重在阅读和积累，今天小编给大家分享雅思写作7分范文：国防的重要性，多多阅读，多多积累，写作水平才能得到提高。
　　As mass production is the core principle of industrial economy, mass destruction becomes the core principle of this age. Warfare, as the result of violence pushed to its utmost abounds, has been posing a great threat to all the nations for a long history.
　　First, although most of tax money goes into the national defense budget, an ounce of prevention is worth of a pound of cure. After the first-ever atom bomb dropped on the Japanese city on August 6,1945, more than 140,000 people were kilLED in the atomic blast and tens of thousands of others died from the after effects of radiation. Since then, the technique of battle systems has already gone through several generations.
　　On the other hand, despite the generally peaceful world, local wars and racial segregations never been disconnected. At the same time, business and governments constantly jockey for advantage over each other, sometimes relying on less-than-legal measures including warfare.
　　Furthermore, the computer terrorist can inflict damage on millions of people with a single keystroke, sowing fear, suspicion, and doubt. If the terrorisms in "9.11"used the atom bomb instead of aircraft, New York would had been destroyed to empty land. That is the reason why American never gave up his research in military might.
　　Of course, arguments will be raised against my standpoint. Some people criticize it on the grounds that these problems can be resolved through diplomacy and dialogue. However, in my opinion, the unavoidable Information Warfare will be waged because it can be. History clearly shows that any new technology, regardless of its original intentions, soon finds its way into the warriors. In conclusion, we, no matter individuals or governments, must prepare for the future we are creating.

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