1、Drivers may temporarily cross these central solid double yellow lines when overtaking.
A、Right
B、Wrong
Answer：B
2、The slow-down-and-yield line at the intersection ahead indicates that vehicle drivers should stop and give the right of way to vehicles on the trunk road.
A、Right
B、Wrong
Answer：B
3、This sign warns to bypass from the left side to avoid the roadblock.
A、Right
B、Wrong
Answer：B
4、The red car is allowed to drive on this lane.
A、Right
B、Wrong
Answer：B
5、The sign on the right side warns of an emergency lane 500 meters ahead.
A、Right
B、Wrong
Answer：A
6、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
7、What should the driver do if he/she encounters pedestrians in this situation at an intersection?
A、Slow down promptly and stop to yield
B、Sound the horn to warn the pedestrians to yield
C、Speed up and pass in front of the pedestrians
D、Turn on the headlamps to warn the pedestrians to yield
Answer：A
8、The sign on the right warns of a hump bridge right ahead.
A、Right
B、Wrong
Answer：B
9、When a motor vehicle slides sideways on a road covered by ice and snow, the driver should violently turn the steering wheel to adjust the direction.
A、Right
B、Wrong
Answer：B
10、The sign on the right indicates a 200-meter distance from the gas station ahead.
A、Right
B、Wrong
Answer：A
11、The broken white line on the right side of the road indicates that drivers are allowed to change lanes by crossing the line.
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 sign on the right indicates left turn only at the intersection ahead.
A、Right
B、Wrong
Answer：A
14、Under such circumstances, motor vehicle drivers should bypass on the left quickly.
A、Right
B、Wrong
Answer：B
15、The sign on the left indicates the destinations of two highway directions
A、Right
B、Wrong
Answer：A
16、The braking distance will be shortened greatly when the motor vehicle is equipped with ABS brakes.
A、Right
B、Wrong
Answer：B
17、The sign on the right warns of right-hand S-shaped bend ahead.
A、Right
B、Wrong
Answer：B
18、When driving a motor vehicle into a traffic flow, drivers should not hold up other vehicles.
A、Right
B、Wrong
Answer：A
19、Motor vehicles are not allowed to stop in this area for a long time.
A、Right
B、Wrong
Answer：A
20、Matches, sulfur and red phosphorus belong to which of the following dangerous chemicals?
A、Explosives
B、Oxidizing materials
C、Self-igniting articles
D、Inflammable solid materials
Answer：D