1、The drivers, loaders and supercargoes responsible for dangerous chemicals transportation should all full understand the chemical characteristics, potential risks, features of the packaging containers and emergency measures for any unexpected accidents.
A、Right
B、Wrong
Answer：A
2、Driving a motor vehicle in the downhill section of a mountain road avoids overtaking as much as possible because _______.
A、Vehicle resistance in downhill section is very high
B、Vehicles on downhill sections are more difficult to control than on flat roads due to gravity.
C、In downhill section, the front speed is faster and it is difficult to overtake.
D、Vehicles on downhill sections tend to be too fast due to gravity
Answer：BD
3、What is the meaning of this sign?
A、Reducing speed 40m ahead
B、Minimum speed is 40km/hr
C、Axle weight limit is 40 tons
D、Maximum speed limit is 40km/hr
Answer：D
4、When driving a motor vehicle ready to enter a congested roundabout, the wrong measure is to ______.
A、Honk to indicate another vehicle to yield
B、Stop to yield
C、Driving into the congested intersection
D、Drive fast into the intersection
Answer：ACD
5、What is the meaning of this sign?
A、No U turn at intersection
B、No changing lane from both sides
C、No left or right turn
D、No going straight
Answer：C
6、What is the meaning of this sign?
A、Turn right
B、One-way road
C、Going straight only
D、Straight-going lane
Answer：A
7、A motorcycle is not permitted to tow other vehicles or to be towed by other vehicles.
A、Right
B、Wrong
Answer：A
8、Under such circumstances, motor vehicle drivers may sound the horn at the proper time and speed up to pass through.
A、Right
B、Wrong
Answer：B
9、What is the meaning of this sign?
A、No right turn
B、No U turn
C、No going straight
D、No left turn
Answer：C
10、There is a risk of overtaking when driving a motor vehicle approaches the top of the slope on a mountainous road, because _____.
A、When approaching the top of the slope, the line of sight is blocked and it is impossible to observe the traffic situation.
B、When approaching the top of the slope, the line of sight is blocked. It is impossible to observe whether there are obstacles behind the top of the slope.
C、The speed is slower when approaching the top of the slope.
D、When approaching the top of the slope, the line of sight is blocked and the road direction behind the top of the slope can not be observed.
Answer：ABD
11、What is the meaning of this sign?
A、Stop to yield
B、No stopping temporarily
C、No entry
D、No long stopping
Answer：A
12、When a motorcycle wades across the water, the braking efficiency of the brake does not change.
A、Right
B、Wrong
Answer：B
13、When encountering a school bus which stops at the right roadside and students are embarking or disembarking, what should motor vehicle drivers do?
A、If there is only one motor vehicle lane in each direction, motor vehicle drivers behind the bus should stop and wait.
B、If there are two motor vehicle lanes in each direction, motor vehicle drivers in the left lane behind the bus may overtake the bus at a lower speed
C、If there are three motor vehicle lanes in each direction, motor vehicle drivers in the middle lane behind the bus should stop and wait
D、If there are three motor vehicle lanes in each direction, motor vehicle drivers in the left lane behind the bus may pass at a lower speed
Answer：ACD
14、When a wounded person is under the wheel or cargo, the wrong method is to pull the limbs of the wounded.
A、Right
B、Wrong
Answer：B
15、When rescuing a wounded person suffering spinal fracture, it is necessary to ___________.
A、Take warm-keeping measure
B、Use soft stretcher to carry
C、Use sling to keep in position
D、Help the wounded person to move
Answer：C
16、What is the meaning of this sign?
A、Continuous down slopes
B、Steep downhill road
C、Steep uphill road
D、Continuous up slopes
Answer：A
17、What is 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
18、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
19、When encountering this situation in a residential area, the driver may honk to urge them to yield.
A、Right
B、Wrong
Answer：B
20、After setting off from the roadside, motor vehicle drivers should speed up as soon as possible and make a sharp left-turn in order to drive into the normal lane.
A、Right
B、Wrong
Answer：B
21、When a tire blowout on the road, the driver should swiftly depress the brake pedal to reduce speed and stop the vehicle.
A、Right
B、Wrong
Answer：B
22、What is the meaning of this sign?
A、No honking the tweeter
B、No honking the woofer
C、Should honk
D、No honking
Answer：C
23、What marking is the road mark?
A、Crosswalk ahead
B、Intersection ahead
C、Reduce speed and yield ahead
D、Stop to yield ahead
Answer：A
24、What is the meaning of this sign?
A、Road narrows on both sides
B、Road narrows on the right side
C、Road narrows on the left side
D、Bridge narrows
Answer：B
25、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