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 a motor vehicle enters an expressway from the ramp, which of the following lamps should be turned on?
A、The left-turn indicator
B、The right-turn indicator
C、The hazard warning lamp
D、The headlamp
Answer：A
3、When a motor vehicle equipped with ABS makes an emergency brake, the driver can tread the brake pedal heavily.
A、Right
B、Wrong
Answer：A
4、The sign on the right warns of a road section ahead under construction.
A、Right
B、Wrong
Answer：A
5、The cross-hatched marking indicates an area where vehicle drivers are allowed to stop and wait.
A、Right
B、Wrong
Answer：B
6、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
7、Motor vehicles are prohibited from driving straight or turning left in this situation.
A、Right
B、Wrong
Answer：A
8、Drivers may temporarily cross these central broken and solid yellow lines when overtaking.
A、Right
B、Wrong
Answer：A
9、The sign on the right warns that the road will narrow over the next 5 kilometers.
A、Right
B、Wrong
Answer：A
10、When the engine suddenly stalls on the road and cannot be restarted, the driver should apply emergency braking to force the vehicle to stop as fastas possible.
A、Right
B、Wrong
Answer：B
11、Crossing the broken white line on the right edge of the road is allowed.
A、Right
B、Wrong
Answer：A
12、The sign on the right warns of a guarded railway intersection ahead.
A、Right
B、Wrong
Answer：B
13、How should the driver use vehicle lights when the motor vehicle enters this intersection?
A、Turn on the right-turn indicator
B、Turn on the hazard lamps
C、No need to turn on any indicators
D、Turn on the left indicator
Answer：C
14、The driver should speed up to 40 kilometers per hour when he/she sees this traffic sign.
A、Right
B、Wrong
Answer：B
15、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
16、Unless stopping due to obstacles or vehicle breakdown on an expressway, motor vehicles are not allowed to stop to pick up or drop off people or load and unload cargo.
A、Right
B、Wrong
Answer：A
17、Under such circumstances, the driver should stop the vehicle and yield to pedestrians.
A、Right
B、Wrong
Answer：A
18、When encountering this situation in a residential area the driver should sound the horn continuously.
A、Right
B、Wrong
Answer：B
19、The road marker indicates that vehicles are not allowed to make a U-turn at the intersection ahead.
A、Right
B、Wrong
Answer：A
20、On which of the following roads may the wheels be most easily locked when braking?
A、Concrete road
B、Dirt road
C、Road covered by ice and snow
D、Sand road
Answer：C