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28. Matches, sulfur and red phosphorus are _________.
A. Explosives
B. Inflammable solid materials
C. Self-igniting articles
D. Oxidizing materials
Answer：B
Previous question: 27. Gun powder, explosives and detonating powder belong to which of the following dangerous chemicals?
Next question: 29. Which of the following is an inflammable solid material?
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?
- When an erosive material catches fire, it should not be put out with water cannon.
- What influence does smoking have upon driving?
- What is the meaning of this sign?
- How should lamps be used when a motor vehicle meets an oncoming bicycle on a narrow road or a narrow bridge at night?
- How to ensure motor vehicles have sufficient power when driving uphill?
- When rescuing the persons who are losing blood, it is necessary to ______ first.
- What should be checked before driving?
- How to reduce speed or stop when driving on a road covered with snow and ice?
- When rescuing a wounded person in an emergency, it is necessary to firstly stop the bleeding by compression before other methods are taken according to the conditions of bleeding.
- When there is no bondage for rescuing a wounded person, towels, handkerchiefs, bed sheets and stockings can be used for dressing.
- Once inflammable gas causes a fire disaster, it should be put out with water in good time.
- What is the meaning of this sign?
- What is the meaning of this sign?
- When the tire pressure is too low, what can happen when driving at a high speed?
- When following other vehicles on a foggy day, what should the driver do?