1、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
2、When a motor vehicle breaks down and cannot be moved away from the expressway, the driver and all passengers should stay in the vehicle and wait for the rescue personnel.
A、Right
B、Wrong
Answer：B
3、Drivers may turn right at the intersection when traffic police give these hand signals.
A、Right
B、Wrong
Answer：A
4、One day, Mr. Yang drove a large bus with 57 passengers(bus capacity 55 people)from 7 pm to 1 am the following morning. At the spot of 3008 kilometers mark by 110 meters on the No. 050 National Road in Jin Chengjiang District, the bus had a malignant traffic accident caused by front left tire burst, killing12 people and injuring 22. What's the main illegal act committed by Mr Yang?
A、Fatigued driving
B、Carrying more passengers than permitted
C、Speeding
D、Misoperation
Answer：AB
5、On which of the following roads may the wheels be most easily locked when braking?
A、Concrete road
B、Dirt road
C、Road covered by ice and snow
D、Sand road
Answer：C
6、If the road condition behind is good, motor vehicle drivers should reverse rapidly.
A、Right
B、Wrong
Answer：B
7、The sign in front is an advance announcement of the directions led by the interchange.
A、Right
B、Wrong
Answer：A
8、How should lamps be used when motor vehicle drivers pass through a two-way tunnel?
A、Turn on the hazard lamps
B、Turn on the high-beam
C、Turn on the fog lamp
D、Turn on the low-beam
Answer：D
9、The sign on the left indicates the destinations of two highway directions
A、Right
B、Wrong
Answer：A
10、The sign on the right warns of an unguarded railway crossing 150 meters ahead.
A、Right
B、Wrong
Answer：A
11、At this intersection, motor vehicle drivers may directly make a U-turn along the U-turn turning lane.
A、Right
B、Wrong
Answer：B
12、After a motor vehicle falls into water, the driver should immediately close the windows to prevent water from flowing into the compartment and to keep the air from flowing out. At the same time, he/she should make calls to tell the rescue personnel the place of the accident and wait for their arrival.
A、Right
B、Wrong
Answer：B
13、When going straight or turning right, drivers are not allowed to drive on or across the guide lines on both sides of the intersection.
A、Right
B、Wrong
Answer：A
14、When driving in thick or extremely thick fog, what should the driver do due to the low visibility in such weather?
A、Turn on the headlamp and drive slowly
B、Turn on the fog lamp and drive slowl
C、Park in a safe place
D、Drive slowly close to the roadside
Answer：C
15、The diamond-shaped sign on the road indicates a crosswalk on the road ahead.
A、Right
B、Wrong
Answer：A
16、Under such circumstances, what should motor vehicle drivers do?
A、Guard against the sideslip of motor vehicles
B、Guard against the crossing of pedestrians
C、Speed up and pass through as quickly as possible
D、Continuously sound the horn
Answer：B
17、When braking, side skid or tail swing may occur if the rear wheels are blocked.
A、Right
B、Wrong
Answer：A
18、The motor vehicle equipped with ABS may sideslip during an emergency brake.
A、Right
B、Wrong
Answer：A
19、The sign on the right indicates that turning right is not permitted at the intersection ahead.
A、Right
B、Wrong
Answer：A
20、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
21、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
22、When encountering a road like this, motor vehicle drivers should downshift in advance to maintain the dynamic of the motor vehicle.
A、Right
B、Wrong
Answer：A
23、The sign on the right warns of low-lying road ahead.
A、Right
B、Wrong
Answer：A
24、Motor vehicle drivers may make a U-turn in the broken line area as long as it will not affect the normal traffic flow.
A、Right
B、Wrong
Answer：A
25、Mr. Zou drove a large sleeper coach (capacity 35 people and carrying 47 passengers). At the spot of 938 kilometers of the Jinggang'ao Expressway, large amounts of dangerous chemicals in the coach blew up, killing 41 people and injuring 6. What are the main illegal acts in this case?
A、Carrying more passengers than permitted
B、Passengers carried flammable and explosive substances
C、Speeding
D、Illegal parking
Answer：AB