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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 there is no bondage for rescuing a wounded person, towels, handkerchiefs, bed sheets and stockings can be used for dressing.
- What is the meaning of this sign?
- When carrying the wounded persons in coma or in danger of suffocation, they should lie face up.
- When rescuing a person sustaining full-body burns the rescue personnel may spray cool water to his body to put out the fire.
- What is the meaning of this sign?
- What is the meaning of this sign?
- How should lamps be used when motor vehicle drivers pass through a two-way tunnel?
- Rescue personnel should check the breath of the unconscious person before applying any other emergency treatment.
- What is the meaning of this sign?
- What is the meaning of this sign?
- When a wounded person suffering burns is thirsty, he should only drink plain boiled water.
- What is the meaning of this sign?
- At the scene of a traffic accident, once there is a leakage of toxic and harmful substances, people must be evacuated at the first time and alarmed immediately.
- How should a motor vehicle follow the other vehicle In front when driving on a road covered with ice and snow?
- When rescuing a wounded person who has been poisoned by toxic gas, the first measure is to send him/her to a place with fresh air so that he/she will not continue to be poisoned.
- When a wounded person is under the wheel or cargo, the wrong method is to pull the limbs of the wounded.