1、This set of the hand signals of the traffic police indicates that the vehicles should ___ .
A、turn left
B、wait to turn left
C、reduce speed and pass slowly
D、turn right
Answer：B
2、When a vehicle follows another vehicle on a mountain road, it should ____.
A、Properly increase the safe distance
B、Closely follow the vehicle in front
C、Properly reduce the safe distance
D、Try to find a chance to overtake
Answer：A
3、Whats the meaning of this sign?
A、location and distance
B、driving route
C、destination name
D、driving direction
Answer：A
4、When running on an expressway that has four lanes in the same direction, the vehicles whose speed is higher than 110 kilometers per hour should run ______.
A、The far left lane
B、The second left lane
C、The far right lane
D、The third left lane
Answer：A
5、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
6、The behavior of a motorized vehicle driver who has violated the law and regulations on road traffic safety is _______ .
A、faulty act
B、violation of regulations
C、rule-breaking act
D、violation of law
Answer：D
7、After starting the engine, it lights to indicate that ______
A、engine main oil way blockage
B、engine oil pressure is too low
C、engine crankshaft box leaks
D、engine oil pressure is too high
Answer：B
8、This sign reminds the width of the bridge narrows ahead.
A、Right
B、Wrong
Answer：B
9、This sign warns the driver there is a crosswalk ahead.
A、Right
B、Wrong
Answer：B
10、Whats the meaning of this sign?
A、special lane for large buses
B、special lane for multi-passenger vehicles
C、special lane for public buses
D、special lane for BRT vehicles
Answer：D
11、It displays that oil in tank has less than the warning line
A、Right
B、Wrong
Answer：A
12、Whats the meaning of this sign?
A、downhill section on right side
B、driving by the right side of the road
C、stopping by the right side of the road
D、right turn only
Answer：B
13、It lights to indicate enabling the floor and the front windscreen fan.
A、Right
B、Wrong
Answer：A
14、A motorized vehicle driver is not allowed during the period of probation to pull a trailer.
A、Right
B、Wrong
Answer：A
15、What is the role of ABS system when applying emergency braking?
A、cut off the power output
B、control the direction automatically
C、reduce braking inertia
D、prevent wheel blocking
Answer：D
16、What kind of sign is it?
A、directional sign
B、indicative sign
C、prohibitive sign
D、warning sign
Answer：A
17、When a vehicle wades across the water, the driver should maintain a low speed, and _____ the brake pedal so as to restore the braking efficiency.
A、Continuously and strongly depress
B、Intermittently and strongly depress
C、Continuously and gently depress
D、Intermittently and gently depress
Answer：D
18、The braking system may malfunction if it lights.
A、Right
B、Wrong
Answer：A
19、Whats the meaning of this sign?
A、minimum speed limit is 50km/hr
B、maximum speed limit is 50km/hr
C、the height is 50m
D、the altitude is 50m
Answer：A
20、It lights to indicate that ______
A、the tail fog light is turned on
B、the low beam light is turned on
C、the high beam light is turned on
D、the head fog light is turned on
Answer：B