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51. What is the meaning of this sign?
A. Embankment road
B. Steep uphill road
C. Continuous up slopes
D. Steep downhill road
Answer：D
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2025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 2025 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
- Which of the following is a bad habit when changing lanes?
- When a wounded person is under the wheel or cargo, the wrong method is to pull the limbs of the wounded.
- Which of the following is an inflammable solid material?
- When the tire pressure is too low, what will happen if the tire changes its shape in waves and increases in temperature due to fast movement?
- When a wounded person suffering burns is thirsty, he should only drink plain boiled water.
- What is the meaning of this sign?
- What is the meaning of this sign?
- When a motor vehicle encounters a burning phenomenon, it should leave the vehicle quickly so as not to cause injury or asphyxia to the respiratory tract.
- Which of the following measures is correct for rescuing a person sustaining full-body burns?
- What is the meaning of this sign?
- When approaching a vehicle on a narrow slope, which one of the following ways is correct?
- What is the most frequent problem for driving on a muddy road?
- What is the meaning of this sign?
- When two vehicles approach each other on a foggy day, what is the best method of safe driving?
- What is the meaning of this sign?
- When a wounded person suffering burns is thirsty, he may drink a small quantity of slightly salty water.