1、A motor vehicle may stop and yield if it encounters any problem when changing to the driving lane from an acceleration lane.
A、Right
B、Wrong
Answer：B
2、Motor vehicles are permitted to move to the right lane at this intersection.
A、Right
B、Wrong
Answer：B
3、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
4、Before making a U-turn at the intersection ahead, motor vehicle drivers should drive to the lane for turning left and going straight.
A、Right
B、Wrong
Answer：B
5、Drivers may turn left when traffic police give these hand signals.
A、Right
B、Wrong
Answer：B
6、When parking temporarily in this situation, motor vehicle drivers are allowed to turn the steering wheel left to avoid sliding.
A、Right
B、Wrong
Answer：A
7、The sign on the right indicates that the speed limit is 50km/hour.
A、Right
B、Wrong
Answer：B
8、The sign on the right indicates a T-shaped intersection head.
A、Right
B、Wrong
Answer：B
9、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
10、When a gas tanker is leaking heavily, which of the following measures is wrong?
A、Cut off the power
B、Wear gas mask and protect gloves
C、Turn off the valve to stop leaking
D、Evacuate people to the leeward side
Answer：D
11、If a fast moving vehicle has a steering failure, using emergency braking can easily cause an overturn.
A、Right
B、Wrong
Answer：A
12、Drivers are allowed to cross the broken and solid white line on the road when changing lanes or pulling over.
A、Right
B、Wrong
Answer：A
13、It is illegal to change lanes without turning on indicators.
A、Right
B、Wrong
Answer：A
14、The sign on the right warns of right-hand S-shaped bend ahead.
A、Right
B、Wrong
Answer：B
15、When encountering a school bus which stops at the right roadside and students are embarking or disembarking, and there is only one motor vehicle lane in each direction, motor vehicle drivers behind the bus should stop and wait.
A、Right
B、Wrong
Answer：A
16、The sign on the right side warns of crosswind on the mountain pass ahead.
A、Right
B、Wrong
Answer：A
17、The sign on the right indicates a 2-kilometer distance from the Donglushan Service Area on the highway.
A、Right
B、Wrong
Answer：A
18、The right-front sign indicates a time-regulated pedestrian area.
A、Right
B、Wrong
Answer：A
19、Having driven his vehicle at 110km/hour on an urban road, Mr. Lin is trying to leave the scene after a rear-end collision but is held back by bystanders. The alcohol concentration in his blood, tested in an alcohol test by the traffic police, is 135.8mg per hundred milliliters. Which of the following law-breaking acts did Mr. Lin commit?
A、Drunk driving
B、Speeding
C、Fatigued driving
D、Hit-and-run driving
Answer：ABD
20、Mr. Tao drove a midsize bus with 33 passengers. At the spot of 163 kilometers on the South Xuping Expressway, the bus clashed at a speed of 120 kilometers per hour with Mr. Ans minibus parked without any warning signs on the inside lane, due to breakdown after an accident. The midsize bus overturned after collided with the guardrail on the right-hand side. As a result of the accident, 16 people were killed and 15 injured. What are the main illega acts of the two drivers?
A、Mr. Tao carried more passengers than permitted
B、Mr. Tao exceeded speed limit
C、Mr. An failed to place any warning signs in accordance with relevant stipulations
D、Mr. An was illegally parked
Answer：ABC