1、How many kinds of law-breaking acts are displayed in flash 4?
A、One
B、Two
C、Three
D、Four
Answer：C
2、Under such circumstance at an intersection. motor vehicle drivers should be prepared to stop and yieldat any time.
A、Right
B、Wrong
Answer：A
3、If a motor vehicle experiences a "water sliding" phenomenon when running on an expressway in rain, what should the driver do?
A、Slow down by suddenly depressing the brake pedal
B、Slow down by slowly releasing the accelerator pedal
C、Turn the steering wheel immediately to adjust the direction
D、Speed up to increase the displacement of the wheels
Answer：B
4、Before setting off, it is necessary to check the driving cabin, engine cabin, external and tires of the motor vehicle.
A、Right
B、Wrong
Answer：A
5、The sign on the right warns of a one-way tunnel ahead.
A、Right
B、Wrong
Answer：B
6、After a motor vehicle enters the ramp from an expressway, it should reduce its speed below the prescribed speed limit.
A、Right
B、Wrong
Answer：A
7、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
8、What should motor vehicle drivers do under such circumstances at night?
A、Turn off the headlamp when approaching
B、Use low-beam
C、Use high-beam
D、Turn off all lamps in advance
Answer：B
9、The sign on the left warns that there are vehicles converging into the intersection on the left.
A、Right
B、Wrong
Answer：A
10、What influence does smoking have upon driving?
A、Harmful for safe driving
B、Increase concentration
C、Help relaxation
D、No effect on driving
Answer：A
11、Before a motor vehicle enters a tunnel, the driver should adjust the speed in accordance with the indication of the traffic sign at the entrance of the tunnel.
A、Right
B、Wrong
Answer：A
12、Under such circumstances, what should motor vehicle drivers do?
A、Continuously sound the horn
B、Pass quickly
C、Pass at a lower speed
D、Bypass from either side
Answer：C
13、A correct measure to avoid tire burst of motor vehicles is to lower the tire pressure.
A、Right
B、Wrong
Answer：B
14、What should the driver do when the motor vehicle encounters this situation in a residential area?
A、Stop immediately
B、Speed up and pass rapidly
C、Sound the horn continuously
D、Slow down and pass slowly
Answer：A
15、The sign in front indicates the allocation of roads ahead.
A、Right
B、Wrong
Answer：B
16、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
17、Under such circumstances, what should motor vehicle drivers do?
A、Overtake the vehicle quickly on its left
B、Keep a long braking space
C、Continuously sound the horn to alert the vehicle in front
D、Overtake the vehicle quickly from its right
Answer：B
18、The sign on the right indicates an emergency shield 100 meters ahead.
A、Right
B、Wrong
Answer：A
19、When overtaking on a rainy day, drivers should turn on headlamps and sound a long horn.
A、Right
B、Wrong
Answer：B
20、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
21、The sign on the right warns of a hump bridge right ahead.
A、Right
B、Wrong
Answer：B
22、The sign on the right indicates a bypass route at the intersection ahead.
A、Right
B、Wrong
Answer：A
23、When the wounded person is suffering main artery bleeding, where should the rescue personnel press by thumb to stop the bleeding?
A、The artery near the heart
B、The artery lower to the wound
C、The artery further from the heart
D、The artery in the center of the wound
Answer：A
24、The sign on the right warns of children on the section ahead.
A、Right
B、Wrong
Answer：B
25、When a motor vehicle accidentally hits the guardrail of a highway, an effective protective measure is to turn dramatically in the opposite direction.
A、Right
B、Wrong
Answer：B