红河英文科目四试题答案
1、It is safest for a motor vehicle driver to overtake the vehicle in front from its righthand on this kind of road.
A. Right
B. Wrong
Answer：B
2、The sign on the right warns of low-lying road ahead.
A. Right
B. Wrong
Answer：A
3、Two parallel broken double-yellow lines indicate the position of a diversion lane.
A. Right
B. Wrong
Answer：A
4、As shown in this picture, the intersection guide line is designed to help drivers make turns.
A. Right
B. Wrong
Answer：A
5、The guide line of a changeable lane indicates that drivers can choose their direction at will.
A. Right
B. Wrong
Answer：B
6、The sign on the right side warns of an emergency lane 500 meters ahead.
A. Right
B. Wrong
Answer：A
7、Having driven his vehicle at 110km/hour on an urban road, Mr. Lin is trying to leave the scene after a rear-end collision but is held back by bystanders. The alcohol concentration in his blood, tested in an alcohol test by the traffic police, is 135.8mg per hundred milliliters. Which of the following law-breaking acts did Mr. Lin commit?
A. Drunk driving
B. Speeding
C. Fatigued driving
D. Hit-and-run driving
Answer：ABD
8、This sign indicates the traffic broadcast and radio television channel of highway.
A. Right
B. Wrong
Answer：B
9、This sign warns of an intersection of railways and highways ahead.
A. Right
B. Wrong
Answer：A
10、When a tire bursts suddenly on the road, the driver should refrain from violently depressing the brake pedal in panic. Instead, he should try his best to change to a low gear and use engine braking to reduce the speed of the vehicle.
A. Right
B. Wrong
Answer：A
11、When the motor vehicle stops on an uphill 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. Strongly depress the foot brake pedal
Answer：B
12、The road marking on the right lane indicates that drivers may temporarily borrow the special lane for buses.
A. Right
B. Wrong
Answer：B
13、What kind of harmful effect will be brought about by continuously using the foot brake on a long downhill road?
A. Shorten the engine?ˉs service life
B. Make the driver feel tired
C. Easily cause the vehicle to overturn
D. Reduce the braking efficiency
Answer：D
14、When there is a sudden braking failure on a downhill road, in which ones of the following ways can drivers reduce speed?
A. Driving onto the emergency lane and reduce speed and stop there
B. Rubbing the vehicle body against the rocks or trees on roadside
C. Pulling up the handbrake first
D. Immediately changing to a low gear
Answer：ABD
15、The sign on the right side indicates no entry for all vehicles.
A. Right
B. Wrong
Answer：A
16、What influence does smoking have upon driving?
A. Harmful for safe driving
B. Increase concentration
C. Help relaxation
D. No effect on driving
Answer：A
17、How will the adhesive force of road change when speed increases on a damp and slippery road?
A. Increase sharply
B. Increase gradually
C. decrease sharply
D. No change
Answer：C
18、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
19、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
20、How many kinds of law-breaking acts are displayed in flash 4?
A. One
B. Two
C. Three
D. Four
Answer：C