保山科目四英语书
1、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
2、When driving on an expressway in rain, the driver should slow down to avoid steering failure arising from water slide
A. Right
B. Wrong
Answer：A
3、On which of the following roads may the wheels be most easily locked when braking?
A. Concrete road
B. Dirt road
C. Road covered by ice and snow
D. Sand road
Answer：C
4、Motor vehicles should accelerate when driving into an intersection with this traffic signal.
A. Right
B. Wrong
Answer：B
5、After a motor vehicle falls into water, the driver won?ˉt be able to open the side doors or windows to escape until water nearly fills up the compartment.
A. Right
B. Wrong
Answer：A
6、In such circumstances, which one of the following statements is the safest measure for a motor vehicle driver to take?
A. Accelerate to overtake the vehicle in front as soon as possible
B. Voluntarily reduce speed and refrain from overtaking
C. Sound the horn to warn the vehicle in front to yield
D. Turn on the headlamp to warn the oncoming vehicle to yield
Answer：B
7、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
8、In this driving condition, drivers should turn on the high-beam when setting off.
A. Right
B. Wrong
Answer：B
9、What should the driver do when the motor vehicle encounters this situation in a residential area?
A. Stop immediately
B. Speed up and pass rapidly
C. Sound the horn continuously
D. Slow down and pass slowly
Answer：A
10、When a wounded person suffering bone fracture in the thigh, shank or spine, moving the wounded person is usually prohibited.
A. Right
B. Wrong
Answer：A
11、The driver should turn left by the left side of the intersection central point.
A. Right
B. Wrong
Answer：A
12、If the road condition behind is good, motor vehicle drivers should reverse rapidly.
A. Right
B. Wrong
Answer：B
13、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
14、A motor vehicle may stop and yield if it encounters any problem when changing to the driving lane from an acceleration lane.
A. Right
B. Wrong
Answer：B
15、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
16、When driving in thick or extremely thick fog, what should the driver do due to the low visibility in such weather?
A. Turn on the headlamp and drive slowly
B. Turn on the fog lamp and drive slowly
C. Park in a safe place
D. Drive slowly close to the roadside
Answer：C
17、The sign in front indicates a one-kilometer distance from the next left exit.
A. Right
B. Wrong
Answer：B
18、The guide arrow on the road surface of this lane indicates that only left turns are permitted at the intersection ahead.
A. Right
B. Wrong
Answer：B
19、What is the most frequent problem for driving on a muddy road?
A. High resistance force
B. Sideways slide
C. The motor vehicle bumps
D. Steering failure
Answer：B
20、When the motor vehicle stops on a downhill section how should the driver use the foot brake?
A. Earlier than on a level road
B. Later than on a level road
C. As timely as on a level road
D. Gently depress the foot brake pedal
Answer：A