Title: National defense and civil air defense, building a safety wall together.

Lead: National defense is an important guarantee of national security, and civil air defense is an important part of national defense. We should enhance our national defense awareness, learn national defense knowledge and jointly safeguard the security of the motherland.

Part I: Key points of national defense knowledge.

1. national defense: an important guarantee of national security, including military defense and civil air defense.

2. Civil air defense: an important part of national defense refers to people's participation in national defense construction and security protection activities.

3. People's air defense awareness: refers to people's attention and understanding of national defense and security, which is an important foundation for a strong country.

Part II: The importance of national defense and civil air defense.

1. The importance of national defense: protecting national sovereignty and security, maintaining social stability and prosperity, and realizing national rejuvenation.

2. Importance of civil air defense: People are the masters of the country, and participating in national defense construction can enhance people's sense of national identity and responsibility.

3. Functions of civil air defense: to prevent and respond to various security threats and protect people's lives and property.

Part III: How to enhance the awareness of national defense and civil air defense.

1. Learn national defense knowledge: understand the security situation at home and abroad, learn national defense policy and military science and technology knowledge, and improve national defense quality.

2. Actively participate in national defense construction: participate in military training, national defense education and volunteer activities to improve national defense capabilities.

3. Protect home safety: strengthen personal and family safety awareness and do a good job in fire prevention, theft prevention and disaster prevention.

4. Civic obligations: Abide by national laws and regulations, actively publicize national defense knowledge, and convey love and loyalty to the country with your own actions.

Conclusion: National security is everyone's common responsibility. We should enhance the awareness of national defense and civil air defense, improve the quality of national defense, and jointly build an indestructible security wall to contribute to the prosperity and stability of the country.

Knowledge expansion

Handwritten newspaper refers to a newspaper that publishes news information manually in paper form in the development of journalism. It is the prototype of newspaper, also known as handwritten news. In the Tang Dynasty in China, there was a handwritten newspaper with local officials as the main target, which was presided over by Beijing's "Dibao" and was called "Dibao" in history.