1、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
2、When the road maintenance vehicle and the engineering vehicle are on duty, the passing vehicles should avoid with care.
A、Right
B、Wrong
Answer：A
3、It lights when turning on the rear fog light.
A、Right
B、Wrong
Answer：B
4、When driving in a foggy day, the driver should turn on ______.
A、The reverse light
B、The low beam light
C、The fog light
D、The high beam light
Answer：C
5、It lights to indicate that engine oil may be insufficient.
A、Right
B、Wrong
Answer：A
6、Driving in a dusty weather, it does not needed to turn on the head light, the contour light and the tail light.
A、Right
B、Wrong
Answer：B
7、It lights to indicate that ______
A、air internal circulation
B、air external circulation
C、the front fan works
D、windscreen defroster
Answer：B
8、What marking is the white solid lines in the circle?
A、guide lanes lines
B、variable guide lanes lines
C、direction guide lines
D、one-way driving lines
Answer：A
9、When overtaking on a mountain road, the vehicle should overtake ______.
A、By taking every possible chance
B、By selecting a wide gentle uphill section
C、By selecting a fairly long downhill section
D、By selecting a relatively gentle downhill section
Answer：B
10、The subject 3 test is divided into two parts including Driving Skills, Common Knowledge on Safe and Courteous Driving.
A、Right
B、Wrong
Answer：A
11、This sign indicates construction section ahead and bypassing from left or right side.
A、Right
B、Wrong
Answer：B
12、Ignition switch in the ON position, the vehicle can not use electrical appliances.
A、Right
B、Wrong
Answer：B
13、The act of this small passenger vehicle to enter the expressway lane is correct.
A、Right
B、Wrong
Answer：B
14、When the fire engine, ambulance and wrecker are executing an emergency task, other vehicles should yield.
A、Right
B、Wrong
Answer：A
15、This sign reminds the width of the bridge narrows ahead.
A、Right
B、Wrong
Answer：B
16、Whats 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
17、If the driver finds there is no vehicle following, he can change lanes without turning on the turn signal.
A、Right
B、Wrong
Answer：B
18、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：D
19、When the driver discovers a tire is leaking and steers the vehicle off the main carriageway, he should refrain from applying emergency so as to avoid a vehicle turnover or a rear-end collision arising from the late braking of the following vehicle.
A、Right
B、Wrong
Answer：A
20、The reason that a road destroyed by flood affects safe driving and smooth passage is __.
A、The road grip becomes stronger
B、It is impossible to see the hidden holes and bumps in road surface
C、The visibility become lower and blurs the field of vision
D、The sunshine reflection blurs the view
Answer：B