1、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
2、After a motor vehicle falls into water, the driver should immediately close the windows to prevent water from flowing into the compartment and to keep the air from flowing out. At the same time, he/she should make calls to tell the rescue personnel the place of the accident and wait for their arrival.
A、Right
B、Wrong
Answer：B
3、When a motor vehicle breaks down and has to be stopped on the highway, what should the driver do?
A、Set up a breakdown warning sign 150 meters behind the vehicle
B、Set up a breakdown warning sign 100 meters behind the vehicle
C、If it happens at night, turn on the clearance lamp and rear position lamp
D、Turn on the hazard lamps
Answer：ACD
4、It is illegal to change lanes without turning on indicators.
A、Right
B、Wrong
Answer：A
5、Under this circumstance, motor vehicle drivers should not reduce speed.
A、Right
B、Wrong
Answer：B
6、When driving in rain and encountering pedestrians with umbrellas or wearing raincoats, what should be done by motor vehicle drivers in order to yield?
A、Drive at a normal speed
B、Sound the horn to alert when approaching the pedestrians
C、Speed up and bypass on the left
D、Reduce speed and sound the horn in advance
Answer：D
7、When the tire pressure is too low, what will happen if the tire changes its shape in waves and increases in temperature due to fast movement?
A、Unstable tire pressure
B、Even lower tire pressure
C、Driving resistance increases
D、Tire burst
Answer：D
8、Under the circumstances shown in the flash, what should the driver do?
A、Find a chance to overtake the vehicle in front
B、Weave through motor vehicles ahead and pass
C、Reduce speed, stop, and wait in line
D、Sound the horn to urge vehicles in front
Answer：C
9、How many kinds of law-breaking acts are displayed in flash 4?
A、One
B、Two
C、Three
D、Four
Answer：C
10、When braking failure happens to a fast-moving motor vehicle, what should be done by the driver to brake?
A、Continuously depressing the brake pedal
B、Immediately changing to a low gear to reduce speed and using the handbrake
C、Swiftly depressing the clutch pedal
D、Swiftly pulling up the handbrake
Answer：B
11、When putting out a fire disaster that gives out corrosive steam or poisonous gas, the firefighters should wear gas masks and other related protective articles and operate from the windward side.
A、Right
B、Wrong
Answer：A
12、What's the meaning of the sign on the right?
A、Drive on the right side of the road ahead
B、No entry ahead
C、One-way road ahead
D、Watch for the right-hand intersection ahead
Answer：C
13、What matters need attention when driving on a rainy day?
A、Avoid using the emergency brake or making sharp turns
B、Keep a safe enough distance
C、Observe the traffic situation of non-motor vehicles and surrounding pedestrians
D、Drive at a safe speed
Answer：ABCD
14、The sign on the right indicates that turning right is not permitted at the intersection ahead.
A、Right
B、Wrong
Answer：A
15、The sign on the right warns of a dangerous mountainside road on the left of the road ahead.
A、Right
B、Wrong
Answer：B
16、Which one of the following is a safe way for motor vehicles to converge into an intersection marked with this sign?
A、Speeding up and driving into the traffic flow directly
B、Driving into the traffic flow behind the gray car on the main road
C、Driving into the traffic flow from the front of the red car on the main road
D、Turning on the indicator and driving into the flow directly
Answer：B
17、A motor vehicle should not pass the level crossing rapidly in this situation.
A、Right
B、Wrong
Answer：A
18、The sign on the right indicates a one-kilometer distance from the ETC toll station.
A、Right
B、Wrong
Answer：A
19、The guide arrow on the road surface of this lane indicates that drivers are only permitted to continue straight at the intersection ahead.
A、Right
B、Wrong
Answer：B
20、The sign on the right side warns of a sharp right turn ahead.
A、Right
B、Wrong
Answer：A