保山科目四英语书
1、The sign on the right indicates a 200-meter distance from the gas station ahead.
A. Right
B. Wrong
Answer：A
2、What is the function of ABS during emergency braking?
A. Shortening the braking distance
B. Keeping steering capacity of the motor vehicle
C. Relief the braking inertia
D. Controlling directions automatically
Answer：B
3、When braking failure happens to a fast-moving motor vehicle, what should be done by the driver to brake?
A. Continuously depressing the brake pedal
B. Immediately changing to a low gear to reduce speed and using the handbrake
C. Swiftly depressing the clutch pedal
D. Swiftly pulling up the handbrake
Answer：B
4、When there is a sudden braking failure on the road, what should be done by the driver?
A. Firmly holding the steering wheel and controlling the direction
B. Immediately changing to a low gear to reduce speed
C. Using the stopping brake to reduce speed
D. Turning on the hazard lamps
Answer：ABCD
5、When approaching motor vehicles ahead running at a normal speed on the highway, drivers behind may find a chance and weave through them swiftly.
A. Right
B. Wrong
Answer：B
6、If a motor vehicle breaks down or causes a traffic accident on the expressway and cannot run normally the vehicle may be towed by any accompanying motor vehicles.
A. Right
B. Wrong
Answer：B
7、When a motor vehicle reaches a muddy or burst-and-muddy section of the road, the driver should stop, observe and select a level and solid section or a section with vehicle tracks.
A. Right
B. Wrong
Answer：A
8、The driver should turn left by the left side of the intersection central point.
A. Right
B. Wrong
Answer：A
9、Which of the following is an inflammable solid material?
A. Matches
B. Gun powder
C. Calcium carbide
D. Explosives
Answer：A
10、When evading an emergency, except for being calm, what principle should be held by drivers?
A. Evading people first and then objects
B. Evading objects first and then vehicles
C. Evading vehicles first and then people
D. Evading objects first and then people
Answer：A
11、When driving on a muddy road, what should the driver do?
A. Try to avoid using the foot brake
B. Drive slowly in mid or low gear
C. Firmly hold the steering wheel
D. Speed up and pass through
Answer：ABC
12、When parking for a long time on a downward slope due to breakdown on the road, drivers should use this method to stop up wheels.
A. Right
B. Wrong
Answer：A
13、When a motor vehicle accidentally hits the guardrail of the highway, what should be done by the driver in order to keep safe?
A. Firmly holding and properly adjusting the steering wheel
B. Turning swiftly to the opposite direction
C. Immediately applying emergency braking
D. Immediately steering to the collision side
Answer：A
14、When a motor vehicle turns at an excessively high speed, it can easily slide sideways.
A. Right
B. Wrong
Answer：A
15、Motor vehicle drivers are allowed to make a U-turn at this intersection.
A. Right
B. Wrong
Answer：B
16、The guide line of a changeable lane indicates that drivers can choose their direction at will.
A. Right
B. Wrong
Answer：B
17、What action is important on this kind of mountain road?
A. Take care of the dangerous hillside road on the left
B. Drive on the left
C. Drive along the central line of the road
D. Drive on the right side and pass slowly
Answer：D
18、Under such circumstances, what should motor vehicle drivers do?
A. Follow the vehicle closely
B. Overtake the vehicle quickly on its left
C. Keep a long braking distance
D. Overtake the vehicle quickly on its right
Answer：C
19、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
20、Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
A. Right
B. Wrong
Answer：A