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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
- When carrying the wounded persons in coma or in danger of suffocation, they should lie face up.
- What is the meaning of this sign?
- When an erosive material catches fire, it should not be put out with water cannon.
- When putting out a fire disaster that gives out erosive steam or poisonous gas, the firefighters should wear gas masks and other related protective articles and should operate from the windward side.
- What is the main impact of foggy weather on safe driving?
- When rescuing a person sustaining full-body burns the rescue personnel may spray cool water to his body to put out the fire.
- 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 a gas tanker is leaking heavily, which of the following measures is wrong?
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?
- How should lamps be used when a motor vehicle meets an oncoming bicycle on a narrow road or a narrow bridge at night?
- What is the meaning of this sign?
- What should motor vehicle drivers do when approaching an oncoming vehicle on a frozen road?
- What is the meaning of this sign?