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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.
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 should motor vehicle drivers do when parking temporarily on a rainy day?
- What is the meaning of this sign?
- When there is no bandage for rescuing a wounded person, which of the following measures is wrong?
- 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 two vehicles approach each other on a foggy day, what is the best method of safe driving?
- What kind of harmful effect will be brought about by continuously using the foot brake on a long downhill road?
- 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?
- What is the meaning of this sign?
- 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.
- What should the driver do when he/she encounters an oncoming ambulance in the same lane?
- Gun powder, explosives and detonating powder belong to which of the following dangerous chemicals?
- How should lamps be used by the motor vehicle driver who follows a vehicle on a road section at night where he street light condition is good?
- What is the meaning of this sign?