1、When a gas tanker is leaking heavily, which of the following measures is wrong?
A、Cut off the power
B、Wear gas mask and protect gloves
C、Turn off the valve to stop leaking
D、Evacuate people to the leeward side
Answer：D
2、The sign on the right indicates the location of the highway emergency phone.
A、Right
B、Wrong
Answer：B
3、What should be checked before driving?
A、No parts need to be checked
B、Whether the tires have been cleaned
C、Where the spare tire is placed
D、The fastening and air pressure of tires
Answer：D
4、When a motor vehicle catches fire, the driver should swiftly turn off the engine and open the hood to extinguish the fire.
A、Right
B、Wrong
Answer：B
5、Sideslip happens most easily on which one of the following road surfaces?
A、Dry concrete road
B、Road surface at the beginning of rain
C、Damp concrete road surface
D、Road in heavy rain
Answer：B
6、When a motor vehicle passes over an overflowing bridge, what should the driver do after stopping and observing closely?
A、Change to a high gear and pass rapidly
B、Constantly observe the changes of the flow
C、Prepare to stop at any time
D、Change to a low gear and pass through at a constant speed
Answer：D
7、When parking for a long time on a downward slope due to breakdown on the road, drivers should use this method to stop up wheels.
A、Right
B、Wrong
Answer：A
8、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
9、When driving on a foggy day, the driver should turn on the fog lamp.
A、Right
B、Wrong
Answer：A
10、The driver may not change lanes when the motor vehicle turns right at this intersection.
A、Right
B、Wrong
Answer：B
11、Motor vehicle drivers are allowed to make a U-turn at this intersection.
A、Right
B、Wrong
Answer：B
12、Under such circumstances, what should be done by the motor vehicle driver?
A、Overtaking the vehicle in front on its left
B、Overtaking by occupying the opposite lane
C、Overtaking the vehicle in front on its right
D、Following the vehicle in front
Answer：D
13、The broken yellow line in the center of the road indicates that overtaking by crossing the line is permitted in safe situations.
A、Right
B、Wrong
Answer：A
14、When parking for a long time on an upward slope due to breakdown on the road, drivers should use this method to stop up wheels.
A、Right
B、Wrong
Answer：B
15、Those traffic police signals mean turning right.
A、Right
B、Wrong
Answer：B
16、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
17、What should the driver do when seeing these hand signals?
A、Turn left at the intersection
B、Stop and wait
C、Go straight at the intersection
D、Drive to the waiting area for turning left
Answer：B
18、This sign warns of an intersection of railways and highways ahead.
A、Right
B、Wrong
Answer：A
19、Drivers may go ahead when traffic polices posture is like this.
A、Right
B、Wrong
Answer：A
20、A motor vehicle may stop and yield if it encounters any problem when changing to the driving lane from an acceleration lane.
A、Right
B、Wrong
Answer：B
21、The main impact of muddy roads on safe driving is that the wheels may easily spin and skid
A、Right
B、Wrong
Answer：A
22、When rescuing a wounded person suffering blood loss in an emergency, it is necessary to first stop the bleeding by compression before other treatments are taken in accordance with the conditions of bleeding.
A、Right
B、Wrong
Answer：A
23、When driving on this dangerous mountainside road motor vehicle drivers should drive along the left side of the road.
A、Right
B、Wrong
Answer：B
24、The sign in the red circle indicates that the left road is only for small vehicles.
A、Right
B、Wrong
Answer：B
25、The sign on the right warns of low-lying road ahead.
A、Right
B、Wrong
Answer：A