1、Drivers neednt yield to pedestrians who display such behavior.
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 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
4、The sign on the right indicates that the speed limit of 40km/hour is lifted on the road ahead.
A、Right
B、Wrong
Answer：B
5、The sign in front is an advance announcement of the directions led by this intersection.
A、Right
B、Wrong
Answer：A
6、The road marker indicates that vehicles are only allowed to turn right at the intersection ahead.
A、Right
B、Wrong
Answer：B
7、When encountering a school bus which stops at the right roadside and students are embarking or disembarking, and there is only one motor vehicle lane in each direction, motor vehicle drivers behind the bus should stop and wait.
A、Right
B、Wrong
Answer：A
8、When driving on a damp and slippery road, drivers should avoid using the emergency brake to his/her best ability.
A、Right
B、Wrong
Answer：A
9、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
10、The motor vehicle may promptly overtake the vehicle in front from the left side in this situation.
A、Right
B、Wrong
Answer：B
11、When approaching motor vehicles ahead running at a normal speed on the highway, drivers behind may find a chance and weave through them swiftly.
A、Right
B、Wrong
Answer：B
12、When passing this mountainous road, motor vehicle drivers should drive along the center of the road.
A、Right
B、Wrong
Answer：B
13、When approaching a vehicle on a narrow slope, which one of the following ways is correct?
A、The descending vehicle yields to the ascending
B、The vehicle which is further from the slope crest should yield
C、The ascending vehicle yields to the descending
D、If the descending vehicle has reached the midpoint while the ascending vehicle has not yet set out, the descending vehicle must yield.
Answer：A
14、The sign on the right indicates that drivers should choose their lanes in accordance withthe directions indicated by arrows.
A、Right
B、Wrong
Answer：A
15、What should be done by the driver who intends to overtake but finds that the vehicle in front is also overtaking?
A、Following the vehicle in front closely and finding a chance to overtake it
B、Accelerating to overtake forcefully
C、Continuously sounding the horn to urge the vehicle in front to yield
D、Refraining from overtaking and letting the vehicle in front overtake first
Answer：D
16、What should the driver do on this kind of curving mountain road?
A、Borrow the opposite lane
B、Slow down and drive on the right
C、Stick to the central line of the road
D、Drive close to the right side
Answer：B
17、When driving on this section of the road, drivers should observe closely and prepare to yield to the animals crossing the road.
A、Right
B、Wrong
Answer：A
18、The sign on the right indicates that turning right is not permitted at the intersection ahead.
A、Right
B、Wrong
Answer：A
19、When passing a sharp curve, motor vehicle drivers may overtake if there are few other vehicles on the road.
A、Right
B、Wrong
Answer：B
20、In such circumstances, which one of the following statements is the safest measure for a motor vehicle driver to take?
A、Accelerate to overtake the vehicle in front as soon as possibl
B、Voluntarily reduce speed and refrain from overtaking
C、Sound the horn to warn the vehicle in front to yield
D、Turn on the headlamp to warn the oncoming vehicle to yield
Answer：B