1、Mr. He drove his large bus with 53 passengers (permitted carrying capacity 47) to 454 km mark by 100m along the Yining-hefei Expressway in Nanjing jurisdiction, where he was tailgated by a heavy-type semitrailer tractor. The bus left the road, breaking through the guardrail and catching fire. 17 people were killed and 27 injured. Which of the following law-breaking acts did Mr. He commit?
A、Speeding
B、Exceeding the carrying capacity of the motor bus
C、Driving a motor vehicle overdue for annual inspection
D、Improper operation
Answer：B
2、Which is the correct way to use a fire extinguisher?
A、Stand on the leeward side
B、Direct the fire extinguisher at the source of fire
C、Try to approach the source of fire as close as possible
D、Direct the fire extinguisher at the flames
Answer：B
3、When this signal is constantly flashing, how should a driver react?
A、Speed up as soon as possible
B、Pull over and wait
C、Observe the traffic situation around to make sure of safe driving
D、Refrain from passing
Answer：C
4、The sign in front indicates a one-way lane after turning right.
A、Right
B、Wrong
Answer：A
5、vehicles to pass an intersection marked with this sign?
A、Stopping and observing the traffic situation around the intersection
B、Approaching the intersection by speeding up
C、Approaching the intersection at a reduced speed
D、Observing the traffic situation on the left rear side
Answer：A
6、How many kinds of law-breaking acts are displayed in flash 4?
A、One
B、Two
C、Three
D、Four
Answer：C
7、Under such circumstances, what should motor vehicle drivers do?
A、Guard against the sideslip of motor vehicles
B、Guard against the crossing of pedestrians
C、Speed up and pass through as quickly as possible
D、Continuously sound the horn
Answer：B
8、When driving onto the left lane, motor vehicle drivers are allowed to make a U-turn.
A、Right
B、Wrong
Answer：A
9、The motor vehicle may promptly overtake the vehicle in front from the left side in this situation.
A、Right
B、Wrong
Answer：B
10、What should be taken note of by drivers in this situation?
A、he motor vehicle(s)on the left side
B、The motor vehicle(s) on the right side
C、The motor vehicle(s) behind
D、The motor vehicle(s)in front
Answer：A
11、Under such circumstances, motor vehicles are allowed to cross the central solid line to overtake.
A、Right
B、Wrong
Answer：B
12、The sign indicates no overtaking on the section ahead.
A、Right
B、Wrong
Answer：B
13、What should be done to keep safe when a motor vehicle driver is overtaking in this condition?
A、Reducing speed and keeping a safe distance
B、Continuously sounding the horn to indicate the vehicle in front
C、Accelerating to pass while keeping a certain distance
D、Overtaking by occupying the opposite lane
Answer：A
14、How should the driver pass this place safely?
A、Speed up and pass in the front of the pedestrians
B、Bypass behind the pedestrians
C、Slow down and sound the horn
D、Stop and wait until the pedestrians pass
Answer：D
15、When driving on a road covered with ice and snow drivers should not use the emergency brake but can apply a sharp turn.
A、Right
B、Wrong
Answer：B
16、Those traffic police signals mean turning right.
A、Right
B、Wrong
Answer：B
17、A driver should accelerate in advance to overtake then it is likely to meet with oncoming vehicles.
A、Right
B、Wrong
Answer：B
18、If the road condition behind is good, motor vehicle drivers should reverse rapidly.
A、Right
B、Wrong
Answer：B
19、If a motor vehicle is unable to drive in heavy fog on an expressway due to an accident, what should the driver do?
A、The driver and all passengers should promptly get off the motor vehicle from the left side door
B、Set up a warning sign 100 meters behind the vehicle in the oncoming direction
C、Turn on the hazard lamp and the high-beam
D、Stand in a safe place outside the guardrail
Answer：D
20、The drivers, loaders and supercargoes responsible for dangerous chemicals transportation should all full understand the chemical characteristics, potential risks, features of the packaging containers and emergency measures for any unexpected accidents.
A、Right
B、Wrong
Answer：A
21、Drivers may go ahead when traffic polices posture is like this.
A、Right
B、Wrong
Answer：A
22、Under the circumstances shown in the flash, what should be done by the vehicle in front?
A、Reduce speed swiftly or apply emergency brake
B、Drive at a higher speed after giving a proper space
C、Reduce speed and yield by the right side of the road
D、Drive at a higher speed by the right side of the road
Answer：C
23、The sign in front indicates that the highway entry is on the right side of the road.
A、Right
B、Wrong
Answer：B
24、When a motor vehicle encounters an emergency on an expressway, the driver should not swiftly turn the steering wheel to evade.
A、Right
B、Wrong
Answer：A
25、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