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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
- The first-aid measure to rescue a poisoned person is to _______.
- What is the meaning of this sign?
- When approaching another vehicle at night, why should the driver alternate between high-and-low-beam at a distance more than 150 meters?
- When a motor vehicle passes over an overflowing bridge, what should the driver do after stopping and observing closely?
- What is the meaning of this sign?
- What is the meaning of this sign?
- How should a motor vehicle follow the other vehicle In front when driving on a road covered with ice and snow?
- What needs attention when a motor vehicle drives on a road covered with ice and snow?
- What is the meaning of this sign?
- When there is no bondage for rescuing a wounded person, towels, handkerchiefs, bed sheets and stockings can be used for dressing.
- When a motor vehicle encounters an accident, the driver should pay attention to whether there is fuel leakage, pipeline rupture, so as avoid accidents.
- 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.
- What is the meaning of this sign?
- When discovering animals crossing the expressway on the highway, the driver should not drastically turn to evade.
- When the wounded person is suffering main artery bleeding, where should the rescue personnel press by thumb to stop the bleeding?