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、Which is the wrong measure to avoid tire burst?
A、Reduce tire pressure
B、Check tires regularly
C、Remove foreign matters from the tire tread grooves timely
D、Replace tires that have cracks or deep cuts
Answer：A
3、Motor vehicle drivers may make a U-turn in the broken line area as long as it will not affect the normal traffic flow.
A、Right
B、Wrong
Answer：A
4、The sign in front is an advance announcement of the directions led by the interchange.
A、Right
B、Wrong
Answer：A
5、After a traffic accident, what is the most effective measure to prevent secondary accidents?
A、Evacuate all passengers
B、Turn on the hazard lamps
C、Mark the original place of the injured persons
D、Properly place the danger warning sign
Answer：ABD
6、The sign on the right warns of entering a tunnel, and requires reduced speed.
A、Right
B、Wrong
Answer：B
7、The leading cause of this accident is that the driver failed to make sure that it was safe to reverse before doing so.
A、Right
B、Wrong
Answer：A
8、Matches, sulfur and red phosphorus belong to which of the following dangerous chemicals?
A、Explosives
B、Oxidizing materials
C、Self-igniting articles
D、Inflammable solid materials
Answer：D
9、In which ones of the following ways can motor vehicle drivers effectively prevent braking failure?
A、Maintaining the braking system periodically
B、Checking the free brake pedal travel before driving
C、Using the braking system correctly to avoid brake-fade
D、For vehicles with hydraulic braking system, checking if the brake fluid leaks before driving
Answer：ABCD
10、At this intersection, motor vehicle drivers may directly make a U-turn along the U-turn turning lane.
A、Right
B、Wrong
Answer：B
11、When a bicycle borrows the motor vehicle lane, the motor vehicle may sound the horn hurriedly to warn the bicycle to yield.
A、Right
B、Wrong
Answer：B
12、The crosswalk of the intersection warns that pedestrians have priority.
A、Right
B、Wrong
Answer：A
13、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
14、When encountering such a situation, the motor vehicle driver should change to the left lane rapidly.
A、Right
B、Wrong
Answer：B
15、When driving a vehicle equipped with power steering what should the driver do upon finding that steering is difficult?
A、Stop and identify the cause
B、Control the steering and drive slowly
C、Drive at a lower speed
D、Keep the vehicle going straight
Answer：A
16、When passing a sharp curve, motor vehicle drivers may overtake if there are few other vehicles on the road.
A、Right
B、Wrong
Answer：B
17、When encountering children in this condition, what should motor vehicle drivers do?
A、Go ahead by following the children closely
B、Speed up and overtake from the left side of the children
C、Sound the horn to alert the children
D、Reduce speed or stop to yield
Answer：D
18、When a motor vehicle equipped with ABS makes an emergency brake, the driver can tread the brake pedal heavily.
A、Right
B、Wrong
Answer：A
19、What should be done when drivers evade an emergency on the highway?
A、Take braking measures to reduce speed
B、Yield by turning to the left side
C、Evade by swiftly turning the steering wheel
D、Yield by turning to the right side
Answer：A
20、When a motor vehicle skids sideways on a muddy road, the driver should turn the steering wheel in the direction of the rear wheel skidding to properly adjust the direction.
A、Right
B、Wrong
Answer：A