1、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
2、At the scene of a traffic accident, once there is a leakage of toxic and harmful substances, people must be evacuated at the first time and alarmed immediately.
A、Right
B、Wrong
Answer：A
3、When driving a motor vehicle near an intersection, the vehicle may speed up and honk to pass.
A、Right
B、Wrong
Answer：B
4、When following other vehicles on the uphill section of a mountain road, what should the driver do if the vehicle in front stops?
A、Overtake from either side of the front vehicle
B、Stop close to the vehicle in front
C、Stop with a larger space from the vehicle in front
D、Sound the horn continuously to warn the other driver
Answer：C
5、When rescuing the persons who are losing blood, it is necessary to ______ first.
A、Observe
B、Dress the wounds
C、Stop bleeding
D、Inquire
Answer：C
6、When a motorcycle goes down a long slope, it should run at a lower gear and fully use the engine to brake.
A、Right
B、Wrong
Answer：A
7、What is the meaning of this sign?
A、Slippery section
B、Sharp curve
C、Inverse curve
D、Continuous curves
Answer：D
8、What is the meaning of this sign?
A、Steep downhill road
B、Continuous up slopes
C、Steep uphill road
D、Embankment road
Answer：C
9、What is the meaning of this sign?
A、Going straight and left turn
B、Going straight and right turn
C、No going straight and no right turn
D、Left turn and right turn only
Answer：B
10、When passing an intersection, vehicle motor drivers are not allowed to overtake.
A、Right
B、Wrong
Answer：A
11、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
12、The first-aid measure to rescue a poisoned person is to _______.
A、Take warming-up measures
B、Bring him to a place where air is fresh
C、Give him artificial respiration
D、Depress the heart over the chest
Answer：B
13、When the wounded person is suffering main artery bleeding, where should the rescue personnel press by thumb to stop the bleeding?
A、The artery near the heart
B、The artery lower to the wound
C、The artery further from the heart
D、The artery in the center of the wound
Answer：A
14、While driving a motorcycle, nothing is permitted to hang on the handlebars.
A、Right
B、Wrong
Answer：A
15、What are the driving behaviors that cause accidents when a motor vehicle turns to a turning road?
A、Vehicles occupy opposite lanes
B、Turn the steering wheel sharply in the bend
C、Do not slow down before turning
D、Motor vehicles drive on the right side of the road
Answer：ABC
16、Which of the following can effectively avoid driving fatigue
A、Take a proper rest after dinner before driving.
B、Driving continuously for no more than 4 hours
C、Keep a Good Sleep
D、Do npt eat too much
Answer：ABCD
17、May speed up to go through the crosswalk when no one is near it
A、Right
B、Wrong
Answer：B
18、When rescuing the injured, it is necessary to ________.
A、Save life first and treat the wounds later
B、Treat the wounds first and safe life later
C、Help the slightly wounded persons first
D、Help the seriously wounded persons later
Answer：A
19、What is the meaning of this sign?
A、Customs inspection
B、Stop-for-inspection
C、Frontier inspection
D、No passing
Answer：B
20、The traffic police may detain the motorcycle if its driver has falsified the license plate and vehicle license.
A、Right
B、Wrong
Answer：A
21、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
22、After a traffic accident, what is the most effective measure to prevent secondary accidents?
A、Evacuate all passengers
B、Turn on the hazard lamps
C、Mark the original place of the injured persons
D、Properly place the danger warning sign
Answer：ABD
23、Drivers should wear shoes or boots, which have heels and not skid soles, to ensure the acute, accurate, and reliable gear-shifting by feet.
A、Right
B、Wrong
Answer：A
24、What should be checked before driving?
A、No parts need to be checked
B、Whether the tires have been cleaned
C、Where the spare tire is placed
D、The fastening and air pressure of tires
Answer：D
25、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