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 encountering a school bus which stops at the right roadside and students are embarking or disembarking, and there are two motor vehicle lanes in each direction, motor vehicle drivers on the left lane behind the bus should stop and wait.
A、Right
B、Wrong
Answer：A
3、The sign on the right warns of a wet road surface ahead.
A、Right
B、Wrong
Answer：A
4、When driving on this dangerous mountainside road, motor vehicles should drive along the right side of the road.
A、Right
B、Wrong
Answer：A
5、The sign on the right warns of a sharp winding road ahead.
A、Right
B、Wrong
Answer：B
6、When the fuel of a motor vehicle catches fire, which of the following things cannot be used to put out the fire?
A、Sandy soil on the roadside
B、Cotton-padded clothes
C、Overalls
D、Water
Answer：D
7、When a gas tanker is leaking heavily, which of the following measures is wrong?
A、Cut off the power
B、Wear gas mask and protect gloves
C、Turn off the valve to stop leaking
D、Evacuate people to the leeward side
Answer：D
8、Which one of the following measures is correct when a motor vehicle encounters this situation at night?
A、Keep driving at a normal speed
B、Drive at an increased speed to avoid light
C、Cut speed or stop to yield
D、Turn on high-beam to reject
Answer：C
9、When driving into the traffic flow on a main road from a relief road, drivers should speed up.
A、Right
B、Wrong
Answer：B
10、The sign on the right warns of entering a tunnel, and requires reduced speed.
A、Right
B、Wrong
Answer：B
11、Motor vehicle drivers may reverse at an intersection.
A、Right
B、Wrong
Answer：B
12、The sign on the right warns of children on the section ahead.
A、Right
B、Wrong
Answer：B
13、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
14、How should the driver use vehicle lights when the motor vehicle leaves a roundabout?
A、Turn on the left-turn indicator
B、Turn on the hazard lamps
C、No need to turn on any indicators
D、Turn on the right-turn indicator
Answer：D
15、How should the driver pass this place safely?
A、Speed up and pass in the front of the pedestrians
B、Bypass behind the pedestrians
C、Slow down and sound the horn
D、Stop and wait until the pedestrians pass
Answer：D
16、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
17、Motor vehicles should accelerate when driving into an intersection with this traffic signal.
A、Right
B、Wrong
Answer：B
18、When a motor vehicle encounters an emergency on an expressway, the driver should not swiftly turn the steering wheel to evade.
A、Right
B、Wrong
Answer：A
19、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
20、The sign on the right warns of a road section ahead under construction.
A、Right
B、Wrong
Answer：A