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English civil defense is the first to mobilize and organize the masses to take air raids, disaster relief measures, rescue operations, prevention and mitigation of disaster hazards.

First of all, civil air defense can effectively preserve the country's economic potential. The focus of China's civil air defense is on the large and medium-sized cities in the country's political and economic centers, and the important transportation, telecommunications, electric power, water conservancy, warehouses, and other facilities in these cities are the pillars of the national economy. Strengthening the building of civil air defense and closely organizing protection will undoubtedly play an important role in enhancing the survivability of these targets.

Although it is difficult to thoroughly guard against high-tech air raids, it is still possible to control the losses of air raids to a certain extent through rational dispersed layouts, as much underground as possible, strict camouflage protection, and active organization of rescue and emergency repairs.

Second, civil air defense can effectively preserve human resources and stabilize people's morale. Human resources are an important part of the war potential and the source of maintaining the war capability. China's civil air defense takes the protection of the people's lives and property as an important task, stresses the need to enhance the air defense awareness and protection skills of the whole people through civil air defense education and training, pays attention to the construction of personnel protection projects of appropriate scale and areas for population evacuation, and strives for rapid treatment in wartime.

Civil air defense can stabilize the morale of the people. Once a high-tech air raid occurs, a large number of buildings will be destroyed, the living environment of the residents will deteriorate, and their lives and property will be seriously threatened. In this regard, only through civil air defense education in peacetime, extensive and in-depth mobilization of civil air defense in wartime, and effective civil air defense measures can the broad masses be psychologically prepared and enhance their confidence in protection, so that they can deal with chaos without panic and always maintain a strong fighting spirit.

Thirdly, civil air defense has multiple roles in urban construction. Cities are the carriers of civil air defense construction. Strengthening civil air defense construction can meet the needs of wartime, enhance the ability to resist earthquakes and damage, and reduce the degree of damage caused by various disasters and accidents, which is the need to build a safe city.

Reflecting on the tragedy of a large number of people due to the collapse of houses in Wenchuan, it also illustrates the necessity and urgency of implementing civil air defense requirements in urban construction from the perspective of building safety. Civil air defense construction plays a unique role in improving the efficiency of urban land use, alleviating the density of urban centers, promoting the three-dimensional diversion of people and vehicles, expanding the capacity of infrastructure installations, reducing environmental pollution, improving urban ecology, and improving urban functions.

That's me.

I walked up to the mirror and looked at him in the mirror. I laughed, and he laughed; I cried, and he cried. I beckoned to him, and he said to me

Hello, my name is Guo Xin, my parents hope that our motherland will be prosperous, and they also wish me a healthy growth, so they gave me the warm name 'Xin', but I will be happier if you call me 'Xinxin'. I also said to the person in the mirror, "Hello, I am thirteen years old, not very tall, with short hair, pale eyebrows, wearing a pair of Sven glasses, and I am a shy little boy.

Alas! Actually, I'm not shy sometimes, but if I'm in a good mood, I'll play with my classmates after class. If I'm in a bad mood, no one will dare to mess with me. My biggest trait is that I am overly modest. When I was a child, my mother asked me how I did in my exams, and I opened my mouth to come

It's burnt, it's terrible. "When I took the violin grade 4 exam, I also said that I guess I won't be able to pass. Even if I can get into the key class in middle school, I don't know ......While it's good to be humble, it's too humble to be like me.

I've tried to fix this "trait" of mine many times, but it seems to have become a habit to blurt it out often. I also like to work, and I do all the work at home, and I think that work is also a kind of joy.

When I was a child, I was very bold, I dared to go where others were afraid to go, and I dared to do things that others did not dare to do. But after I watched a lot of ghost movies last summer, my courage gradually became smaller, and I didn't dare to be home alone. I remember one time when a fly in my house scared me to tears.

I don't like to make too many friends, unlike other people, who make friends with cats and dogs. I'm very demanding to make friends!

You must study well, have good moral character, have good hygiene, and look good. So, my friends are all elite among their peers. I cherish the time I spend with them and never have a conflict with them. They also value me as a partner.

My hobbies are playing the violin and swimming. I think it's only in the water that people can fully stretch and reveal their beautiful posture. **, like learning, is an unfathomable field.

It represents nobility, elegance and sacredness in my mind, and I like it, so I decided to learn the violin, an indispensable ———instrument for the orchestra.

I left the mirror and he was gone.

This is me, a shy middle school student who loves **.

Safety precautions.

Fires are terrible disasters. A fire often causes the tragedy of a broken family and the death of a person. However, this fire often occurs in the case of people's lack of fire awareness, which shows that it is very necessary to understand fire protection knowledge and is the key to ensuring the safety of people's property.

As the saying goes, fire can be avoided. As long as we have a sense of fire prevention, learn more about fire protection knowledge, use electricity scientifically, use steam, do not play with fire, pay more attention to the flammable materials around us, try to achieve fire, separate the fire source from the flammable, and ensure indoor air convection, so that the fire can be avoided.

In addition, in normal times, we must always check whether there are fire safety problems, and once fire safety hazards are found, we must take timely measures to rectify them. To the people around you to promote more fire knowledge, the fire equipment can not be misappropriated, on the contrary, but more protection, correct and reasonable use, but also always remember the fire alarm **119.

However, when a fire breaks out, we need to be calm and use firefighting equipment to extinguish the fire in a timely manner. Such as: immediately call the police, extinguish the fire, save people, evacuate materials, explosion-proof, collapse-proof, smoke exhaust, alert, save people.

When we call the police, we should pay attention to the detailed address, the location, the burning substance, the size of the fire, the name and number of the person who called the police, and send someone to the intersection to meet the fire truck. And try to extinguish the fire as much as possible to minimize the damage.

I've heard of a seven-year-old girl who used her knowledge of firefighting to save herself when she encountered a fire. At that time, a seven-year-old girl was doing her homework when she suddenly smelled gas.

When she checked the smell of gas, she found that the kitchen was on fire and her parents had been stunned by the gas in the bathroom. Just when the fire burned her eyebrows, she decisively opened the window to ventilate, and called the police**, preventing a tragedy from happening and saving her parents. Imagine that at that time, if the little girl did not know about firefighting, a slight action, such as turning on and off the lights, was likely to trigger a fire, causing a tragedy, and the family was ruined!

However, it is the knowledge of fire protection and what to do after such a thing happens, and there is such a gratifying result.

Disaster in an instant, prevention in peacetime", let us start from the usual, cherish life, do a good job in fire prevention, and enhance fire knowledge, so as to avoid disasters and maintain the life and health of ourselves and others. Learn about firefighting to avoid disasters and protect the lives and health of yourself and others.