1、Which of the following is an inflammable solid material?
A、Matches
B、Gun powder
C、Calcium carbide
D、Explosives
Answer：A
2、The main reason for this accident is that the pedestrian crossed the street in front of the motor vehicle.
A、Right
B、Wrong
Answer：B
3、Before making a U-turn at the intersection ahead, motor vehicle drivers should drive to the lane for turning left and going straight.
A、Right
B、Wrong
Answer：B
4、Gun powder, explosives and detonating powder belong to which of the following dangerous chemicals?
A、Oxidizing materials
B、Inflammable solid materials
C、Explosives
D、Self-igniting articles
Answer：C
5、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
6、Mr. Qi drove a large bus with 28 passengers(capacit 55 people). When arriving at an intersection without any traffic signals from south to north at a speed of 50 kilometers per hour, the bus had a side collision with Mr. Li's heavy semi-trailer tractor (capacity 40 tons and carrying 55.2 tons) running from east to west. As a result of this accident, 12 people were killed and 17 injured. What are the main illegal acts in this case?
A、The bus carried more passengers than capacity
B、The bus exceeded the speed limit
C、The tractor carried more cargo than capacity
D、The driver of the tractor was inexperienced
Answer：BC
7、How many kinds of law-breaking acts are displayed in flash 5?
A、One
B、Two
C、Three
D、Four
Answer：C
8、When a motor vehicle on an expressway stops in an emergency due to breakdown or an accident, what should the driver and the passengers do?
A、Stand in front of the motor vehicle
B、Wait in the motor vehicle for rescue
C、Stand behind the motor vehicle
D、Promptly move to the road shoulder on the right side or the emergency lane
Answer：D
9、In such circumstances, which one of the following statements is the safest measure for a motor vehicle driver to take?
A、Accelerate to overtake the vehicle in front as soon as possibl
B、Voluntarily reduce speed and refrain from overtaking
C、Sound the horn to warn the vehicle in front to yield
D、Turn on the headlamp to warn the oncoming vehicle to yield
Answer：B
10、The sign on the right warns of no passing on either side of the road ahead.
A、Right
B、Wrong
Answer：B
11、As shown in the flash, when overtaking a vehicle in front, the driver should make the horizontal distance as large as possible and may cross the solid line if necessary.
A、Right
B、Wrong
Answer：B
12、The sign on the right warns of right-hand S-shaped bend ahead.
A、Right
B、Wrong
Answer：B
13、How to reduce speed or stop when driving on a road covered with snow and ice?
A、Take full advantage of driving brake
B、Take full advantage of the control power from engine
C、Take full advantage of parking brake
D、Take full advantage of speed retarder
Answer：B
14、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
15、What should the driver do when he/she encounters an oncoming ambulance in the same lane?
A、Keep to the side and reduce speed or stop to yield
B、Drive ahead by occupying another lane
C、Yield by speeding up and changing lanes
D、Drive ahead in the original lane
Answer：A
16、In the flash, it is correct for the driver to behave this way when there is a traffic jam caused by an accident on the expressway.?
A、Right
B、Wrong
Answer：B
17、When driving on a muddy road, what should the driver do?
A、Try to avoid using the foot brake
B、Drive slowly in mid or low gear
C、Firmly hold the steering wheel
D、Speed up and pass through
Answer：ABC
18、What should the driver do if the back wheel slides to the right on a muddy road?
A、Continuously speed up
B、Turn right
C、Turn left
D、Apply emergency brake
Answer：B
19、Which of the following is a bad driving habit when the vehicle in front is moving slowly in a queue?
A、Cutting in and rushing to pass
B、Not overtaking other vehicles forcefully
C、Stop or pass alternatively
D、Do not occupy on a non-motor vehicle lane
Answer：A
20、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