中考英语作文：The role of water

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　　Water is very important to us. if you don’t have water for three days, you
will die. we can use water for flowers, swimming, washing and many different
things. we use it to cook, make electricity, put out fires and so on. we use
millions of liters of water every day.
       
       
                　　Do you know how does the water come to your home? it travels through water
pipes. some are long and wide but some are short and narrow. then the water
travels through the water pipes to the reservoirs. then it travels through the
water pipes to the river and to the special factories that purify the water.
when the water is purified, we can drink it. please don’t leave garbage in the
water on which we line, and keep the water clean.