1、Under such circumstances, what should motor vehicle drivers do?
A、Overtake the vehicle quickly on its left
B、Keep a long braking space
C、Continuously sound the horn to alert the vehicle in front
D、Overtake the vehicle quickly from its right
Answer：B
2、When such circumstances happen suddenly, what should the driver do?
A、Reduce speed or stop to yield
B、Bypass in front of the pedestrians
C、Continuously sound the horn to alert the pedestrians
D、Bypass from behind the pedestrians
Answer：A
3、Mr Li drove a large bus with 21 passengers( capacity 35 people). He found the braking system was abnormal on the way but failed to repair it. When running on the Shuangdao Haiwan Bridge at a speed of 50 kilometers per hour(speed limit 40 km/h), the bus fell into the sea due to a braking system failure, killing 13 people and injuring 8. What's the main illegal act committed by Mr Li?
A、Speeding
B、Fatigued drivin
C、Carrying more passengers than permitted
D、Driving a motor vehicle with potential safety hazard
Answer：AD
4、The sign on the right warns that there are vehicles converging into the intersection on the right.
A、Right
B、Wrong
Answer：A
5、Motor vehicles are prohibited from stopping on the ramp of an expressway.
A、Right
B、Wrong
Answer：A
6、Motor vehicles should stop and wait when encountering two red lights flashing alternately at evel crossings.
A、Right
B、Wrong
Answer：A
7、When encountering an emergency on a highway, the driver should not drastically turn to evade.
A、Right
B、Wrong
Answer：A
8、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
9、The white solid line on the right side of the road indicates the boundary of a driving lane and crosswalk.
A、Right
B、Wrong
Answer：B
10、The guide arrow on the road surface of this lane indicates that there is an intersection on the right side of the road.
A、Right
B、Wrong
Answer：B
11、The sign on the right warns of a danger from rockfall on the left side.
A、Right
B、Wrong
Answer：A
12、The sign in front indicates that vehicles except public buses are not allowed to drive in this lane.
A、Right
B、Wrong
Answer：A
13、When a motor vehicle encounters a group of youngsters bypassing the motor vehicles parking beside the road, the driver should slow down voluntarily and yield.
A、Right
B、Wrong
Answer：A
14、The yellow broken line on the curb indicates that vehicles are not allowed to stop and let passengers embark or disembark or load and unload freight at the roadside.
A、Right
B、Wrong
Answer：B
15、The sign on the right indicates that sounding the horn is prohibited here.
A、Right
B、Wrong
Answer：B
16、When driving in rain and encountering pedestrians with umbrellas or wearing raincoats, what should be done by motor vehicle drivers in order to yield?
A、Drive at a normal speed
B、Sound the horn to alert when approaching the pedestrians
C、Speed up and bypass on the left
D、Reduce speed and sound the horn in advance
Answer：D
17、The diamond-shaped broken line warns that drivers should drive at a lower speed on the road sections ahead.
A、Right
B、Wrong
Answer：A
18、When disembarking, what should be done by drivers in order to keep safe?
A、Opening the door and disembarking immediately after stopping
B、Observing the traffic situation ahead
C、Opening the door first and then observing the situation beside and behind the vehicle
D、Observing the situation beside and behind the vehicle before opening the door slowly
Answer：D
19、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
20、When driving on a road covered with ice and snow, the motor vehicle may spin or slide when increasing the speed urgently, due to the loss of vehicle stability.
A、Right
B、Wrong
Answer：A
21、What matters need attention when driving on a rainy day?
A、Avoid using the emergency brake or making sharp turns
B、Keep a safe enough distance
C、Observe the traffic situation of non-motor vehicles and surrounding pedestrians
D、Drive at a safe speed
Answer：ABCD
22、Motor vehicles are prohibited from driving straight or turning left in this situation.
A、Right
B、Wrong
Answer：A
23、vehicles to pass an intersection marked with this sign?
A、Stopping and observing the traffic situation around the intersection
B、Approaching the intersection by speeding up
C、Approaching the intersection at a reduced speed
D、Observing the traffic situation on the left rear side
Answer：A
24、The cross-hatched marking indicates an area where vehicle drivers are not allowed to stop.
A、Right
B、Wrong
Answer：A
25、The road marker indicates that vehicles are only allowed to turn right at the intersection ahead.
A、Right
B、Wrong
Answer：B