1、It is illegal to change lanes without turning on indicators.
A、Right
B、Wrong
Answer：A
2、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
3、Motor vehicles on this kind of road are only allowed to overtake the vehicle in front from left.
A、Right
B、Wrong
Answer：A
4、When a motor vehicle accidentally hits a guardrail of a highway, the driver should stabilize and adjust the steering wheel properly, and refrain from turning the steering wheel drastically.
A、Right
B、Wrong
Answer：A
5、When an erosive material catches fire, it should not be put out with water cannon.
A、Right
B、Wrong
Answer：A
6、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
7、The driver should yield to other non-motor vehicles when the motor vehicle turns right at this Intersection.
A、Right
B、Wrong
Answer：A
8、The sign on the right indicates the road width ahead is limited to 3 meters.
A、Right
B、Wrong
Answer：A
9、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
10、When a wounded person suffering bone fracture in the thigh, shank or spine, moving the wounded person is usually prohibited.
A、Right
B、Wrong
Answer：A
11、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
12、What should the driver do if he/she encounters this situation at the intersection when driving straight?
A、Sound the horn to warn the other vehicle to yield
B、Speed up and pass in the front of the vehicle
C、Turn on the headlamp to warn the other vehicle to yield
D、Slow down or stop to yield
Answer：D
13、What should the driver do in this situation?
A、Speed up and overtake from the left side
B、Sound the horn continuously to warn the bicycle
C、Follow the bicycle closely
D、Slow down and yield to the bicycle
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、In such circumstances, which one of the following statements is the safest measure for a motor vehicle driver to take?
A、Accelerate to overtake the vehicle in front as soon as possibl
B、Voluntarily reduce speed and refrain from overtaking
C、Sound the horn to warn the vehicle in front to yield
D、Turn on the headlamp to warn the oncoming vehicle to yield
Answer：B
16、When driving into the traffic flow on a main road from a relief road, drivers should speed up.
A、Right
B、Wrong
Answer：B
17、Mr. Tao drove a midsize bus with 33 passengers. At the spot of 163 kilometers on the South Xuping Expressway, the bus clashed at a speed of 120 kilometers per hour with Mr. Ans minibus parked without any warning signs on the inside lane, due to breakdown after an accident. The midsize bus overturned after collided with the guardrail on the right-hand side. As a result of the accident, 16 people were killed and 15 injured. What are the main illega acts of the two drivers?
A、Mr. Tao carried more passengers than permitted
B、Mr. Tao exceeded speed limit
C、Mr. An failed to place any warning signs in accordance with relevant stipulations
D、Mr. An was illegally parked
Answer：ABC
18、Mr. Qi drove a large bus with 28 passengers(capacit 55 people). When arriving at an intersection without any traffic signals from south to north at a speed of 50 kilometers per hour, the bus had a side collision with Mr. Li's heavy semi-trailer tractor (capacity 40 tons and carrying 55.2 tons) running from east to west. As a result of this accident, 12 people were killed and 17 injured. What are the main illegal acts in this case?
A、The bus carried more passengers than capacity
B、The bus exceeded the speed limit
C、The tractor carried more cargo than capacity
D、The driver of the tractor was inexperienced
Answer：BC
19、Which of the following is an inflammable solid material?
A、Matches
B、Gun powder
C、Calcium carbide
D、Explosives
Answer：A
20、Motor vehicles are not allowed to reverse in a tunnel.
A、Right
B、Wrong
Answer：A