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、The sign on the right warns of a danger from rockfall on the left side.
A、Right
B、Wrong
Answer：A
3、When encountering this situation in a residential area the driver should sound the horn continuously.
A、Right
B、Wrong
Answer：B
4、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
5、The sign in the red circle indicates that the left road is only for small vehicles.
A、Right
B、Wrong
Answer：B
6、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
7、How to ensure safe driving at night?
A、Drive at speed limit
B、Cut speed and drive carefully
C、Maintain the current speed
D、Drive above the speed limit
Answer：B
8、What should the driver do when seeing these hand signals?
A、Go straight and pass through the intersection
B、Pull over
C、Drive to the waiting area for turning left
D、Turn right at the intersection
Answer：D
9、When a collision occurs on the passenger seat side or the impact is relatively small, which of the following methods is incorrect?
A、Firmly holding the steering wheel
B、Stretching both feet forward
C、Jumping out of the vehicle from one side
D、Leaning body backwards against the seat
Answer：C
10、The driver should pay attention to the left side when the motor vehicle passes this intersection.
A、Right
B、Wrong
Answer：B
11、Mr Hao drove a heavy dump truck with 84.84 tons of cargo (truck allowing for 15.58 tons). When he drove on the No 262 provincial highway in Luanxian County, at the spot of 34 kilometers mark by 623 meters, his truck overturned onto the sideway after a rear-end collision with another truck in front carrying 45.85 tons of cargo(a truck allowing for 1. 71 tons). As a result of this accident, 19 people were killed and 17 injured. What's the common illegal act of the two drivers?
A、Speeding
B、Overloaded
C、Fatigued driving
D、Driving after drinking
Answer：B
12、This sign warns of an intersection of railways and highways ahead.
A、Right
B、Wrong
Answer：A
13、The sign on the right indicates that the vehicle should yield to the oncoming traffic as approaching each other.
A、Right
B、Wrong
Answer：B
14、When encountering a school bus which stops at the right roadside and students are embarking or disembarking, and there are three motor vehicle lanes in each direction, motor vehicle drivers on the left lane behind the bus should stop and wait.
A、Right
B、Wrong
Answer：B
15、Under such circumstances, motor vehicle drivers should stop and yield
A、Right
B、Wrong
Answer：A
16、When encountering a road like this, motor vehicle drivers should downshift in advance and- control speed by braking the engine.
A、Right
B、Wrong
Answer：A
17、The sign above the tunnel indicates a height limit of 3.5 meters on the road ahead.
A、Right
B、Wrong
Answer：A
18、As shown in the flash, the driver's act is correct.
A、Right
B、Wrong
Answer：B
19、When a motor vehicle breaks down on a mountain road, what should the driver do?
A、Park on a downhill section
B、Park on an uphill section
C、Park on a gentle section of the mountain road
D、Park on the crest of a slope
Answer：C
20、How many kinds of law-breaking acts are displayed in flash 4?
A、One
B、Two
C、Three
D、Four
Answer：C