1、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
2、Which one of the following vehicle types is not allowed to pass, as indicated by the right-hand sign?
A、Large trucks
B、Large buses
C、Motor vehicles of all kinds
D、Small vans
Answer：C
3、What should the driver do when the motor vehicle counters this situation?
A、Sound the horn continuously to warn
B、Speed up and bypass from the front
C、Slow down when encountering any risks
D、Slow down voluntarily and yield
Answer：D
4、Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
A、Right
B、Wrong
Answer：A
5、How should the driver use vehicle lights when the motor vehicle leaves a roundabout?
A、Turn on the left-turn indicator
B、Turn on the hazard lamps
C、No need to turn on any indicators
D、Turn on the right-turn indicator
Answer：D
6、What should the driver do when seeing these hand signals?
A、Go straight and pass through the intersection
B、Stop and wait
C、Turn right at the intersection
D、Turn left at the intersection
Answer：B
7、When reversing in this condition, in which of the following ways can motor vehicle drivers keep safe?
A、Reverse at a lower speed
B、Voluntarily stop and yield
C、Continuously sound the horn to alert
D、Reverse in a clockwise direction
Answer：B
8、When driving in a heavy rain, drivers should contro their speed to prevent their vehicles from sliding.
A、Right
B、Wrong
Answer：A
9、It is a bad habit for a driver to put his left arm on the window of the vehicle or hold the gear lever in his right hand for a long time.
A、Right
B、Wrong
Answer：A
10、The driver should speed up to 40 kilometers per hour when he/she sees this traffic sign.
A、Right
B、Wrong
Answer：B
11、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
12、When a motor vehicle breaks down and cannot be moved away from the expressway, the driver and all passengers should stay in the vehicle and wait for the rescue personnel.
A、Right
B、Wrong
Answer：B
13、When a wounded person is beneath the wheel or cargo, we should help him/her out immediately by pulling the limbs of the wounded.
A、Right
B、Wrong
Answer：B
14、When a wounded person suffering bone fracture in the thigh, shank or spine, moving the wounded person is usually prohibited.
A、Right
B、Wrong
Answer：A
15、When driving on this dangerous mountainside road motor vehicle drivers should drive along the left side of the road.
A、Right
B、Wrong
Answer：B
16、How should lamps be used when motor vehicle drivers pass through a two-way tunnel?
A、Turn on the hazard lamps
B、Turn on the high-beam
C、Turn on the fog lamp
D、Turn on the low-beam
Answer：D
17、The guide arrow on the road surface of this lane indicates that U-turns and left turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：A
18、When a bus encounters an unexpected situation or an accident, the driver should do his best to minimize the loss and should never cause a secondary accident or even greater loss for the sake of avoiding danger.
A、Right
B、Wrong
Answer：A
19、Mr. Zhou drove a light van (with 22 passengers) on the Bingcha Highway. At the spot of 79 kilometers mark by 150 meters of the highway, the van fell into the valley on one side, killing 12 people and injuring 10. What's the main illegal act committed by Mr.Zhou?
A、Driving a motor vehicle having failed to accept inspection in time
B、Carrying passengers on a freight motor vehicle
C、Speeding
D、Fatigued driving
Answer：B
20、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