1、In which ones of the following ways can motor vehicle drivers effectively prevent braking failure?
A、Maintaining the braking system periodically
B、Checking the free brake pedal travel before driving
C、Using the braking system correctly to avoid brake-fade
D、For vehicles with hydraulic braking system, checking if the brake fluid leaks before driving
Answer：ABCD
2、Mr. Shi drove a low-speed cargo vehicle (capacity 1.2 tons)with 4.05 tons of cargo. At the spot of 51 kilometers mark by 260 meters on the No. 314 County Road in Ningjin County, the cargo vehicle had a head-on collision with a normally running midsize bus( capacity 11 people and carrying12) from the opposite direction after passing the central line of the road and overtaking the front vehicle in the same direction. As a result of this accident, 10 people were killed and 2 injured. What are the illegal acts in this case?
A、The cargo vehicle carried more cargo than capacity
B、The cargo vehicle illegally overtook other vehicles
C、The bus carried more passengers than capacit
D、The driver of the bus kept driving when tired
Answer：ABC
3、What does this sign on the fly-over junction indicate?
A、Turn right
B、Drive straight or turn left
C、Drive straight or turn right
D、Take a U-turn under bridge
Answer：B
4、When a motor vehicle accidentally hits the guardrail of the highway, what should be done by the driver inorder to keep safe?
A、Firmly holding and properly adjusting the steering wheel
B、Turning swiftly to the opposite direction
C、Immediately applying emergency braking
D、Immediately steering to the collision side
Answer：A
5、The broken white line on the right side of the road indicates that drivers are allowed to change lanes by crossing the line.
A、Right
B、Wrong
Answer：A
6、When there is a sudden braking failure on the road, what should be done by the driver?
A、Firmly holding the steering wheel and controlling the direction
B、Immediately changing to a low gear to reduce speed
C、Using the stopping brake to reduce speed
D、Turning on the hazard lamps
Answer：ABCD
7、When there is a braking failure on a downhill road, if there is no favorable terrain or opportunity to stop the vehicle, the driver should drop gear by one position or two positions, and control the speed by taking advantage of the braking role of the engine.
A、Right
B、Wrong
Answer：A
8、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
9、When a motor vehicle temporarily stops in fog, which lamp should be turned on?
A、Hazard lamp, clearance lamp and rear position lamp
B、Left-turn indicator, clearance lamp and rear position amp
C、Headlamp, clearance lamp and rear position lamp
D、Reverse lamp, clearance lamp and rear position lamp
Answer：A
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、On a mountain road, what should the driver do in this situation?
A、Drive on the left and speed up to bypass
B、Stop to observe and pass slowly
C、Observe closely and pass as soon as possible
D、Sound the horn several times and pass slowly
Answer：C
12、What should the driver do to ensure the motor vehicle passes the level crossing safely?
A、Change to neutral gear and slide over
B、Stop, look, and pass
C、Speed up, look and pass rapidly
D、Slow down, look and pass slowly
Answer：C
13、When passing an intersection, vehicle motor drivers are not allowed to overtake.
A、Right
B、Wrong
Answer：A
14、The sign on the right indicates an emergency shield 100 meters ahead.
A、Right
B、Wrong
Answer：A
15、The sign on the right warns of a bumpy road ahead.
A、Right
B、Wrong
Answer：B
16、What should a driver do before entering a tunnel on an expressway
A、Turn on the high-beam
B、Turn on the width lamp and the tail lamp
C、Turn on the low-beam
D、Sound the horn before entering the tunnel
Answer：C
17、The sign on the right indicates to stop and yield at the intersection ahead.
A、Right
B、Wrong
Answer：A
18、Motor vehicle drivers don't need to fasten their seatbelt
A、Right
B、Wrong
Answer：B
19、Under such circumstances, the driver should stop the vehicle and yield to pedestrians.
A、Right
B、Wrong
Answer：A
20、What should the driver do when he/she encounters an oncoming ambulance in the same lane?
A、Keep to the side and reduce speed or stop to yield
B、Drive ahead by occupying another lane
C、Yield by speeding up and changing lanes
D、Drive ahead in the original lane
Answer：A
21、The marking on the road surface indicates that the speed limit of this road section is 50 km/hour.
A、Right
B、Wrong
Answer：A
22、When a motor vehicle encounters an accident on an expressway, the driver and all passengers should not get off the vehicle and walk around at will.
A、Right
B、Wrong
Answer：B
23、What should the driver do when the motor vehicle counters this situation?
A、Sound the horn continuously to warn
B、Speed up and bypass from the front
C、Slow down when encountering any risks
D、Slow down voluntarily and yield
Answer：D
24、When a bus encounters an unexpected situation or an accident, the driver should do his best to minimize the loss and should never cause a secondary accident or even greater loss for the sake of avoiding danger.
A、Right
B、Wrong
Answer：A
25、Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
A、Right
B、Wrong
Answer：A