1、what should motor vehicle drivers do under the circumstances shown in the flash?
A、Reduce speed or stop to yield
B、Sound the horn to warn the pedestrians to yield
C、Pass before the pedestrians
D、Immediately change to another lane to bypass the pedestrians
Answer：A
2、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
3、What should drivers keep in mind when driving on amountainous road?
A、Keep a safe distance
B、Avoid occupancy of another lane when making a turn
C、Downshift in advance when ascending an abrupt slope
D、Taking full advantage of engine braking when descending a long slope
Answer：ABCD
4、When driving on a muddy road, what should the driver do?
A、Try to avoid using the foot brake
B、Drive slowly in mid or low gear
C、Firmly hold the steering wheel
D、Speed up and pass through
Answer：ABC
5、The cross-hatched marking indicates an area where vehicle drivers are not allowed to stop.
A、Right
B、Wrong
Answer：A
6、When a motor vehicle falls into water and the side door cannot be opened, which of the following methods is correct for self-rescue?
A、Smash the window glass
B、Close the windows
C、Make calls for help
D、Try to open the door with a tool
Answer：A
7、vehicles to pass an intersection marked with this sign?
A、Stopping and observing the traffic situation around the intersection
B、Approaching the intersection by speeding up
C、Approaching the intersection at a reduced speed
D、Observing the traffic situation on the left rear side
Answer：A
8、When rescuing a person sustaining full-body burns the rescue personnel may spray cool water to his body to put out the fire.
A、Right
B、Wrong
Answer：A
9、For a temporary stop on a foggy day, the driver should only turn on the fog lamp and the low-beam
A、Right
B、Wrong
Answer：B
10、The distance-ascertaining section of an expressway is used for the drivers to ascertain the safety distance when the speed is 100 kilometers per hour.
A、Right
B、Wrong
Answer：A
11、When a motor vehicle stops in snow, which lamp should be turned on?
A、Front and rear fog lamps, clearance lamp and rear position lamp
B、Reverse lamp, clearance lamp and rear position lamp
C、Headlamp, clearance lamp and rear position lamp
D、Hazard lamps, clearance lamp and rear position lamp
Answer：D
12、When a motor vehicle passes over an inundated road what should the driver do?
A、Stop and look at the situation
B、Make sure it's safe and pass over at a low speed
C、Intermittently and gently depress the brake pedal then wading across the water
D、Continuously but gently depress the brake pedal then wading across the water
Answer：ABC
13、It is safest for a motor vehicle driver to overtake the vehicle in front from its righthand on this kind of road.
A、Right
B、Wrong
Answer：B
14、When there is a sudden braking failure on a downhill road, what should be done by the driver?
A、Driving to an emergency lane and reducing speed to stop
B、Dropping the gear by two positions
C、Changing to the reverse gear to force the vehicle to stop
D、Reducing speed by pulling up the handbrake
Answer：A
15、If a motor vehicle experiences a "water sliding" phenomenon when running on an expressway in rain, what should the driver do?
A、Slow down by suddenly depressing the brake pedal
B、Slow down by slowly releasing the accelerator pedal
C、Turn the steering wheel immediately to adjust the direction
D、Speed up to increase the displacement of the wheels
Answer：B
16、The sign on the right indicates a 200-meter distance from the gas station ahead.
A、Right
B、Wrong
Answer：A
17、Which of the following is a bad habit when changing lanes?
A、Turning on the indicator in advance
B、Observing closely before changing a lane
C、Change lanes at will
D、Not obstructing the passing of other normally moving vehicles
Answer：C
18、Driving and smoking has no negative effect on safe driving
A、Right
B、Wrong
Answer：B
19、When a motor vehicle moves through water, drivers should intermittently and gently depress the brake pedal in order to restore braking efficiency.
A、Right
B、Wrong
Answer：A
20、When putting out a fire disaster that gives out corrosive steam or poisonous gas, the firefighters should wear gas masks and other related protective articles and operate from the windward side.
A、Right
B、Wrong
Answer：A