1、How many kinds of law-breaking acts are displayed in flash 4?
A、One
B、Two
C、Three
D、Four
Answer：C
2、Mr Li drove a large bus with 21 passengers( capacity 35 people). He found the braking system was abnormal on the way but failed to repair it. When running on the Shuangdao Haiwan Bridge at a speed of 50 kilometers per hour(speed limit 40 km/h), the bus fell into the sea due to a braking system failure, killing 13 people and injuring 8. What's the main illegal act committed by Mr Li?
A、Speeding
B、Fatigued drivin
C、Carrying more passengers than permitted
D、Driving a motor vehicle with potential safety hazard
Answer：AD
3、Which one of the following is the safest way when driving a motor vehicle on this road?
A、Speed up and bypass the obstacle
B、Take the opposite lane and compel the other vehicle to yield
C、Stop and yield to the oncoming vehicle
D、Sound the horn or turn on the headlamp
Answer：C
4、Motor vehicles are prohibited from driving straight or turning left in this situation.
A、Right
B、Wrong
Answer：A
5、Which one of the following is the safest way when driving a motor vehicle on this road?
A、Cutting speed or stopping to yield
B、Driving along the center of the road
C、Keeping a normal speed
D、Approaching vehicles by taking the opposite lane
Answer：A
6、The sign in front indicates an indoor parking ground 100 meters ahead.
A、Right
B、Wrong
Answer：A
7、The sign in front is an advance announcement of the directions led by the interchange.
A、Right
B、Wrong
Answer：A
8、The sign in the red circle indicates that the left road is only for small vehicles.
A、Right
B、Wrong
Answer：B
9、The sign in front is an advance announcement of famous places and distances en route.
A、Right
B、Wrong
Answer：A
10、Motor vehicles are prohibited from turning left in this situation.
A、Right
B、Wrong
Answer：A
11、When encountering this situation in a residential area the driver should speed up and pass in front of the bicycle.
A、Right
B、Wrong
Answer：B
12、These traffic police signals indicate that passing is prohibited.
A、Right
B、Wrong
Answer：A
13、As shown in the flash, the driver's act is correct.
A、Right
B、Wrong
Answer：B
14、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
15、When encountering such pedestrians, what should motor vehicle drivers do?
A、Go ahead along the middle line of the road
B、Continuously sound the horn
C、Speed up and overtake
D、Pay attention to the actions of such pedestrians
Answer：D
16、When a motor vehicle passes over an inundated road drivers should change to a high gear and pass rapidly.
A、Right
B、Wrong
Answer：B
17、The sign on the right warns of a danger from rockfall on the left side.
A、Right
B、Wrong
Answer：A
18、The sign on the right indicates that vehicles from the primary road have priority.
A、Right
B、Wrong
Answer：A
19、When approaching a sharp curve, motor vehicle drivers should reduce speed only after entering the curve.
A、Right
B、Wrong
Answer：B
20、A motor vehicle may stop and yield if it encounters any problem when changing to the driving lane from an acceleration lane.
A、Right
B、Wrong
Answer：B
21、How should a motor vehicle follow the other vehicle In front when driving on a road covered with ice and snow?
A、Keep a long safe distance
B、Turn on hazard lamp
C、Change between high-and-low beam alternatively
D、Sound the horn in due time to give a notice to the vehicle in front
Answer：A
22、Mr. Qian drove a large sleeper coach with 45 passengers (capacity 40 people) at a speed of more than 40 kilometers per hour. On a long slope with sharp curves in Basu County, the coach fell into a 100-meter-deep valley, killing 17 people and injuring 20. What's the main illegal act committed by MrQian?
A、Making a cellphone call while driving
B、Speeding
C、Carrying more people than permitted
D、Fatigued driving
Answer：BC
23、The broken white reflective line on the road warns that drivers should drive at a lower speed on the road section ahead.
A、Right
B、Wrong
Answer：A
24、The sign on the left indicates that drivers should stop to take a pass card at the toll station ahead.
A、Right
B、Wrong
Answer：A
25、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