1、How many kinds of law-breaking acts are displayed in flash 4?
A、One
B、Two
C、Three
D、Four
Answer：C
2、When driving in thick fog causing poor visibility on the expressway, the driver should apply emergency braking to stop at once.
A、Right
B、Wrong
Answer：B
3、The red car is allowed to drive on this lane.
A、Right
B、Wrong
Answer：B
4、When there is a braking failure, the driver should first control the direction and then try to control the speed.
A、Right
B、Wrong
Answer：A
5、The sign on the right warns for livestock on the road ahead.
A、Right
B、Wrong
Answer：B
6、The road marking on the right lane indicates that drivers may temporarily borrow the special lane for buses.
A、Right
B、Wrong
Answer：B
7、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
8、When there is a braking failure on a downhill road, if there is no other alternative, the driver may rub the vehicle body against the rocks and trees on roadside to force the vehicle to slow down and stop.
A、Right
B、Wrong
Answer：A
9、When reversing in this condition, in which of the following ways can motor vehicle drivers keep safe?
A、Reverse at a lower speed
B、Voluntarily stop and yield
C、Continuously sound the horn to alert
D、Reverse in a clockwise direction
Answer：B
10、When driving on an expressway, which of the following statements is correct?
A、Drives may overtake on either the ramp, the acceleration lane or the deceleration lane
B、Drives are prohibited from reversing, driving in the opposite direction or making a U turn by crossing the central dividing strip
C、Drivers may drive on the emergency lane in a non-emergency case
D、Drives may test a motor vehicle or learn to drive
Answer：B
11、What does this sign on the fly-over junction indicate?
A、Turn right
B、Drive straight or turn left
C、Drive straight or turn right
D、Take a U-turn under bridge
Answer：C
12、When a gas tanker is leaking heavily, which of the following measures is wrong?
A、Cut off the power
B、Wear gas mask and protect gloves
C、Turn off the valve to stop leaking
D、Evacuate people to the leeward side
Answer：D
13、The marking on the road surface indicates that the speed limit of this road section is 80 km/hour.
A、Right
B、Wrong
Answer：B
14、When the motor vehicle stops on a downhill section how should the driver use the foot brake?
A、Earlier than on a level road
B、Later than on a level road
C、As timely as on a level road
D、Gently depress the foot brake pedal
Answer：A
15、What should the driver do when seeing these hand signals?
A、Go straight and pass through the intersection
B、Pull over
C、Drive to the waiting area for turning left
D、Turn right at the intersection
Answer：D
16、When a motor vehicle temporarily stops in fog, which lamp should be turned on?
A、Hazard lamp, clearance lamp and rear position lamp
B、Left-turn indicator, clearance lamp and rear position amp
C、Headlamp, clearance lamp and rear position lamp
D、Reverse lamp, clearance lamp and rear position lamp
Answer：A
17、When a motor vehicle passes over an overflowing bridge, what should the driver do after stopping and observing closely?
A、Change to a high gear and pass rapidly
B、Constantly observe the changes of the flow
C、Prepare to stop at any time
D、Change to a low gear and pass through at a constant speed
Answer：D
18、The sign in front is an advance announcement of the directions led by this intersection.
A、Right
B、Wrong
Answer：A
19、What's the meaning of the sign on the right?
A、Long-time parking permitted
B、Temporary parking permitted
C、Long waiting for passengers permitted
D、No parking
Answer：B
20、The main reason for this accident is that the pedestrian crossed the street in front of the motor vehicle.
A、Right
B、Wrong
Answer：B