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49. What is the meaning of this sign?
A. Slippery section
B. Sharp curve
C. Inverse curve
D. Continuous curves
Answer：D
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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：
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科目四试题
- What is the meaning of this sign?
- Which of the following measures is incorrect when a motor vehicle stops?
- When approaching another vehicle at night, why should the driver alternate between high-and-low-beam at a distance more than 150 meters?
- What is the meaning of this sign?
- What is the meaning of this sign?
- What needs attention when a motor vehicle drives on a road covered with ice and snow?
- What should be checked before driving?
- When removing a wounded person suffering spinal fracture, the rescuer should never help the wounded person to walk. He may be carried away with a soft stretcher.
- How should a motor vehicle follow the other vehicle In front when driving on a road covered with ice and snow?
- When the wounded person is suffering main artery bleeding, where should the rescue personnel press by thumb to stop the bleeding?
- How to reduce speed or stop when driving on a road covered with snow and ice?
- When rescuers enter the scene to rescue the wounded after harmful gas leakage caused by traffic accidents, they must wear air respirators or cover their mouth and nose with wet towels.
- When there is no bandage for rescuing a wounded person, which of the following measures is wrong?
- How should lamps be used when a motor vehicle meets an oncoming bicycle on a narrow road or a narrow bridge at night?
- When a wounded person is under the wheel or cargo, the wrong method is to pull the limbs of the wounded.
- When there is bleeding at the bone fracture of a wounded person, the first thing to do is to fix the wounded part in position, then stop the bleeding and dress the wound.