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、In which ones of the following ways can motor vehicle drivers effectively prevent braking failure?
A、Maintaining the braking system periodically
B、Checking the free brake pedal travel before driving
C、Using the braking system correctly to avoid brake-fade
D、For vehicles with hydraulic braking system, checking if the brake fluid leaks before driving
Answer：ABCD
3、How to pass the intersection when running straight
A、turn on the hazard lights and pass
B、directly speed up and pass straight
C、yield to the vehicle from the right road
D、yield to the vehicle from the left road
Answer：C
4、When rescuing a wounded person suffering blood loss in an emergency, it is necessary to first stop the bleeding by compression before other treatments are taken in accordance with the conditions of bleeding.
A、Right
B、Wrong
Answer：A
5、The sign on the right warns of a guarded railway crossing 100 meters ahead.
A、Right
B、Wrong
Answer：B
6、What should the driver do when the motor vehicle encounters this situation in front of a school?
A、Bypass before the queue
B、Slow down and pass slowl
C、Stop promptly and yield
D、Go through in the spaces between the queues
Answer：C
7、The sign on the right warns to keep a safe distance on the road ahead.
A、Right
B、Wrong
Answer：B
8、When encountering this situation on a mountainous road, motor vehicle drivers should overtake the vehicle in front by speeding up.
A、Right
B、Wrong
Answer：B
9、When a motor vehicle catches fire, the driver should swiftly turn off the engine and open the hood to extinguish the fire.
A、Right
B、Wrong
Answer：B
10、When driving on a muddy road, what should drivers do if the wheels spin and slide?
A、Cover the ground under the wheels with gravels
B、Change to a high gear and speed out
C、Cover the ground under the driving wheels with gravels
D、Violently turn the steering wheel and suddenly leed up
Answer：C
11、In the condition of low visibility, drivers should turn on the low-beam when setting off
A、Right
B、Wrong
Answer：A
12、The sign on the right warns of traffic signals ahead.
A、Right
B、Wrong
Answer：A
13、The driver should yield to other non-motor vehicles when the motor vehicle turns right at this Intersection.
A、Right
B、Wrong
Answer：A
14、The sign on the right warns of a winding road to the left ahead.
A、Right
B、Wrong
Answer：B
15、In this driving condition, drivers should turn on the high-beam when setting off.
A、Right
B、Wrong
Answer：B
16、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
17、vehicles to pass an intersection marked with this sign?
A、Stopping and observing the traffic situation around the intersection
B、Approaching the intersection by speeding up
C、Approaching the intersection at a reduced speed
D、Observing the traffic situation on the left rear side
Answer：A
18、If a motor vehicle misses an exit on the expressway, the driver may reverse along the road shoulder.
A、Right
B、Wrong
Answer：B
19、When driving on an expressway, which of the following statements is correct?
A、Drives are not allowed to drive by riding or rolling on the lane dividing line
B、Drivers are prohibited from driving on road olders
C、Drivers may overtake on the ramp, the acceleration lane or the deceleration lane
D、Drivers are prohibited from learning to drive
Answer：C
20、The sign on the right warns of a danger from rockfall on the left side.
A、Right
B、Wrong
Answer：A