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、Drivers may go straight and pass through when traffic police give these hand signals
A、Right
B、Wrong
Answer：B
3、The marking on the road surface indicates that the speed limit of this road section is 80 km/hour.
A、Right
B、Wrong
Answer：B
4、What should be taken note of by drivers in this situation?
A、he motor vehicle(s)on the left side
B、The motor vehicle(s) on the right side
C、The motor vehicle(s) behind
D、The motor vehicle(s)in front
Answer：A
5、When approaching another vehicle at night, why should the driver alternate between high-and-low-beam at a distance more than 150 meters?
A、Warn each other before passing
B、Driving habit
C、Easy to observe the situation ahead from either side
D、Courtesy
Answer：C
6、Under such circumstances, what should motor vehicle drivers do?
A、Pass slowly at a lower speed
B、Speed up and pass
C、Continuously sound the horn and pass
D、Pass at a normal speed
Answer：A
7、When driving in a residential area, the driver should not exceed the speed indicated by the speed limit sign.
A、Right
B、Wrong
Answer：A
8、In the condition of low visibility, drivers should turn on the low-beam when setting off
A、Right
B、Wrong
Answer：A
9、As shown in the flash, the motor vehicle chooses a correct way to pass through the level crossing.
A、Right
B、Wrong
Answer：A
10、What should the driver do to ensure the motor vehicle passes the level crossing safely?
A、Change to neutral gear and slide over
B、Stop, look, and pass
C、Speed up, look and pass rapidly
D、Slow down, look and pass slowly
Answer：C
11、Motor vehicles are prohibited from driving straight or turning left in this situation.
A、Right
B、Wrong
Answer：A
12、The sign in front indicates a one-way lane after turning left.
A、Right
B、Wrong
Answer：A
13、When a motor vehicle passes over an overflowing bridge, what should the driver do after stopping and observing closely?
A、Change to a high gear and pass rapidly
B、Constantly observe the changes of the flow
C、Prepare to stop at any time
D、Change to a low gear and pass through at a constant speed
Answer：D
14、The sign in front indicates an indoor parking ground 100 meters ahead.
A、Right
B、Wrong
Answer：A
15、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
16、Which is the wrong measure to avoid tire burst?
A、Reduce tire pressure
B、Check tires regularly
C、Remove foreign matters from the tire tread grooves timely
D、Replace tires that have cracks or deep cuts
Answer：A
17、Under such circumstances, motor vehicles are allowed to cross the central solid line to overtake.
A、Right
B、Wrong
Answer：B
18、When encountering this situation in a residential area the driver should speed up and pass in front of the bicycle.
A、Right
B、Wrong
Answer：B
19、The sign on the right warns of a danger from rockfall on the left side.
A、Right
B、Wrong
Answer：A
20、The sign on the right indicates to stop and yield for oncoming vehicles approaching on the road ahead.
A、Right
B、Wrong
Answer：B