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、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
3、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
4、What should the driver do when the motor vehicle passes the level crossing?
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：B
5、The sign on the right side warns of a sharp right turn ahead.
A、Right
B、Wrong
Answer：A
6、As shown in the flash, what should the motor vehicle driver do when encountering this situation?
A、Reserve a safe crosswise distance and cut speed
B、Keep a normal speed
C、Use the emergency brake when approaching
D、Speed up and pass rapidly
Answer：A
7、This sign warns to bypass from either side to avoid roadblock.
A、Right
B、Wrong
Answer：A
8、The sign on the right warns of an embankment road 200 meters ahead.
A、Right
B、Wrong
Answer：A
9、It is illegal to change lanes without turning on indicators.
A、Right
B、Wrong
Answer：A
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、The broken yellow line in the center of the road indicates that bypassing by crossing the line is prohibited in any condition.
A、Right
B、Wrong
Answer：B
12、The sign in front indicates a one-kilometer distance from the highway entry.
A、Right
B、Wrong
Answer：A
13、The motor vehicle should slow down and pass slowly in this situation.
A、Right
B、Wrong
Answer：A
14、Which one of the following is the safest way to pass the oncoming vehicle on this road?
A、Driving along the central line
B、Driving with headlamp on
C、Yielding by the right side of the road
D、Yielding by the left side of the oncoming vehicle
Answer：C
15、When a motor vehicle breaks down on an expressway and cannot be moved away from the driving lane, the driver may conduct emergency repairs on the driving lane.
A、Right
B、Wrong
Answer：B
16、The sign on the right warns of an uneven road ahead.
A、Right
B、Wrong
Answer：A
17、When passing another vehicle on a foggy day, what should drivers do?
A、Slow down and pass slowly
B、Maintain a safety distance
C、Properly use lamps
D、Drive at a high speed
Answer：ABC
18、How should lamps be used when a motor vehicle meets an oncoming bicycle on a narrow road or a narrow bridge at night?
A、Continuously change between low-beam and high-beam
B、Use clearance lamp
C、Use high-beam
D、Use low-beam
Answer：D
19、What should motor vehicle drivers do when approaching an oncoming vehicle on a frozen road?
A、Cut speed as approaching each other
B、Pass each other by speeding up properly
C、Pass each other slowly by cutting speed in advance
D、Pass each other along the central line to the best
Answer：C
20、The sign on the right indicates that vehicles from the primary road have priority.
A、Right
B、Wrong
Answer：A