circumstances happen suddenly, what should the driver do?
A、Reduce speed or stop to yield
B、Bypass in front of the pedestrians
C、Continuously sound the horn to alert the pedestrians
D、Bypass from behind the pedestrians
Answer：A
18、The sign on the left warns of no passing on the right-hand road ahead.
A、Right
B、Wrong
Answer：B
19、The sign on the right warns of a bumpy road ahead.
A、Right
B、Wrong
Answer：B
20、When driving on a foggy day, the driver should turn on the fog lamp.
A、Right
B、Wrong
Answer：A