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、What should the driver do when seeing these hand signals?
A、Go straight and pass through the intersection
B、Stop and wait
C、Turn right at the intersection
D、Turn left at the intersection
Answer：B
3、If the road condition behind is good, motor vehicle drivers should reverse rapidly.
A、Right
B、Wrong
Answer：B
4、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
5、What should the driver do to follow other motor vehicles on a mountain road?
A、Closely follow the vehicle in front
B、Increase the safety distance
C、Reduce the vertical distance between vehicles
D、Try to overtake the vehicle in front as soon as possible
Answer：B
6、Motor vehicles should stop and wait when encountering two red lights flashing alternately at evel crossings.
A、Right
B、Wrong
Answer：A
7、Under such circumstances, motor vehicles are not allowed to overtake.
A、Right
B、Wrong
Answer：A
8、When driving on an expressway, which of the following statements is correct?
A、Drives are not allowed to drive by riding or rolling on the lane dividing line
B、Drivers are prohibited from driving on road olders
C、Drivers may overtake on the ramp, the acceleration lane or the deceleration lane
D、Drivers are prohibited from learning to drive
Answer：C
9、Before a motor vehicle enters a tunnel, the driver should adjust the speed in accordance with the indication of the traffic sign at the entrance of the tunnel.
A、Right
B、Wrong
Answer：A
10、The road marker indicates that vehicles are only allowed to turn right at the intersection ahead.
A、Right
B、Wrong
Answer：B
11、The leading cause of this accident is that the driver failed to make sure that it was safe to reverse before doing so.
A、Right
B、Wrong
Answer：A
12、When driving, besides paying attention to keeping a safe distance from the vehicle in front, drivers should also be prudent when braking so as to avoid a rear-end collision caused by a vehicle behind.
A、Right
B、Wrong
Answer：A
13、The sign on the right indicates a bypass flow intersection ahead.
A、Right
B、Wrong
Answer：B
14、Drivers may turn left when traffic police give these hand signals.
A、Right
B、Wrong
Answer：A
15、Gun powder, explosives and detonating powder belong to which of the following dangerous chemicals?
A、Oxidizing materials
B、Inflammable solid materials
C、Explosives
D、Self-igniting articles
Answer：C
16、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
17、When passing another vehicle on a foggy day, what should drivers do?
A、Slow down and pass slowly
B、Maintain a safety distance
C、Properly use lamps
D、Drive at a high speed
Answer：ABC
18、When a wounded person suffering burns is thirsty he/she may drink a small quantity of lightly salty water.
A、Right
B、Wrong
Answer：A
19、When evading an emergency, except for being calm what principle should be held by drivers?
A、Evading people first and then objects
B、Evading objects first and then vehicles
C、Evading vehicles first and then people
D、Evading objects first and then people
Answer：A
20、The drivers, loaders and supercargoes responsible for dangerous chemicals transportation should all full understand the chemical characteristics, potential risks, features of the packaging containers and emergency measures for any unexpected accidents.
A、Right
B、Wrong
Answer：A