凉山州英语科目四
1、Once inflammable gas causes a fire disaster, it should be put out with water in good time.
A. Right
B. Wrong
Answer：B
2、This sign warns to bypass from the left side to avoid the roadblock.
A. Right
B. Wrong
Answer：B
3、When carrying a wounded person in a coma, rescue personnel should try to let the unconscious person remain in the supine position.
A. Right
B. Wrong
Answer：B
4、When there is a braking failure, the driver should first control the direction and then try to control the speed.
A. Right
B. Wrong
Answer：A
5、When encountering such a situation, the motor vehicle driver should change to the left lane rapidly.
A. Right
B. Wrong
Answer：B
6、When encountering a road like this, motor vehicle drivers may make good use of neutral gear to coast.
A. Right
B. Wrong
Answer：B
7、Matches, sulfur and red phosphorus belong to which of the following dangerous chemicals?
A. Explosives
B. Oxidizing materials
C. Self-igniting articles
D. Inflammable solid materials
Answer：D
8、Drivers may cross these central solid and broken yellow lines when overtaking.
A. Right
B. Wrong
Answer：B
9、At this intersection, motor vehicle drivers may directly make a U-turn along the U-turn turning lane.
A. Right
B. Wrong
Answer：B
10、The driver should turn left by the left side of the intersection central point.
A. Right
B. Wrong
Answer：A
11、The distance-ascertaining section of an expressway is used for the drivers to ascertain the safety distance when the speed is 100 kilometers per hour.
A. Right
B. Wrong
Answer：A
12、When a motor vehicle accidentally hits the guardrail of a highway, an effective protective measure is to turn dramatically in the opposite direction.
A. Right
B. Wrong
Answer：B
13、The sign on the right side warns of crosswind on the mountain pass ahead.
A. Right
B. Wrong
Answer：A
14、The sign on the right warns of an uneven road ahead.
A. Right
B. Wrong
Answer：A
15、Sideslip happens most easily on which one of the following road surfaces?
A. Dry concrete road
B. Road surface at the beginning of rain
C. Damp concrete road surface
D. Road in heavy rain
Answer：B
16、When extinguishing a fire, the driver should refrain from breathing through mouth or crying loudly Otherwise, the fire and smoke will scorch the upper respiratory tract.
A. Right
B. Wrong
Answer：A
17、The sign on the left indicates vehicles are allowed to drive on the section ahead.
A. Right
B. Wrong
Answer：B
18、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
19、When driving on an expressway, where should the driver park?
A. The service area
B. The acceleration lane
C. The deceleration lane
D. On the ramp
Answer：A
20、Under such circumstances, the motor vehicle is allowed to overtake.
A. Right
B. Wrong
Answer：B