1、Mr Li drove a large bus with 21 passengers( capacity 35 people). He found the braking system was abnormal on the way but failed to repair it. When running on the Shuangdao Haiwan Bridge at a speed of 50 kilometers per hour(speed limit 40 km/h), the bus fell into the sea due to a braking system failure, killing 13 people and injuring 8. What's the main illegal act committed by Mr Li?
A、Speeding
B、Fatigued drivin
C、Carrying more passengers than permitted
D、Driving a motor vehicle with potential safety hazard
Answer：AD
2、The white zig-zag line on the highway serves as a reference for the speed of a driver.
A、Right
B、Wrong
Answer：B
3、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
4、In which of the following ways can motor vehicles avoid a tire burst?
A、Lowering tire pressure
B、Checking tires regularly
C、Removing foreign matters from the tire tread grooves timely
D、Replacing the tires that have cracks or deep cuts
Answer：BCD
5、When driving on an expressway in rain, the driver should slow down to avoid steering failure arising from "water slide"
A、Right
B、Wrong
Answer：A
6、Drivers may cross these lane-dividing lines to change lanes in the same direction.
A、Right
B、Wrong
Answer：B
7、The sign on the right warns of a continuous downhill section ahead.
A、Right
B、Wrong
Answer：B
8、When a motor vehicle accidentally hits the guardrail of the highway, what should be done by the driver inorder to keep safe?
A、Firmly holding and properly adjusting the steering wheel
B、Turning swiftly to the opposite direction
C、Immediately applying emergency braking
D、Immediately steering to the collision side
Answer：A
9、When driving on a snowy day, drivers should follow the tracks on the road before them.
A、Right
B、Wrong
Answer：A
10、The marking on the road surface indicates that the speed limit of this road section is 50 km/hour.
A、Right
B、Wrong
Answer：A
11、Drivers may temporarily cross these central broken and solid yellow lines when overtaking.
A、Right
B、Wrong
Answer：A
12、Under such circumstances, what should be done bY motor vehicle drivers in order to yield to the pedestrians politely?
A、Set off after pedestrians pass
B、Set off and bypass in front of the pedestrians
C、Sound the horn to warn the pedestrians to yield
D、Set off and approach the pedestrians slowly
Answer：A
13、When disembarking, what should be done by drivers in order to keep safe?
A、Opening the door and disembarking immediately after stopping
B、Observing the traffic situation ahead
C、Opening the door first and then observing the situation beside and behind the vehicle
D、Observing the situation beside and behind the vehicle before opening the door slowly
Answer：D
14、The guide arrow on the road surface of this lane indicates that the lanes ahead will merge to the left side.
A、Right
B、Wrong
Answer：A
15、Under such circumstances, motor vehicles are allowed to cross the central solid line to overtake.
A、Right
B、Wrong
Answer：B
16、When encountering such pedestrians while driving, a longer safety distance should be kept by drivers.
A、Right
B、Wrong
Answer：A
17、It is not safe for a female driver to wear high heels to drive a vehicle.
A、Right
B、Wrong
Answer：A
18、As shown in the flash, the motor vehicle chooses a correct way to pass through the level crossing.
A、Right
B、Wrong
Answer：A
19、When passing this mountainous road, motor vehicle drivers should drive along the center of the road.
A、Right
B、Wrong
Answer：B
20、When running on an expressway with three lanes in each direction, which one of the following lanes is not appropriate for the motor vehicle to use if its speed ranges between 90 kilometers per hour and 110 kilometers per hour?
A、The far left lane
B、The middle lane
C、The far right lane
D、Any lane
Answer：A