1、When a vehicle goes uphill on a mountain road, it should change to a lower gear in a timely, accurate and rapid manner so as to avoid a situation in which driving at a high gear can reduce the power of the engine.
A、Right
B、Wrong
Answer：A
2、When a vehicle passes a level crossing, it is prohibited from overtaking.
A、Right
B、Wrong
Answer：A
3、What does this sign mean?
A、Reminding continuous two or more up slopes ahead
B、Reminding the steep uphill road ahead
C、Reminding the steep downhill road ahead
D、Reminding continuous two or more down slopes ahead
Answer：D
4、Motorized vehicles should pass the intersections according to the traffic signals.
A、Right
B、Wrong
Answer：A
5、Which part does this switch control?
A、windscreen defogger
B、windscreen wiper
C、the hazard lights
D、devices of lights and signals
Answer：B
6、When running on an expressway, the driver should ____ if he has missed the exit.
A、Reverse to the original place
B、Continue to go ahead and find the next exit
C、Immediately stop
D、Make a U turn from where he is
Answer：B
7、When a vehicle approaches a bus stopping at a bus stop, the driver should ______ in case the bus starts up suddenly or pedestrians cross in front of the bus.
A、Reduce speed, keep a sufficient distance and be ready to stop anytime
B、Maintain the normal speed
C、Honk to remind, speed up and pass
D、Be ready to apply emergency braking
Answer：A
8、It lights if left door is not closed.
A、Right
B、Wrong
Answer：B
9、The main impact of mountain roads on safe driving is _______.
A、The traffic conditions are boring
B、The slopes are long, the curves are sharp and visibility range is shorter.
C、The traffic flow is heavy
D、The road signs are fewer
Answer：B
10、The full mark of Driving Skills, Common Knowledge on Safe and Courteous Driving of the subject 3 test is 100, each of the passing mark is 80 and 90.
A、Right
B、Wrong
Answer：B
11、This sign indicates running slowly or stopping to let the vehicle on main road go first.
A、Right
B、Wrong
Answer：A
12、Whats the meaning of this sign?
A、reduce speed and yield
B、variable lane
C、separated road
D、two-way traffic
Answer：D
13、What device does the switch of this symbol control?
A、the windscreen defrosting
B、the rear window wiper
C、the rear window defrosting
D、the windscreen wiper
Answer：D
14、When a vehicle passes a bumped road, the driver should ________.
A、Speed up and dash over under inertia
B、Change to the neutral gear and slide over
C、Maintain the original speed and pass
D、Pass slowly and steadily
Answer：D
15、What marking is it?
A、prohibitive area
B、cross-hatched marking
C、guide line
D、central circle
Answer：D
16、This sign reminds there is a one-way and poor lighting culvert ahead.
A、Right
B、Wrong
Answer：B
17、The seat belts can reduce the injury of the driver and passengers when there is a collision.
A、Right
B、Wrong
Answer：A
18、Whats the meaning of this sign?
A、bus station of expressway
B、rest area of expressway
C、gasoline station of expressway
D、service area of expressway
Answer：C
19、Whats the meaning of the marking in the red circle?
A、temporary stopping
B、bay-stopping
C、emergency stopping
D、public bus station
Answer：B
20、May throw items to the road while driving.
A、Right
B、Wrong
Answer：B