1、One day, Mr. Yang drove a large bus with 57 passengers(bus capacity 55 people)from 7 pm to 1 am the following morning. At the spot of 3008 kilometers mark by 110 meters on the No. 050 National Road in Jin Chengjiang District, the bus had a malignant traffic accident caused by front left tire burst, killing12 people and injuring 22. What's the main illegal act committed by Mr Yang?
A、Fatigued driving
B、Carrying more passengers than permitted
C、Speeding
D、Misoperation
Answer：AB
2、When driving on an expressway, drivers should not frequently change lanes.
A、Right
B、Wrong
Answer：A
3、Under such circumstances, what should the motor venicle driver do?
A、Reduce speed and yield by the left side
B、Reduce speed and yield by the right side
C、Speed up and yield by the left side
D、Go ahead along the original route
Answer：A
4、When the rear wheels of a motor vehicle skid sideways on a muddy road, the driver should turn the steering wheel in the opposite direction of the side skid.
A、Right
B、Wrong
Answer：B
5、Motor vehicles are prohibited from turning left in this situation.
A、Right
B、Wrong
Answer：A
6、When driving on a snowy day, drivers should follow the tracks on the road before them.
A、Right
B、Wrong
Answer：A
7、When a bicycle occupies the motor vehicle lane and obstructs the traffic, the driver should sound the horncontinuously and speed up to bypass on the left of the bicycle.
A、Right
B、Wrong
Answer：B
8、The sign on the right indicates left turn only at the intersection ahead.
A、Right
B、Wrong
Answer：A
9、When encountering such a situation, the motor vehicle driver should change to the left lane rapidly.
A、Right
B、Wrong
Answer：B
10、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
11、The sign in front indicates that vehicles except public buses are not allowed to drive in this lane.
A、Right
B、Wrong
Answer：A
12、The sign on the right indicates that the speed limit is 50km/hour.
A、Right
B、Wrong
Answer：B
13、When a motor vehicle stops temporarily in a rainy day,which lamp should be turned on?
A、Front and rear fog lamps
B、Hazard lamps
C、Headlamps
D、Reverse lamps
Answer：B
14、When driving on a long downhill road, which is the best way to control the speed?
A、Coast in neutral gear
B、Take a low gear
C、Depress the clutch
D、Pull up the handbrake
Answer：B
15、The broken yellow line in the center of the road indicates that bypassing by crossing the line is prohibited in any condition.
A、Right
B、Wrong
Answer：B
16、What's the main impact of foggy weather on safe driving?
A、Easy to slide sideways
B、Low visibility
C、Increase the resistance
D、Widen the field of vision
Answer：B
17、When rescuing a wounded person in coma causing by excessive blood loss, it is necessary to take measures to prevent heat loss.
A、Right
B、Wrong
Answer：A
18、When a front tire bursts, after controlling the driving direction, what should be done by the driver in order to slow down and stop?
A、Immediately change to a high gear
B、Immediately change to a low gear
C、Immediately change to the neutral gear
D、Apply emergency braking
Answer：B
19、What's the emergency measure to deal with a sudden tire burst on the road?
A、Swiftly braking to slow down
B、Firmly hold the steering wheel and steadily stop the vehicle as early as possible
C、Swiftly turn the steering wheel to adjust the direction
D、Go ahead at a low speed and find a place for tire change
Answer：B
20、The sign on the right indicates the location of the highway emergency phone.
A、Right
B、Wrong
Answer：B