1、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
2、When a motorcycle wades across the water, the braking efficiency of the brake does not change.
A、Right
B、Wrong
Answer：B
3、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
4、The main impact of muddy roads on safe driving is that the wheels may easily spin and skid
A、Right
B、Wrong
Answer：A
5、When driving in a strong wind, drivers should abruptly turn the steering wheel to return to the original direction if they feel the vehicle deviates horizontally due to a strong gale.
A、Right
B、Wrong
Answer：B
6、When there is bleeding at the bone fracture of a wounded person, the first thing to do is to fix the wounded part in position, then stop the bleeding and dress the wound.
A、Right
B、Wrong
Answer：B
7、What is the meaning of this sign?
A、Overtaking ban is lifted
B、Changing lane is allowed
C、Changing lane ban is lifted
D、Borrowing lane ban is lifted
Answer：A
8、When a bicycle borrows the motor vehicle lane, the motor vehicle may sound the horn hurriedly to warn the bicycle to yield.
A、Right
B、Wrong
Answer：B
9、What is the meaning of this sign?
A、Slippery section
B、Sharp curve
C、Inverse curve
D、Continuous curves
Answer：D
10、When use the brake of a motorcycle, use the front-wheel brake first, then use the back-wheel brake.
A、Right
B、Wrong
Answer：B
11、What are the main reason for not applying emergency braking when driving on rainy days?
A、Increase fuel consumption
B、Reduce fuel consumption
C、The tires can easily spin
D、Easy to cause rear-end collision
Answer：CD
12、When a vehicle stops temporarily at the roadside at night, the wrong measure is to ______.
A、Turn on the warning flash light
B、Turn on the contour light
C、Turn on the high beam light
D、Turn off all lights
Answer：CD
13、What is the meaning of this sign?
A、A manned level crossing
B、Multi-crossing of railway and road
C、Grade separation level crossing
D、An unmanned level crossing
Answer：A
14、When a vehicle encounters a strong side wind in a mountain valley, the driver should drastically turn the steering handlebar to adjust the direction of the vehicle if he feels the vehicle deviates from the normal direction.
A、Right
B、Wrong
Answer：B
15、Once inflammable gas causes a fire disaster, it should be put out with water in good time.
A、Right
B、Wrong
Answer：B
16、When passing an intersection, vehicle motor drivers are not allowed to overtake.
A、Right
B、Wrong
Answer：A
17、What is the meaning of this sign?
A、No borrowing lane
B、No changing lane
C、No overtaking
D、No U turn
Answer：C
18、It is unsafe to ride a motorcycle by high-heel shoes.
A、Right
B、Wrong
Answer：A
19、What is the meaning of this sign?
A、No yielding
B、Yield while crossing each other
C、Reduce speed and yield
D、Stop to yield
Answer：C
20、What is the meaning of this sign?
A、No changing lane
B、No left turn
C、No going straight
D、No U turn
Answer：D
21、What is the meaning of this sign?
A、Slippery section
B、Sharp curve
C、Inverse curve
D、Continuous curves
Answer：C
22、When a tire blowout on the road, the driver should control the direction of the vehicle and use emergency braking to bring the motorcycle swiftly to a stop.
A、Right
B、Wrong
Answer：B
23、When driving in icy and snowy weather, because of the reduction of the stability, it is easy for the wheels to race or slip when rapidly speeding up.
A、Right
B、Wrong
Answer：A
24、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
25、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