1、Mr Peng drove a heavy semi-trailer tractor with 37.7 tons of cargo(capacity 25 tons). When descending a slope on the Daguang Expressway, the tractor had a rear-end collision with Mr. Li's heavy dump truck ( carrying 3.17 cubes of loess and 24 passengers in the container)occupying the emergency lane. As a result of this accident, 16 people were killed and 13 injured What are the main illegal acts in this case?
A、Mr Peng exceeded the speed limit
B、Mr. Peng's tractor carried more cargo than limited
C、Mr Li illegally drove in the emergency lane
D、Mr. Li's truck illegally carried passengers in the container
Answer：BCD
2、Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
A、Right
B、Wrong
Answer：A
3、In rain, the most effective way to avoid the danger arising from "water slide" is to drive at high speed
A、Right
B、Wrong
Answer：B
4、How should a motor vehicle follow the other vehicle In front when driving on a road covered with ice and snow?
A、Keep a long safe distance
B、Turn on hazard lamp
C、Change between high-and-low beam alternatively
D、Sound the horn in due time to give a notice to the vehicle in front
Answer：A
5、When a head-on collision with another vehicle is unavoidable, what should the driver do?
A、Change head-on collision to side collision
B、Immediately turn the steering wheel to the right side to evade
C、Immediately apply emergency braking
D、Immediately turn the steering wheel to the left side to evade
Answer：C
6、The sign on the right side warns of crosswind on the mountain pass ahead.
A、Right
B、Wrong
Answer：A
7、vehicles may stop temporarily in this area.
A、Right
B、Wrong
Answer：B
8、The sign on the right warns of a guarded crossing 150 meters ahead.
A、Right
B、Wrong
Answer：B
9、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
10、The sign on the right indicates an emergency shield 100 meters ahead.
A、Right
B、Wrong
Answer：A
11、When a motor vehicle catches fire, the driver should te to park the vehicle in an open place far away from urban areas, buildings, trees, other motor vehicles and flammable materials.
A、Right
B、Wrong
Answer：A
12、When driving onto the left lane, motor vehicle drivers are allowed to make a U-turn.
A、Right
B、Wrong
Answer：A
13、Drivers may temporarily cross these central broken and solid yellow lines when overtaking.
A、Right
B、Wrong
Answer：A
14、What should the driver do when the motor vehicle encounters this situation?
A、Overtake immediatel
B、Sound the horn continuously to warn
C、Maintain safety distance and overtake
D、Sound horn and speed up to overtake
Answer：C
15、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
16、When braking, the steering will become impossible if the front wheels are blocked
A、Right
B、Wrong
Answer：A
17、Under this circumstance, motor vehicle drivers should not reduce speed.
A、Right
B、Wrong
Answer：B
18、The cross-hatched marking indicates an area where vehicle drivers are allowed to stop and wait.
A、Right
B、Wrong
Answer：B
19、The main impact of muddy roads on safe driving is that the wheels may easily spin and skid
A、Right
B、Wrong
Answer：A
20、Under such circumstances, motor vehicle drivers lould follow the vehicle in front and drive into the Intersection to wait.
A、Right
B、Wrong
Answer：B