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、Matches, sulfur and red phosphorus belong to which of the following dangerous chemicals?
A、Explosives
B、Oxidizing materials
C、Self-igniting articles
D、Inflammable solid materials
Answer：D
3、What should the driver do in this situation?
A、Speed up and overtake from the left side
B、Sound the horn continuously to warn the bicycle
C、Follow the bicycle closely
D、Slow down and yield to the bicycle
Answer：D
4、It is an illegal act for the driver to make calls while driving.
A、Right
B、Wrong
Answer：A
5、When encountering this situation, which of the following is the correct way to overtake other vehicles?
A、Turn on high-beam
B、Use high-beam and low-beam alternatively
C、Turn on low-beam
D、Turning on hazard lamp
Answer：B
6、Under this circumstance, motor vehicle drivers should not reduce speed.
A、Right
B、Wrong
Answer：B
7、What should the driver do when seeing these hand signals.
A、Stop and wait
B、Go straight and pass through the intersection
C、Turn right at the intersection
D、Turn left at the intersection
Answer：A
8、When there is a braking failure on a downhill road, if there is no favorable terrain or opportunity to stop the vehicle, the driver should drop gear by one position or two positions, and control the speed by taking advantage of the braking role of the engine.
A、Right
B、Wrong
Answer：A
9、The sign on the right indicates that the speed limit of 40km/hour is lifted on the road ahead.
A、Right
B、Wrong
Answer：B
10、When driving in thick or extremely thick fog, what should the driver do due to the low visibility in such weather?
A、Turn on the headlamp and drive slowly
B、Turn on the fog lamp and drive slowl
C、Park in a safe place
D、Drive slowly close to the roadside
Answer：C
11、The sign in front indicates a one-kilometer distance from the next left exit.
A、Right
B、Wrong
Answer：B
12、Under such circumstances, motor vehicle drivers should bypass on the left quickly.
A、Right
B、Wrong
Answer：B
13、The main impact of muddy roads on safe driving is that the wheels may easily spin and skid
A、Right
B、Wrong
Answer：A
14、When a motor vehicle enters an expressway from the ramp, which of the following lamps should be turned on?
A、The left-turn indicator
B、The right-turn indicator
C、The hazard warning lamp
D、The headlamp
Answer：A
15、When there is no bandage for rescuing a wounded person, towels, handkerchiefs, bed sheets and stockings can all be used for dressing.
A、Right
B、Wrong
Answer：A
16、The crosswalk of the intersection warns that pedestrians have priority.
A、Right
B、Wrong
Answer：A
17、What should the driver do in this condition?
A、Go through normally on the right side
B、Sound the horn and speed up to go through the tunnel
C、Stop and yield to the oncoming vehicle
D、Turn on the headlamp to warn the oncoming vehicle to yield
Answer：C
18、When entering an expressway ramp, which of the following statements is correct?
A、Drivers are allowed to overtake other vehicles
B、Drivers are prohibited from making U-turns
C、Drivers are allowed to stop
D、Drivers are allowed to reverse
Answer：B
19、What's the main impact of foggy weather on safe driving?
A、Easy to slide sideways
B、Low visibility
C、Increase the resistance
D、Widen the field of vision
Answer：B
20、When encountering an emergency on a highway, the driver should not drastically turn to evade.
A、Right
B、Wrong
Answer：A