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、A motor vehicle should slow down and stop at this level crossing.
A、Right
B、Wrong
Answer：A
3、When parking for a long time on an upward slope due to breakdown on the road, drivers should use this method to stop up wheels.
A、Right
B、Wrong
Answer：B
4、When encountering a vehicle in front ascending on a mountainous road covered with ice and snow, what should the motor vehicle driver do?
A、Ascend after the vehicle in front passes the slope
B、Overtake the vehicle in front swiftly and drive on
C、Overtake the vehicle in front with a slow speed and drive on
D、Follow the vehicle in front closely
Answer：A
5、When approaching each other at night in this situation, drivers should watch for the danger where the two motor vehicles headlamps meet(the sight dead zone).
A、Right
B、Wrong
Answer：A
6、The sign on the right warns of a non-motor vehicle lane.
A、Right
B、Wrong
Answer：B
7、When a motor vehicle has deviated from the straight moving direction and an accident is unavoidable, the driver should decisively and continuously depress the brake pedal so as to shorten the stopping distance and reduce the impact of vehicle collision.
A、Right
B、Wrong
Answer：A
8、Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
A、Right
B、Wrong
Answer：A
9、The sign in front indicates the name and number of the highway.
A、Right
B、Wrong
Answer：A
10、When driving on this section of the road, drivers should observe closely and prepare to yield to the animals crossing the road.
A、Right
B、Wrong
Answer：A
11、Mr. Zhao (with an A2 driving license) drove a large sleeper coach on the No. 219 National Road in Yecheng County. When passing a curve at the spot of 226 kilometers mark by 215 meters on the road, the coach fell into the ravine on one side, killing16 people and injuring 26. What's the main illegal act committed by Mr Zhao?
A、Carrying more passengers than permitted
B、Driving a motor vehicle having failed to accept inspection in time
C、Driving an unpermitted vehicle type
D、Fatigued driving
Answer：C
12、Which of the following is a basic requirement for rescuing the injured at the scene of a traffic accident?
A、Treat wounds first and safe life later
B、Save life first and treat wounds later
C、Help lightly wounded persons first
D、Help seriously wounded persons later
Answer：B
13、The sign on the left indicates that drivers should stop to take a pass card at the toll station ahead.
A、Right
B、Wrong
Answer：A
14、Which one of the following ways to pass this intersection is correct?
A、Turn left or right
B、Drive straight or turn left
C、Turn left
D、Drive straight or turn right
Answer：D
15、The sign on the right warns of an embankment road 200 meters ahead.
A、Right
B、Wrong
Answer：A
16、Under this circumstance, motor vehicle drivers should give the right of way to oncoming vehicle.
A、Right
B、Wrong
Answer：A
17、The sign on the right warns of a dangerous mountainside road ahead.
A、Right
B、Wrong
Answer：A
18、How many kinds of law-breaking acts are displayed in flash 3?
A、One
B、Two
C、Three
D、Four
Answer：B
19、When rescuing a wounded person who has been poisoned by toxic gas, the first measure is to send him/her to a place with fresh air so that he/she will not continue to be poisoned.
A、Right
B、Wrong
Answer：A
20、The marking on the road surface indicates that the speed limit of this road section is 50 km/hour.
A、Right
B、Wrong
Answer：A