1、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
2、A correct measure to avoid tire burst of motor vehicles is to lower the tire pressure.
A、Right
B、Wrong
Answer：B
3、When a motorcycle passing through an interchange discovers it has chosen a wrong route, it should immediately make a U turn from where it is or reverse to change route.
A、Right
B、Wrong
Answer：B
4、What is the meaning of this sign?
A、Sharp right curve
B、Bypass from right side
C、Continuous curves
D、Sharp left curve
Answer：A
5、What is the meaning of this sign?
A、No long time honking
B、Honk discontinuously
C、Reduce speed and honk
D、No honking
Answer：D
6、Which measures is correct when a motor vehicle turn around?
A、Turn around in the turning lane
B、Should not turn on the turning light
C、Turn around in the straight lane
D、Turn on the left-turn signal in advance
Answer：AD
7、When a vehicle stops temporarily at the roadside at night, the wrong measure is to ______.
A、Turn on the warning flash light
B、Turn on the contour light
C、Turn on the high beam light
D、Turn off all lights
Answer：CD
8、What is the meaning of this sign?
A、School area
B、Watch for children
C、Crosswalk
D、Watch for pedestrians
Answer：B
9、Drivers who ride motorcycles are able to not wear safety helmets.
A、Right
B、Wrong
Answer：B
10、When the tire pressure is too low, what will happen if the tire changes its shape in waves and increases in temperature due to fast movement?
A、Unstable tire pressure
B、Even lower tire pressure
C、Driving resistance increases
D、Tire burst
Answer：D
11、When a vehicle approaches an intersection without crosswalk, the driver should _______ if he finds people are crossing the street.
A、Reduce speed or stop to yield
B、Honk to indicate them to yield
C、Pass before the pedestrians
D、Immediately change lane and bypass the pedestrians
Answer：A
12、When approaching a sharp curve, motor vehicle drivers should reduce speed only after entering the curve.
A、Right
B、Wrong
Answer：B
13、Whats the meaning of this mark on the road?
A、The lane for non-motorized vehicles
B、The special lane for motorcycles
C、The special lane for battery bicycles
D、the special lane for bicycles
Answer：A
14、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
15、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
16、Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
A、Right
B、Wrong
Answer：A
17、When encountering a school bus which stops at the right roadside and students are embarking or disembarking, what should motor vehicle drivers do?
A、If there is only one motor vehicle lane in each direction, motor vehicle drivers behind the bus should stop and wait.
B、If there are two motor vehicle lanes in each direction, motor vehicle drivers in the left lane behind the bus may overtake the bus at a lower speed
C、If there are three motor vehicle lanes in each direction, motor vehicle drivers in the middle lane behind the bus should stop and wait
D、If there are three motor vehicle lanes in each direction, motor vehicle drivers in the left lane behind the bus may pass at a lower speed
Answer：ACD
18、When driving a motor vehicle crosses each other on a hump bridge, what should the driver do?
A、Rush to pass
B、Reduce speed
C、Honk to indicate the vehicle
D、Go on the right side
Answer：BCD
19、When the engine suddenly stalls on the road, what should the driver do?
A、Stop the vehicle and overhaul it immediately
B、Immediately turn on the hazard lamps
C、Move the vehicle to a place where it will not obstruct the traffic flow
D、Set up a breakdown warning sign
Answer：BCD
20、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
21、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
22、What is the meaning of this sign?
A、Y-shaped intersection
B、T-shaped intersection
C、Intersection
D、Ring intersection
Answer：B
23、When driving in a strong wind, drivers should abruptly turn the steering wheel to return to the original direction if they feel the vehicle deviates horizontally due to a strong gale.
A、Right
B、Wrong
Answer：B
24、When an erosive material catches fire, it should not be put out with water cannon.
A、Right
B、Wrong
Answer：A
25、When a motor vehicle stops temporarily in a rainy day,which lamp should be turned on?
A、Front and rear fog lamps
B、Hazard lamps
C、Headlamps
D、Reverse lamps
Answer：B