1、This set of the hand signals of the traffic police indicates that the vehicles should ____ .
A、reduce speed and pass slowly
B、pull over
C、stop
D、turn right
Answer：D
2、The main impact of the road conditions in icy and snowy weather is ______.
A、The electric equipment can easily get wet and cause short circuit
B、The visibility is lower and the field of vision is blurred
C、The resistance to the vehicle increases
D、Poor braking performance and Side pulling
Answer：D
3、Which should be taken along while driving?
A、vocational qualification certificate
B、ID card
C、driving license
D、work permits
Answer：C
4、The yellow lane-dividing line on the road is used to _____
A、allow to drive in left lane
B、separate the traffic flow in opposite directions
C、separate the traffic flow in the same direction
D、prohibit to cross the opposite lane
Answer：B
5、It lights to indicate that ______
A、the floor and the front fans work
B、air internal circulation
C、air external circulation
D、the side and the floor fans work
Answer：A
6、What is this traffic sign?
A、Road narrows on both sides
B、Road narrows on the right side
C、Road narrows on the left side
D、Bridge narrows
Answer：B
7、Whats the meaning of this sign?
A、overtaking ban is lifted
B、changing lane is allowed
C、changing lane ban is lifted
D、borrowing lane ban is lifted
Answer：A
8、When driving a small vehicle downhill, the driver may coast down by stopping the engine.
A、Right
B、Wrong
Answer：B
9、Before entering a level crossing, the vehicle should reduce speed and change to a lower gear, and _____ after entering the level crossing.
A、Cannot change gear
B、Can change gear
C、Can change to a higher gear
D、Stop and look
Answer：A
10、A driver should observe the dynamic situation of the rear side vehicles before driving into the traffic flow from other road.
A、Right
B、Wrong
Answer：A
11、This sign reminds the lane for non-motorized vehicles ahead.
A、Right
B、Wrong
Answer：B
12、How to make a U turn in this intersection?
A、broken lines of the central line
B、make a U turn from the right lane
C、enter the intersection and make a U turn
D、make a U turn in the crosswalk
Answer：A
13、What is this manipulation device?
A、switch of reverse light
B、switch of wiper
C、switch of the hazard lights
D、combination switch of lights and signals
Answer：D
14、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
15、It is a bad habit for a driver to put his left arm on the window of the vehicle or hold the gear lever in his right hand for a long time.
A、Right
B、Wrong
Answer：A
16、If a vehicle may encounter a vehicle coming in the opposite direction in the course of overtaking, the driver should speed up in advance and overtake.
A、Right
B、Wrong
Answer：B
17、When a vehicle passes a narrow road or bridge, it is prohibited from overtaking.
A、Right
B、Wrong
Answer：A
18、The child in the motorized vehicle does not need to buckle up when the vehicle runs.
A、Right
B、Wrong
Answer：B
19、Stopping temporarily on the road should not obstruct the passing of other vehicles and pedestrians.
A、Right
B、Wrong
Answer：A
20、When a motorized vehicle causes a minor traffic accident and obstructs traffic flow, it does not need to move.
A、Right
B、Wrong
Answer：B