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 this situation around a school, the driver should speed up and pass as quickly as possible.
A、Right
B、Wrong
Answer：B
3、The sign in front indicates a one-kilometer distance from the next left exit.
A、Right
B、Wrong
Answer：B
4、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
5、How many kinds of law-breaking acts are displayed in flash 6?
A、One
B、Two
C、Three
D、Four
Answer：C
6、The sign on the right warns of traffic signals ahead.
A、Right
B、Wrong
Answer：A
7、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
8、The guide arrow on the road surface of this lane indicates that only right turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：B
9、The guide arrow on the road surface of this lane indicates that drivers are only permitted to continue straight at the intersection ahead.
A、Right
B、Wrong
Answer：A
10、The guide arrow on the road surface of this lane indicates that only left and right turns are permitted on the lanes ahead.
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、It is illegal to change lanes without turning on indicators.
A、Right
B、Wrong
Answer：A
13、Motor vehicles are prohibited from turning left in this situation.
A、Right
B、Wrong
Answer：A
14、This sign warns to bypass from the left side to avoid the roadblock.
A、Right
B、Wrong
Answer：B
15、The sign on the right warns of a non-motor vehicle lane.
A、Right
B、Wrong
Answer：B
16、The sign on the right indicates that sounding the horn is prohibited here.
A、Right
B、Wrong
Answer：B
17、Driving and smoking has no negative effect on safe driving
A、Right
B、Wrong
Answer：B
18、When a wounded person suffering burns is thirsty, he should only drink plain boiled water.
A、Right
B、Wrong
Answer：B
19、When a motor vehicle turns at an excessively high speed, it can easily slide sideways.
A、Right
B、Wrong
Answer：A
20、The diamond-shaped broken line warns that drivers should drive at a lower speed on the road sections ahead.
A、Right
B、Wrong
Answer：A
21、Where is the proper parking place for breakdown motor vehicles stopping for examination?
A、In the far outer lane
B、In the inner lane
C、In the emergency lane
D、Entrance area of the ramp
Answer：C
22、The sign on the right warns for livestock on the road ahead.
A、Right
B、Wrong
Answer：B
23、What should motor vehicle drivers do when approaching an oncoming vehicle on a frozen road?
A、Cut speed as approaching each other
B、Pass each other by speeding up properly
C、Pass each other slowly by cutting speed in advance
D、Pass each other along the central line to the best
Answer：C
24、When the tire pressure is too low, what can happen when driving at a high speed?
A、Tire pressure will be unstable
B、Tire pressure will increase
C、Driving resistance will decrease
D、The tire will burst
Answer：D
25、When a motor vehicle turns left at this intersection the driver should change to the left lane in advance by the guide arrow.
A、Right
B、Wrong
Answer：A