1、Mr. He drove his large bus with 53 passengers (permitted carrying capacity 47) to 454 km mark by 100m along the Yining-hefei Expressway in Nanjing jurisdiction, where he was tailgated by a heavy-type semitrailer tractor. The bus left the road, breaking through the guardrail and catching fire. 17 people were killed and 27 injured. Which of the following law-breaking acts did Mr. He commit?
A、Speeding
B、Exceeding the carrying capacity of the motor bus
C、Driving a motor vehicle overdue for annual inspection
D、Improper operation
Answer：B
2、When extinguishing a fire, the driver should refrain from breathing through mouth or crying loudly Otherwise, the fire and smoke will scorch the upper respiratory tract.
A、Right
B、Wrong
Answer：A
3、The guide arrow on the road surface of this lane indicates that only U-turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：B
4、When a motor vehicle encounters this situation at a crosswalk, the driver must slow down and pass slowly.
A、Right
B、Wrong
Answer：B
5、What should be done by drivers in order to safely pass through the curve in this condition?
A、Reduce speed and drive o the right side
B、Drive on the central line of the road
C、Drive on the outer side of the curve
D、Drive by borrowing the opposite lane
Answer：A
6、When braking, side skid or tail swing may occur if the rear wheels are blocked.
A、Right
B、Wrong
Answer：A
7、Motor vehicle drivers are allowed to overtake as long as there are no oncoming vehicles.
A、Right
B、Wrong
Answer：B
8、How to reduce speed or stop when driving on a road covered with snow and ice?
A、Take full advantage of driving brake
B、Take full advantage of the control power from engine
C、Take full advantage of parking brake
D、Take full advantage of speed retarder
Answer：B
9、The sign on the right indicates a one-kilometer distance from the ETC toll station.
A、Right
B、Wrong
Answer：A
10、When finding a tire suddenly burst on the road, the driver should firmly hold the steering wheel with both hands to ensure the vehicle goes straight.
A、Right
B、Wrong
Answer：A
11、The sign on the right warns of a dangerous mountainside road on the left of the road ahead.
A、Right
B、Wrong
Answer：B
12、When the windscreen of a motor vehicle on the highway is cracked by flying rocks or debris which makes visibility poor, the driver should reduce speed gradually, turn on the hazardlamps, drive to a place where it will not obstruct the traffic flow and stop there.
A、Right
B、Wrong
Answer：A
13、The sign on the left warns of no passing on the right-hand road ahead.
A、Right
B、Wrong
Answer：B
14、The sign on the right indicates left turn only at the intersection ahead.
A、Right
B、Wrong
Answer：A
15、When encountering such pedestrians, motor vehicle drivers may continuously sound the horn to alert them to yield.
A、Right
B、Wrong
Answer：B
16、Mr. Wu drove a large bus with 33 passengers (capacity 22 people). At the spot of 7 kilometers mark by 300 meters on the No 163 County Road, the bus lost control and fell into a ravine. As a result of the accident, 10 people were killed and 21 injured. In accordance with the alcohol test after the accident the blood alcohol content of Mr Wu was 26 milligram per milliliter. What's the main illegal act committed by Mr Wu?
A、Speeding
B、Carrying more passengers than permitted
C、Fatigued driving
D、Driving after drinking
Answer：BD
17、As shown in this picture, the intersection guide line is designed to help drivers make turns.
A、Right
B、Wrong
Answer：A
18、The sign in front indicates a one-kilometer distance from the highway entry.
A、Right
B、Wrong
Answer：A
19、What should the driver pay attention to when the motor vehicle on the main road approaches a junction with a feeder road?
A、Slow down in advance and pay attention to other motor vehicles
B、Maintain the normal speed
C、Sound the horn and pass rapidly
D、Speed up and pass rapidly
Answer：A
20、The sign on the right indicates notice by sounding the horn.
A、Right
B、Wrong
Answer：B