1、The sign on the left warns of no passing on the right-hand road ahead.
A、Right
B、Wrong
Answer：B
2、The sign on the right side warns of crosswind on the mountain pass ahead.
A、Right
B、Wrong
Answer：A
3、Mr Peng drove a heavy semi-trailer tractor with 37.7 tons of cargo(capacity 25 tons). When descending a slope on the Daguang Expressway, the tractor had a rear-end collision with Mr. Li's heavy dump truck ( carrying 3.17 cubes of loess and 24 passengers in the container)occupying the emergency lane. As a result of this accident, 16 people were killed and 13 injured What are the main illegal acts in this case?
A、Mr Peng exceeded the speed limit
B、Mr. Peng's tractor carried more cargo than limited
C、Mr Li illegally drove in the emergency lane
D、Mr. Li's truck illegally carried passengers in the container
Answer：BCD
4、A correct measure to avoid tire burst of motor vehicles is to lower the tire pressure.
A、Right
B、Wrong
Answer：B
5、How will the adhesive force of road change when speed increases on a damp and slippery road?
A、Increase sharply
B、increase gradually
C、decrease sharply
D、No change
Answer：C
6、The sign on the right warns of an uneven road ahead.
A、Right
B、Wrong
Answer：A
7、What's the meaning of the sign on the right?
A、Drive on the right side of the road ahead
B、No entry ahead
C、One-way road ahead
D、Watch for the right-hand intersection ahead
Answer：C
8、What kind of harmful effect will be brought about by continuously using the foot brake on a long downhill road?
A、Shorten the engine's service life
B、Make the driver feel tired
C、Easily cause the vehicle to overturn
D、Reduce the braking efficiency
Answer：D
9、Motor vehicle drivers should rush to the top of the slope in this situation.
A、Right
B、Wrong
Answer：B
10、When the windscreen of a motor vehicle on the highway is cracked by flying rocks or debris which makes visibility poor, the driver should reduce speed gradually, turn on the hazardlamps, drive to a place where it will not obstruct the traffic flow and stop there.
A、Right
B、Wrong
Answer：A
11、When a gas tanker is leaking heavily, which of the following measures is wrong?
A、Cut off the power
B、Wear gas mask and protect gloves
C、Turn off the valve to stop leaking
D、Evacuate people to the leeward side
Answer：D
12、When driving on this dangerous mountainside road, motor vehicles should drive along the right side of the road.
A、Right
B、Wrong
Answer：A
13、Motor vehicles are permitted to move to the right lane at this intersection.
A、Right
B、Wrong
Answer：B
14、After speeding up to more than 60 km/hour, a motor vehicle driver may drive onto the driving lane directly.
A、Right
B、Wrong
Answer：B
15、Motor vehicles should accelerate when driving into an intersection with this traffic signal.
A、Right
B、Wrong
Answer：B
16、The broken white reflective line on the road warns that drivers should drive at a lower speed on the road section ahead.
A、Right
B、Wrong
Answer：A
17、Those traffic police signals mean turning right.
A、Right
B、Wrong
Answer：B
18、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
19、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
20、The sign on the right warns of a bumpy road ahead.
A、Right
B、Wrong
Answer：B