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、Motor vehicles are not allowed to reverse in a tunnel.
A、Right
B、Wrong
Answer：A
3、On a mountain road, what should the driver do in this situation?
A、Drive on the left and speed up to bypass
B、Stop to observe and pass slowly
C、Observe closely and pass as soon as possible
D、Sound the horn several times and pass slowly
Answer：C
4、What should be done by the driver who intends to overtake but finds that the vehicle in front is also overtaking?
A、Following the vehicle in front closely and finding a chance to overtake it
B、Accelerating to overtake forcefully
C、Continuously sounding the horn to urge the vehicle in front to yield
D、Refraining from overtaking and letting the vehicle in front overtake first
Answer：D
5、When a bicycle borrows the motor vehicle lane, the motor vehicle may sound the horn hurriedly to warn the bicycle to yield.
A、Right
B、Wrong
Answer：B
6、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
7、Turning on the high-beam is an effective way to improve visibility in fog weather.
A、Right
B、Wrong
Answer：B
8、When there is a sudden braking failure on a downhill road, in which ones of the following ways can drivers reduce speed?
A、Driving onto the emergency lane and reduce speed and stop there
B、Rubbing the vehicle body against the rocks or trees on roadside
C、Pulling up the handbrake first
D、Immediately changing to a low gear
Answer：ABD
9、The guide arrow on the road surface of this lane indicates that only left turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：B
10、When braking failure happens to a fast-moving motor vehicle, what should be done by the driver to brake?
A、Continuously depressing the brake pedal
B、Immediately changing to a low gear to reduce speed and using the handbrake
C、Swiftly depressing the clutch pedal
D、Swiftly pulling up the handbrake
Answer：B
11、The sign on the right warns of no passing due to collapse on the road ahead.
A、Right
B、Wrong
Answer：B
12、How many kinds of law-breaking acts are displayed in flash 4?
A、One
B、Two
C、Three
D、Four
Answer：C
13、When such circumstances happen suddenly, drivers should reduce speed in a timely fashion or stop to yield.
A、Right
B、Wrong
Answer：A
14、It is an illegal act for the driver to make calls while driving.
A、Right
B、Wrong
Answer：A
15、A motor vehicle may stop and yield if it encounters any problem when changing to the driving lane from an acceleration lane.
A、Right
B、Wrong
Answer：B
16、When the engine suddenly stalls on the road, what should the driver do?
A、Stop the vehicle and overhaul it immediately
B、Immediately turn on the hazard lamps
C、Move the vehicle to a place where it will not obstruct the traffic flow
D、Set up a breakdown warning sign
Answer：BCD
17、Under such circumstances, the motor vehicle driver should voluntarily reduce speed and let the vehicle behind overtake.
A、Right
B、Wrong
Answer：A
18、When encountering an obstacle on one side of the road, what should vehicles do as they approach each other?
A、The vehicle not encountering an obstacle should Yield to the other vehicle
B、The slower vehicle should yield to the faster
C、The vehicle encountering an obstacle should yield to the other vehicle
D、The faster vehicle should yield to the slower
Answer：C
19、Motor vehicles drivers may overtake by borrowing the opposite lane on this kind of road.
A、Right
B、Wrong
Answer：B
20、The sign on the right indicates a passing bay ahead.
A、Right
B、Wrong
Answer：A