1、How many kinds of law-breaking acts are displayed in flash 4?
A、One
B、Two
C、Three
D、Four
Answer：C
2、The sign indicates no overtaking on the section ahead.
A、Right
B、Wrong
Answer：B
3、As shown in the flash, when overtaking a vehicle in front, the driver should make the horizontal distance as large as possible and may cross the solid line if necessary.
A、Right
B、Wrong
Answer：B
4、When passing an intersection, vehicle motor drivers are not allowed to overtake.
A、Right
B、Wrong
Answer：A
5、The guide arrow on the road surface of this lane indicates that only left turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：B
6、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
7、When driving on a muddy road, what should the driver do?
A、Try to avoid using the foot brake
B、Drive slowly in mid or low gear
C、Firmly hold the steering wheel
D、Speed up and pass through
Answer：ABC
8、The sign on the right side indicates no entry for all vehicles.
A、Right
B、Wrong
Answer：A
9、vehicles may stop temporarily in this area.
A、Right
B、Wrong
Answer：B
10、The sign on the right side warns of an emergency lane 500 meters ahead.
A、Right
B、Wrong
Answer：A
11、As shown in the flash, the actions of the driver are correct.
A、Right
B、Wrong
Answer：B
12、It is correct for the driver to drive on an expressway in the way shown in the flash.
A、Right
B、Wrong
Answer：B
13、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
14、The sign in front indicates an open-air parking lot with rest area is 200 meters ahead.
A、Right
B、Wrong
Answer：A
15、The sign on the right indicates the road width ahead is limited to 3 meters.
A、Right
B、Wrong
Answer：A
16、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
17、When a motor vehicle breaks down on an expressway and cannot be moved away from the driving lane, the driver may conduct emergency repairs on the driving lane.
A、Right
B、Wrong
Answer：B
18、As shown in the flash, the driver's act is correct.
A、Right
B、Wrong
Answer：B
19、The sign on the right indicates that the vehicle should yield to the oncoming traffic as approaching each other.
A、Right
B、Wrong
Answer：B
20、The sign on the right warns of a winding road to the left ahead.
A、Right
B、Wrong
Answer：B