1、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
2、When rescuing a wounded person who has been poisoned by toxic gas, the first measure is to send him/her to a place with fresh air so that he/she will not continue to be poisoned.
A、Right
B、Wrong
Answer：A
3、For a temporary stop on a foggy day, the driver should only turn on the fog lamp and the low-beam
A、Right
B、Wrong
Answer：B
4、When rescuing a wounded person who has been poisoned by toxic gas, the first measure is to send him to a place where air is fresh so that he will not continue to be poisoned.
A、Right
B、Wrong
Answer：A
5、When driving, besides paying attention to keeping a safe distance from the vehicle in front, drivers should also be prudent when braking so as to avoid a rear-end collision caused by a vehicle behind.
A、Right
B、Wrong
Answer：A
6、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
7、What is the most frequent problem for driving on a muddy road?
A、High resistance force
B、Sideways slide
C、The motor vehicle bumps
D、Steering failure
Answer：B
8、When use the brake of a motorcycle, use the front-wheel brake first, then use the back-wheel brake.
A、Right
B、Wrong
Answer：B
9、When passing through a tunnel, the wrong measure is to ___________.
A、Keep safe distance when two vehicles cross each other
B、Driving with the low beam light
C、Use the hight beam light when two vehicles cross each other
D、Overtaking in the tunnel
Answer：CD
10、When using splints, sticks or tree branches to keep the unexposed bones in position, it is necessary that these things should exceed the upper and lower joints of the wound.
A、Right
B、Wrong
Answer：A
11、Why is it dangerous to overtake on a snowy mud road in heavy snow?
A、Snow can increase tire adhesion
B、The flying mud made the sight bad.
C、Long braking distance in case of emergency
D、Pavement under snow and mud is easier to skid.
Answer：BCD
12、What is the meaning of this sign?
A、Customs inspection
B、Stop-for-inspection
C、Frontier inspection
D、No passing
Answer：B
13、Driving a motor vehicle in the downhill section of a mountain road avoids overtaking as much as possible because _______.
A、Vehicle resistance in downhill section is very high
B、Vehicles on downhill sections are more difficult to control than on flat roads due to gravity.
C、In downhill section, the front speed is faster and it is difficult to overtake.
D、Vehicles on downhill sections tend to be too fast due to gravity
Answer：BD
14、When a motor vehicle encounters pedestrian is passing at a crosswalk, the driver must slow down and pass slowly.
A、Right
B、Wrong
Answer：B
15、What is the meaning of this sign?
A、Slippery section
B、Sharp curve
C、Inverse curve
D、Continuous curves
Answer：D
16、When a motorcycle is making a turn in a high speed, the driver should avoid using the brake or use the brake less to prevent sideslip.
A、Right
B、Wrong
Answer：A
17、Once inflammable gas causes a fire disaster, it should be put out with water in good time.
A、Right
B、Wrong
Answer：B
18、Which is correct when riding a motorcycle
A、Both hands can temporarily leave the steering handle bar
B、Voluntarily operate the steering handle bar
C、It is prohibited to simultaneously move two hands from the steering handle bar
D、It is able to statically turn the steering handle bar
Answer：C
19、When parking temporarily on a snowy day, drivers should turn on the headlamp and fog lamp.
A、Right
B、Wrong
Answer：B
20、When a motor vehicle passes over an inundated road drivers should change to a high gear and pass rapidly.
A、Right
B、Wrong
Answer：B
21、Speeding up to go though the intersection before the light turns to red in this case.
A、Right
B、Wrong
Answer：B
22、The motor vehicle should speed up and pass rapidly under this situation.
A、Right
B、Wrong
Answer：B
23、What is the meaning of this sign?
A、No borrowing lane
B、No changing lane
C、No overtaking
D、No U turn
Answer：C
24、When a motorcycle braking on a road covered by ice and snow, the driver should adopt point braking and prepare their feet for landing when braking.
A、Right
B、Wrong
Answer：A