1、There is a risk of overtaking when driving a motor vehicle approaches the top of the slope on a mountainous road, because _____.
A、When approaching the top of the slope, the line of sight is blocked and it is impossible to observe the traffic situation.
B、When approaching the top of the slope, the line of sight is blocked. It is impossible to observe whether there are obstacles behind the top of the slope.
C、The speed is slower when approaching the top of the slope.
D、When approaching the top of the slope, the line of sight is blocked and the road direction behind the top of the slope can not be observed.
Answer：ABD
2、Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
A、Right
B、Wrong
Answer：A
3、When the driver discovers a tire is leaking and steers the vehicle off the main driving lane, he/she should refrain from applying emergency braking so as to avoid a vehicle turnover or a rear-end collision arising from the late braking of the vehicle behind.
A、Right
B、Wrong
Answer：A
4、When rescuing a wounded person in an emergency, it is necessary to firstly stop the bleeding by compression before other methods are taken according to the conditions of bleeding.
A、Right
B、Wrong
Answer：A
5、What should the driver pay attention to when the motor vehicle passes a school?
A、Observe the traffic signs and markings
B、Slow down and pass slowly
C、Prohibited from sounding the horn
D、Pass rapidly
Answer：ABC
6、After a tire blows out and before the driver can control the speed of the vehicle, he should refrain from using the foot brake to stop the vehicle. Otherwise, a horizontal swing of the vehicle can cause greater danger.
A、Right
B、Wrong
Answer：A
7、What should motor vehicle drivers do when approaching an oncoming vehicle on a frozen road?
A、Cut speed as approaching each other
B、Pass each other by speeding up properly
C、Pass each other slowly by cutting speed in advance
D、Pass each other along the central line to the best
Answer：C
8、Which of the following measures is correct for rescuing a person sustaining full-body burns?
A、Cover the fire with sandy soil
B、Spray cool water to his body
C、Put out the fire by extinguisher
D、Help to remove the burning clothes
Answer：B
9、Rescue personnel should check the breath of the unconscious person before applying any other emergency treatment.
A、Right
B、Wrong
Answer：A
10、When a motor vehicle encounters a burning phenomenon, it should leave the vehicle quickly so as not to cause injury or asphyxia to the respiratory tract.
A、Right
B、Wrong
Answer：A
11、Which of the following is a bad habit when changing lanes?
A、Turning on the indicator in advance
B、Observing closely before changing a lane
C、Change lanes at will
D、Not obstructing the passing of other normally moving vehicles
Answer：C
12、When a wounded person suffering bone fracture in the thigh, shank and spine, it is necessary to keep the fracture in position and refrain to move the wounded person.
A、Right
B、Wrong
Answer：A
13、What is the meaning of this sign?
A、Hump bridge
B、High outburst road
C、Low-lying road
D、Bump road
Answer：A
14、What is the meaning of this sign?
A、Stop by the left side of the road
B、Downhill section left
C、Left turn only
D、Run by the left side of the road
Answer：D
15、What is the meaning of this sign?
A、No left turn
B、Leftt and right turn
C、No leftt and right turn
D、No right turn
Answer：B
16、A correct measure to avoid tire burst of motor vehicles is to lower the tire pressure.
A、Right
B、Wrong
Answer：B
17、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
18、When rescuers enter the scene to rescue the wounded after harmful gas leakage caused by traffic accidents, they must wear air respirators or cover their mouth and nose with wet towels.
A、Right
B、Wrong
Answer：A
19、When overtaking on a rainy day, drivers should turn on headlamps and sound a long horn.
A、Right
B、Wrong
Answer：B
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、What is the meaning of this sign?
A、Customs inspection
B、Stop-for-inspection
C、Frontier inspection
D、No passing
Answer：B
22、When running in a high speed, if only use the front brake, the driver can be easily thrown out due to the inertia.
A、Right
B、Wrong
Answer：A
23、Violent wind can cause a sideways swerve to a running vehicle.
A、Right
B、Wrong
Answer：A
24、The motorized vehicle driver may go through an intersection rapidly when there is no traffic signal
A、Right
B、Wrong
Answer：B
25、What is the meaning of this sign?
A、Reducing speed 40m ahead
B、Minimum speed is 40km/hr
C、Axle weight limit is 40 tons
D、Maximum speed limit is 40km/hr
Answer：D