1、How many kinds of law-breaking acts are displayed in flash 4?
A、One
B、Two
C、Three
D、Four
Answer：C
2、How to ensure motor vehicles have sufficient power when driving uphill?
A、Downshift before reducing speed
B、Downshift after reducing speed
C、Downshift when the speed is excessively low
D、Downshift to the fullest extent
Answer：A
3、How should the driver use vehicle lights when the motor vehicle leaves a roundabout?
A、Turn on the left-turn indicator
B、Turn on the hazard lamps
C、No need to turn on any indicators
D、Turn on the right-turn indicator
Answer：D
4、When a motor vehicle approaches the exit of a tunnel the driver should firmly hold the steering wheel to prevent any harmful effects of a strong side wind.
A、Right
B、Wrong
Answer：A
5、The sign on the right indicates to stop and yield for oncoming vehicles approaching on the road ahead.
A、Right
B、Wrong
Answer：B
6、Drivers may temporarily cross these central broken and solid yellow lines when overtaking.
A、Right
B、Wrong
Answer：A
7、Motor vehicles are prohibited from stopping on the ramp of an expressway.
A、Right
B、Wrong
Answer：A
8、This sign warns that the section ahead is under traffic monitoring.
A、Right
B、Wrong
Answer：A
9、Which of the following is a basic requirement for rescuing the injured at the scene of a traffic accident?
A、Treat wounds first and safe life later
B、Save life first and treat wounds later
C、Help lightly wounded persons first
D、Help seriously wounded persons later
Answer：B
10、When driving on this dangerous mountainside road, motor vehicles should drive along the right side of the road.
A、Right
B、Wrong
Answer：A
11、The sign on the right indicates the road width ahead is limited to 3 meters.
A、Right
B、Wrong
Answer：A
12、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
13、Under such circumstances, motor vehicle drivers lould follow the vehicle in front and drive into the Intersection to wait.
A、Right
B、Wrong
Answer：B
14、The sign on the right warns of a winding road to the left ahead.
A、Right
B、Wrong
Answer：B
15、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
16、As shown in the flash, the driver's act is correct.
A、Right
B、Wrong
Answer：B
17、Having driven a medium passenger vehicle (carrying 27 passengers) to the southern end of Qianling Village of Sidu Town, Mr Xu drove upslope but the vehicle slid backward and dropped from an 80-meter cliff, killing 11 people and injuring 7. Which of the following law-breaking acts did Mr Luo commit?
A、Fatigued driving
B、Drunk driving
C、Exceeding the carrying capacity of the passenger vehicle
D、Speeding
Answer：C
18、At 13: 10 pm, Mr Luo set out in his medium bus from 0 km mark on the highway, and by 14: 10 had passed the 125km mark by 200 meters, he caused a rear-end collision with a motor vehicle that ran into the side slope on the southwest side, killing 11 people and injuring 2. Which of the following law-breaking acts did Mr. Luo commit?
A、Speeding
B、Driving not in accordance with traffic markings
C、Exceeding carrying capacity
D、Fatigued driving
Answer：A
19、had a head-on collision at the speed of 40 kilometers per hour with Mr. Wangs three-wheeled freight motorcycle carrying 19 passengers, killing10 people nd injuring 9. What are the main illegal acts committed by the two drivers?
A、Mr Ye drove an unpermitted vehicle type
B、Mr. Wang drove a freight motorcycle to carry passengers
C、Mr Ye exceeded the speed limit
D、Mr. Wang failed to follow the guidance of the traffic signal lights
Answer：BC
20、The sign on the left warns that there are vehicles converging into the intersection on the left.
A、Right
B、Wrong
Answer：A
21、If a fast-moving motor vehicle has a steering failure, using emergency braking will not cause an overturn.
A、Right
B、Wrong
Answer：B
22、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
23、The guide arrow on the road surface of this lane indicates that U-turns and left turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：A
24、When encountering an emergency on a highway, the driver should not drastically turn to evade.
A、Right
B、Wrong
Answer：A
25、When encountering a school bus which stops at the right roadside and students are embarking or disembarking, what should motor vehicle drivers do?
A、If there is only one motor vehicle lane in each direction, motor vehicle drivers behind the bus should stop and wait.
B、If there are two motor vehicle lanes in each direction, motor vehicle drivers in the left lane behind the bus may overtake the bus at a lower speed
C、If there are three motor vehicle lanes in each direction, motor vehicle drivers in the middle lane behind the bus should stop and wait
D、If there are three motor vehicle lanes in each direction, motor vehicle drivers in the left lane behind the bus may pass at a lower speed
Answer：ACD