1、When there is a sudden braking failure on a downhill road, in which ones of the following ways can drivers reduce speed?
A、Driving onto the emergency lane and reduce speed and stop there
B、Rubbing the vehicle body against the rocks or trees on roadside
C、Pulling up the handbrake first
D、Immediately changing to a low gear
Answer：ABD
2、When driving onto the left lane, motor vehicle drivers are allowed to make a U-turn.
A、Right
B、Wrong
Answer：A
3、Drivers are allowed to cross the broken and solid white line on the road when changing lanes or pulling over.
A、Right
B、Wrong
Answer：A
4、Under such circumstance at an intersection. motor vehicle drivers should be prepared to stop and yieldat any time.
A、Right
B、Wrong
Answer：A
5、Drivers are not allowed to drive on or across these filled-in slanted yellow lines.
A、Right
B、Wrong
Answer：A
6、The sign on the right warns of a sharp winding road ahead.
A、Right
B、Wrong
Answer：B
7、This sign warns to bypass from the right side to avoid the roadblock.
A、Right
B、Wrong
Answer：B
8、Drivers may turn left when traffic police give these hand signals.
A、Right
B、Wrong
Answer：A
9、Sounding the horn on a foggy daY can arouse the attention of the opposite side. After hearing the horn from the opposite side, the driver should also sound their own horn to respond.
A、Right
B、Wrong
Answer：A
10、The sign on the right warns of a widened left-hand road ahead.
A、Right
B、Wrong
Answer：B
11、When encountering a road like this, motor vehicle drivers may make good use of neutral gear to coast.
A、Right
B、Wrong
Answer：B
12、When driving on a muddy road, the driver should hold the steering wheel firmly and speed up to pass through.
A、Right
B、Wrong
Answer：B
13、The road marker on the right side indicates that drivers may overtake by borrowing this road.
A、Right
B、Wrong
Answer：B
14、What should be done by motor vehicle drivers in order to yield politely to such pedestrians?
A、Speed up and bypass in front of the pedestrians
B、Speed up and bypass from behind the pedestrians
C、Reduce speed or stop to yield
D、Continuously sound the horn to alert the pedestrians
Answer：C
15、What should be done by drivers in order to safely pass through the curve in this condition?
A、Reduce speed and drive o the right side
B、Drive on the central line of the road
C、Drive on the outer side of the curve
D、Drive by borrowing the opposite lane
Answer：A
16、Which one of the following is the safest way when driving a motor vehicle on this kind of road surface?
A、Slide over by using neutral gear
B、Pass with a high speed
C、Pass by speeding up
D、Pass with a low speed
Answer：D
17、The guide arrow on the road surface of this lane indicates that only left and right turns are permitted on the lanes ahead.
A、Right
B、Wrong
Answer：A
18、When putting out a fire disaster that gives out corrosive steam or poisonous gas, the firefighters should wear gas masks and other related protective articles and operate from the windward side.
A、Right
B、Wrong
Answer：A
19、Those traffic police signals mean turning right.
A、Right
B、Wrong
Answer：B
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