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146. 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
Previous question: 145. When two vehicles approach each other on a foggy day, what is the best method of safe driving?
Next question: 147. When a motor vehicle passes over an overflowing bridge, what should the driver do after stopping and observing closely?
2026年摩托车科目四英文版题库共345题，你可以免费查看前50题，完整版题库请添加微信购买：
The English version of the 2026 motorcycle subject 4 question bank has a total of 345 questions. You can view the top 50 questions for free. Please add WeChat to purchase the complete version of the question bank.
科目四试题
- What is the meaning of this sign?
- What is the meaning of this sign?
- When using splints, sticks or tree branches to keep the unexposed bones in position, it is necessary that these things should exceed the upper and lower joints of the wound.
- When there is no bondage for rescuing a wounded person, towels, handkerchiefs, bed sheets and stockings can be used for dressing.
- When there is bleeding at the bone fracture of a wounded person, the first thing to do is to keep it in position before stopping the bleeding and dress the wound.
- When following other vehicles on a foggy day, what should the driver do?
- The first-aid measure to rescue a poisoned person is to _______.
- How will the adhesive force of road change when speed increases on a damp and slippery road?
- When driving on a long downhill road, which is the best way to control driving speed?
- Which of the following measures is correct for rescuing a person sustaining full-body burns?
- What is the meaning of this sign?
- When driving on road sections where safe sight distance is affected, such as the top of a ramp, what should drivers do to ensure safety?
- What is the meaning of this sign?
- When carrying the wounded persons in coma or in danger of suffocation, they should lie face up.
- What is the meaning of this sign?
- Which lamp should be turned on when motor vehicles pass through a road section at night where the street light condition is good?