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、The right-front sign indicates a time-regulated pedestrian area.
A、Right
B、Wrong
Answer：A
3、The driver should speed up to 40 kilometers per hour when he/she sees this traffic sign.
A、Right
B、Wrong
Answer：B
4、The cross-hatched marking indicates an area where vehicle drivers are not allowed to stop.
A、Right
B、Wrong
Answer：A
5、Driving and smoking has no negative effect on safe driving
A、Right
B、Wrong
Answer：B
6、The sign in front indicates that vehicles except public buses are not allowed to drive in this lane.
A、Right
B、Wrong
Answer：A
7、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
8、If a fast-moving motor vehicle has a steering failure, using emergency braking will not cause an overturn.
A、Right
B、Wrong
Answer：B
9、Upon encountering this traffic signal, how should a driver react?
A、Observe the traffic situation and pass at a reduced speed
B、Pass at an increased speed without changing gears
C、Pass before the train comes
D、Crossing the stop line is prohibited
Answer：D
10、The sign on the right warns for disabled people ahead.
A、Right
B、Wrong
Answer：A
11、If the road condition behind is good, motor vehicle drivers should reverse rapidly.
A、Right
B、Wrong
Answer：B
12、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
13、If a fast moving vehicle has a steering failure, using emergency braking can easily cause an overturn.
A、Right
B、Wrong
Answer：A
14、What should the driver do when he/she sees this sign on the road?
A、Use emergency braking
B、Slow down and take a look
C、Sound the horn intermittently
D、Prepare to bypass
Answer：B
15、A motor vehicle should not obstruct other vehicles when it enters the driving lane from an acceleration lane.
A、Right
B、Wrong
Answer：A
16、Motor vehicle drivers are allowed to overtake as long as there are no oncoming vehicles.
A、Right
B、Wrong
Answer：B
17、Sideslip happens most easily on which one of the following road surfaces?
A、Dry concrete road
B、Road surface at the beginning of rain
C、Damp concrete road surface
D、Road in heavy rain
Answer：B
18、The sign on the right indicates to stop and yield for oncoming vehicles approaching on the road ahead.
A、Right
B、Wrong
Answer：B
19、How should lamps be used by the motor vehicle driver who follows a vehicle on a road section where he street light condition is good?
A、Turn off the headlamp
B、Use high-beam
C、Turn off all lamps
D、Use low-beam
Answer：D
20、As shown in the flash, the driver's act is correct.
A、Right
B、Wrong
Answer：B
21、The sign on the right warns to keep a safe distance on the road ahead.
A、Right
B、Wrong
Answer：B
22、Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
A、Right
B、Wrong
Answer：A
23、When a motor vehicle temporarily stops at night, which lamp should be turned on?
A、Front and rear fog lamp, clearance lamp and rear position lamp
B、Head lamp, clearance lamp and rear position lamp
C、Hazard lamp, clearance lamp and rear position lamp
D、Reverse lamp, clearance lamp and rear position lamp
Answer：C
24、The sign above the tunnel indicates a height limit of 3.5 meters on the road ahead.
A、Right
B、Wrong
Answer：A
25、When an erosive material catches fire, it should not be put out with water cannon.
A、Right
B、Wrong
Answer：A