1、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
2、Which of the following measures should be taken first when rescuing a wounded person suffering blood loss?
A、Observe
B、Dress the wounds
C、Stop bleeding
D、Inquire
Answer：C
3、When reversing in this condition, in which of the following ways can motor vehicle drivers keep safe?
A、Reverse at a lower speed
B、Voluntarily stop and yield
C、Continuously sound the horn to alert
D、Reverse in a clockwise direction
Answer：B
4、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
5、The guide arrow on the road surface of this lane indicates that only left and right turns are permitted on the lanes ahead.
A、Right
B、Wrong
Answer：A
6、How many kinds of law-breaking acts are displayed in flash 2?
A、One
B、Two
C、Three
D、Four
Answer：B
7、The sign on the right indicates right-hand turn only.
A、Right
B、Wrong
Answer：A
8、Drivers may turn right at the intersection when traffic police give these hand signals.
A、Right
B、Wrong
Answer：A
9、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
10、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
11、When driving on a snowy day, drivers should follow the tracks on the road before them.
A、Right
B、Wrong
Answer：A
12、The sign on the right indicates that the speed limit is 50km/hour.
A、Right
B、Wrong
Answer：B
13、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
14、The motor vehicle should speed up and pass rapidly under this situation.
A、Right
B、Wrong
Answer：B
15、The marking on the road surface indicates that the speed limit of this road section is 50 km/hour.
A、Right
B、Wrong
Answer：A
16、The sign in front is an advance announcement of famous places and distances en route.
A、Right
B、Wrong
Answer：A
17、Motor vehicles are not permitted to change lanes in this position.
A、Right
B、Wrong
Answer：A
18、When a fast-moving vehicle is likely to collide with the vehicle in front, what should the driver do?
A、Brake to reduce speed first, and then steer to evade
B、Turn the steering wheel quickly to the left side to evade
C、Turn the steering wheel quickly to the right side to evade
D、Steer to evade first, and then brake to reduce speed
Answer：A
19、It is an illegal act for the driver to make calls while driving.
A、Right
B、Wrong
Answer：A
20、When the motor vehicle encounters a crosswalk in this situation, the driver may speed up and pass rapidly.
A、Right
B、Wrong
Answer：B
21、The sign on the right warns of a wildlife protection area ahead.
A、Right
B、Wrong
Answer：B
22、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
23、Which of the following is a basic requirement for rescuing the injured at the scene of a traffic accident?
A、Treat wounds first and safe life later
B、Save life first and treat wounds later
C、Help lightly wounded persons first
D、Help seriously wounded persons later
Answer：B
24、Motor vehicle drivers may reverse at an intersection.
A、Right
B、Wrong
Answer：B
25、This sign indicates the traffic broadcast and radio television channel of highway.
A、Right
B、Wrong
Answer：B