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29. Which of the following is an inflammable solid material?
A. Matches
B. Fireworks
C. Calcium carbide
D. Explosives
Answer：A
Previous question: 28. Matches, sulfur and red phosphorus are _________.
Next question: 30. Once inflammable gas causes a fire disaster, it should be put out with water in good time.
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?
- Which of the following is a bad habit when changing lanes?
- What is the meaning of this sign?
- Which of the following method is correct to rescue an unconscious person?
- When a motor vehicle stops in snow, which lamp should be turned on?
- What is the meaning of this sign?
- When encountering a vehicle in front ascending on a mountainous road covered with ice and snow, what should the motor vehicle driver do?
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?
- 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 bleeding at the bone fracture of a wounded person, the first thing to do is to keep it in position before stopping the bleeding and dress the wound.
- Rescue personnel should check the breath of the unconscious person before applying any other emergency treatment.
- When a wounded person suffering burns is thirsty, he should only drink plain boiled water.
- What is the meaning of this sign?
- Which one of the following measures is correct when a motor vehicle intends to overtake but the vehicle infront refuses to yield?