初三英语作文：外部渗透测试（External Penetration Testing）Water is very
Water is very important. It is the source of life. Everything in the world can’t live without water. The proportion of water and a person’s weight is about 70%. People can live without eating food for three days, but they will be very close to death if they don’t drink water for three days. The same goes for other creature. What’s worse, without water, everything will be stop. We can’t have power, and the world will be in the darkness. The parts of cell phone can’t be made. Then we have no way to connect with others. In a word, water is pretty significant. We need to protect it and save it.
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