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 should accelerate when driving into an intersection with this traffic signal.
A、Right
B、Wrong
Answer：B
3、Which of the following measures is incorrect when a motor vehicle stops?
A、Stop at a stipulated place
B、Avoid stopping on pedestrian streets
C、Avoid obstructing the passing of other motor vehicles and pedestrians when temporarily stops on the road
D、Stop on the non-motor vehicle lane
Answer：D
4、The sign on the right indicates that turning right is not permitted at the intersection ahead.
A、Right
B、Wrong
Answer：A
5、When the vehicle behind gives a notice of overtaking at night, the vehicle in front should not yield blindly.
A、Right
B、Wrong
Answer：A
6、When a motor vehicle breaks down and cannot be moved away from the emergency lane or the road shoulder, the driver and all passengers should get off the vehicle and wait on the road side instead of leaving the expressway.
A、Right
B、Wrong
Answer：B
7、For evading an emergency on an expressway, which of the following principles should drivers stick to?
A、Evading vehicles first and objects later
B、Evading people first and objects later
C、Evading vehicles first and people later
D、Evading objects first and people later
Answer：B
8、When driving on a road covered with ice and snow drivers should not use the emergency brake but can apply a sharp turn.
A、Right
B、Wrong
Answer：B
9、When a motor vehicle deviates from the normal direction due to steering failure, what should the driver do?
A、Immediately steer and adjust
B、Reduce speed and stop the vehicle as early as possible
C、Steer to the side where there is no obstacle to evade
D、Steer to the side where there is an obstacle to evade
Answer：B
10、When driving a motor vehicle equipped with power steering, the driver should firmly hold the steering wheel and drive slowly if he/she suddenly finds that steering is difficult.
A、Right
B、Wrong
Answer：B
11、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
12、When passing an intersection, vehicle motor drivers are not allowed to overtake.
A、Right
B、Wrong
Answer：A
13、When extinguishing fire, the synthetic-made garments should not be taken off in order to protect the exposed skin from burning.
A、Right
B、Wrong
Answer：B
14、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
15、This sign warns that the section ahead is under traffic monitoring.
A、Right
B、Wrong
Answer：A
16、When there is a braking failure on a downhill road, what should not be done by the driver?
A、Steering the motor vehicle to the uphill direction
B、Stopping the vehicle by rubbing the vehicle body against the rocks or trees on roadside
C、Driving to the emergency lane and stop the vehicle there
D、Pulling up the stopping brake or change the gear to two positions lower
Answer：D
17、Motor vehicles are not allowed to reverse in a tunnel.
A、Right
B、Wrong
Answer：A
18、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
19、When encountering a school bus which stops at the right roadside and students are embarking or disembarking, and there is only one motor vehicle lane in each direction, motor vehicle drivers behind the bus should stop and wait.
A、Right
B、Wrong
Answer：A
20、Motor vehicles should stop and wait when encountering two red lights flashing alternately at evel crossings.
A、Right
B、Wrong
Answer：A