1、Sideslip happens most easily on which one of the following road surfaces?
A、Dry concrete road
B、Road surface at the beginning of rain
C、Damp concrete road surface
D、Road in heavy rain
Answer：B
2、In which ones of the following ways can motor vehicle drivers effectively prevent braking failure?
A、Maintaining the braking system periodically
B、Checking the free brake pedal travel before driving
C、Using the braking system correctly to avoid brake-fade
D、For vehicles with hydraulic braking system, checking if the brake fluid leaks before driving
Answer：ABCD
3、The sign in front indicates a 4-kilometer distance from the next exit.
A、Right
B、Wrong
Answer：A
4、Mr. Qian drove a large sleeper coach with 45 passengers (capacity 40 people) at a speed of more than 40 kilometers per hour. On a long slope with sharp curves in Basu County, the coach fell into a 100-meter-deep valley, killing 17 people and injuring 20. What's the main illegal act committed by MrQian?
A、Making a cellphone call while driving
B、Speeding
C、Carrying more people than permitted
D、Fatigued driving
Answer：BC
5、When a motor vehicle catches fire, the driver should swiftly turn off the engine and open the hood to extinguish the fire.
A、Right
B、Wrong
Answer：B
6、The red car is allowed to drive on this lane.
A、Right
B、Wrong
Answer：B
7、When driving on this dangerous mountainside road, motor vehicles should drive along the right side of the road.
A、Right
B、Wrong
Answer：A
8、When carrying a wounded person in a coma, rescue personnel should try to let the unconscious person remain in the supine position.
A、Right
B、Wrong
Answer：B
9、What's the meaning of the sign on the right?
A、Parking prohibited
B、Temporary parking permitted
C、Picking up or dropping off passengers permitted
D、Stopping to unload permitted
Answer：A
10、After setting off from a roadside, motor vehicle drivers should watch both sides of the road, turn left and drive into the normal lane slowly.
A、Right
B、Wrong
Answer：A
11、Once inflammable gas causes a fire disaster, it should be put out with water in good time.
A、Right
B、Wrong
Answer：B
12、The sign on the right indicates the road width ahead is limited to 3 meters.
A、Right
B、Wrong
Answer：A
13、When there is a braking failure on a downhill road, what should not be done by the driver?
A、Steering the motor vehicle to the uphill direction
B、Stopping the vehicle by rubbing the vehicle body against the rocks or trees on roadside
C、Driving to the emergency lane and stop the vehicle there
D、Pulling up the stopping brake or change the gear to two positions lower
Answer：D
14、In this driving condition, drivers should turn on the high-beam when setting off.
A、Right
B、Wrong
Answer：B
15、What should be done by drivers in order to drive safely on the road in this condition?
A、Make a large turn on the left side of the road
B、Make a turn on the central line of the curve
C、Make a small turn on the right side of the road
D、Make a turn by borrowing the opposite lane
Answer：C
16、The sign on the right side indicates no entry for all vehicles.
A、Right
B、Wrong
Answer：A
17、Drivers may turn left when seeing these hand signals.
A、Right
B、Wrong
Answer：A
18、Under such circumstances, motor vehicles are not allowed to overtake.
A、Right
B、Wrong
Answer：A
19、The diamond-shaped broken line warns that drivers should drive at a lower speed on the road sections ahead.
A、Right
B、Wrong
Answer：A
20、As shown in the flash, the actions of the driver are correct.
A、Right
B、Wrong
Answer：B