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52. What is the meaning of this sign?
A. Continuous down slopes
B. Steep downhill road
C. Steep uphill road
D. Continuous up slopes
Answer：A
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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
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?
- When driving on a long downhill road, which is the best way to control the speed?
- What should motor vehicle drivers do when approaching an oncoming vehicle on a frozen road?
- Which of the following is a bad habit when changing lanes?
- What is the meaning of this sign?
- How to ensure safe driving at night?
- 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?
- The wrong method to rescue a poisoned person in a traffic accident is to ______.
- What is the most frequent problem for driving on a muddy road?
- What is the meaning of this sign?
- What should be checked before driving?
- 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.