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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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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
- What is the meaning of this sign?
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- What should be done by the driver who intends to overtake but finds that the vehicle in front is also overtaking?
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- When rescuing the persons who are losing blood, it is necessary to ______ first.
- When driving on road sections where safe sight distance is affected, such as the top of a ramp, what should drivers do to ensure safety?
- When rescuing a wounded person suffering from bone fracture, which of the following should be kept in mind?
- When putting out a fire disaster that gives out erosive steam or poisonous gas, the firefighters should wear gas masks and other related protective articles and should operate from the windward side.
- When driving on a long downhill road, which is the best way to control driving speed?
- What is the meaning of this sign?
- Which of the following measures is correct for rescuing a person sustaining full-body burns?
- What is the meaning of this sign?
- What is the meaning of this sign?