1、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
2、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
3、What influence does smoking have upon driving?
A、Harmful for safe driving
B、Increase concentration
C、Help relaxation
D、No effect on driving
Answer：A
4、When encountering this situation, which of the following is the correct way to overtake other vehicles?
A、Turn on high-beam
B、Use high-beam and low-beam alternatively
C、Turn on low-beam
D、Turning on hazard lamp
Answer：B
5、Motor vehicles are prohibited from turning left in this situation.
A、Right
B、Wrong
Answer：A
6、Under such circumstances, motor vehicle drivers should stop and yield
A、Right
B、Wrong
Answer：A
7、The sign on the right indicates a 200-meter distance from the gas station ahead.
A、Right
B、Wrong
Answer：A
8、Drivers may turn left when seeing these hand signals.
A、Right
B、Wrong
Answer：A
9、The solid yellow line on the curb indicates that temporary stopping or parking is allowed at the roadside.
A、Right
B、Wrong
Answer：B
10、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
11、Upon encountering this traffic signal, how should a driver react?
A、Observe the traffic situation and pass at a reduced speed
B、Pass at an increased speed without changing gears
C、Pass before the train comes
D、Crossing the stop line is prohibited
Answer：D
12、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
13、What's the main impact of foggy weather on safe driving?
A、Easy to slide sideways
B、Low visibility
C、Increase the resistance
D、Widen the field of vision
Answer：B
14、Motor vehicle drivers should use the windscreen wiper when setting off on a rainy day
A、Right
B、Wrong
Answer：A
15、The driver should turn on the left-turn indicator after entering the acceleration lane on an expressway.
A、Right
B、Wrong
Answer：B
16、Under such circumstances, motor vehicle drivers lould follow the vehicle in front and drive into the Intersection to wait.
A、Right
B、Wrong
Answer：B
17、When braking, the steering will become impossible if the front wheels are blocked
A、Right
B、Wrong
Answer：A
18、The sign on the right indicates that the speed limit of 40km/hour is lifted on the road ahead.
A、Right
B、Wrong
Answer：A
19、When driving on a muddy road, the driver should hold the steering wheel firmly and speed up to pass through.
A、Right
B、Wrong
Answer：B
20、The main impact of muddy roads on safe driving is that the wheels may easily spin and skid
A、Right
B、Wrong
Answer：A
21、The sign on the right warns for livestock on the road ahead.
A、Right
B、Wrong
Answer：B
22、The sign on the right indicates that drivers should choose their lanes in accordance withthe directions indicated by arrows.
A、Right
B、Wrong
Answer：A
23、The sign on the left warns that there are vehicles converging into the intersection on the left.
A、Right
B、Wrong
Answer：A
24、The sign on the right warns of three or more winding roads ahead.
A、Right
B、Wrong
Answer：B
25、What should the driver pay attention to in this situation?
A、Pedestrians passing behind the vehicle
B、Pedestrians passing in front of the vehicle
C、Public buses suddenly reversing
D、Public buses suddenly setting off
Answer：B