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、The main reason for this accident is that the pedestrian crossed the street in front of the motor vehicle.
A、Right
B、Wrong
Answer：B
3、As shown in this picture, the vehicles intending to turn left are not allowed to drive into left-turn waiting area directly to wait for green light.
A、Right
B、Wrong
Answer：B
4、Before a motor vehicle enters a tunnel, the driver should adjust the speed in accordance with the indication of the traffic sign at the entrance of the tunnel.
A、Right
B、Wrong
Answer：A
5、When a vehicle encounters a strong side wind, the driver should firmly hold the steering wheel and press the brake urgently if he feels the vehicle deviates horizontally from the normal direction.
A、Right
B、Wrong
Answer：B
6、What should the driver do when the motor vehicle passes the level crossing?
A、Change to neutral gear and slide over
B、Stop, look and pass
C、Speed up, look and pass rapidly
D、Slow down, look and pass slowly
Answer：B
7、What should a driver do before entering a tunnel on an expressway
A、Turn on the high-beam
B、Turn on the width lamp and the tail lamp
C、Turn on the low-beam
D、Sound the horn before entering the tunnel
Answer：C
8、What should be done by the driver who intends to overtake but the motor vehicle in front neither reduces its speed nor allows the right of way?
A、Continuously sounding the horn and accelerating to overtake
B、Accelerating and continuing to overtake
C、Refraining from overtaking
D、Following the vehicle in front closely and finding a chance to overtake
Answer：C
9、Motor vehicles are prohibited from driving straight or turning left in this situation.
A、Right
B、Wrong
Answer：A
10、What should motor vehicle drivers do when parking temporarily on a rainy day?
A、Turn on hazard lamp
B、Turn on front and back fog lamp
C、Turn on low-beam
D、Set up warning sign at the back of the vehicle
Answer：A
11、When a motor vehicle temporarily stops in fog, which lamp should be turned on?
A、Hazard lamp, clearance lamp and rear position lamp
B、Left-turn indicator, clearance lamp and rear position amp
C、Headlamp, clearance lamp and rear position lamp
D、Reverse lamp, clearance lamp and rear position lamp
Answer：A
12、The road marker on the right side indicates that drivers may overtake by borrowing this road.
A、Right
B、Wrong
Answer：B
13、The sign on the right warns of an unguarded railway crossing 150 meters ahead.
A、Right
B、Wrong
Answer：A
14、What should the driver do if he/she wants to turn left at this intersection?
A、Turn left along the straight-going lane
B、Enter the left turn waiting area
C、Enter the straight-moving waiting area
D、Turn left along the left lane
Answer：B
15、For a temporary stop on a foggy day, the driver should only turn on the fog lamp and the low-beam
A、Right
B、Wrong
Answer：B
16、When a tire bursts suddenly on the road, the driver should refrain from violently depressing the brake pedal in panic. Instead, he/she should try his/her best to change to a low gear and use engine braking to reduce the speed of the vehicle.
A、Right
B、Wrong
Answer：A
17、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
18、If a driver finds there is no vehicle behind, he/she may change lanes without turning on the indicator.
A、Right
B、Wrong
Answer：B
19、When fixing the unexposed bones in position, it is necessary to exceed the upper and lower joints of the wounded body part.
A、Right
B、Wrong
Answer：A
20、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
21、When a tire suddenly bursts on the road, the driver should violently depress the brake pedal to reduce speed and stop the vehicle.
A、Right
B、Wrong
Answer：B
22、When following other vehicles on a foggy day, what should the driver do?
A、Maintain a large safety distance
B、Turn on the high-beam
C、Turn on the low-bea
D、Sound the horn in due time
Answer：A
23、The sign on the right indicates that the speed limit is 50km/hour.
A、Right
B、Wrong
Answer：B
24、In which of the following ways can motor vehicles avoid a tire burst?
A、Lowering tire pressure
B、Checking tires regularly
C、Removing foreign matters from the tire tread grooves timely
D、Replacing the tires that have cracks or deep cuts
Answer：BCD
25、The driver should turn on the left-turn indicator after entering the acceleration lane on an expressway.
A、Right
B、Wrong
Answer：B