Asweallknow,waterisessentialinourdailylife.Wedrinkwatereveryday,weusewatertowashthingsandcookfood,wealsousewatertomakemachines.Peoplecan'tlivewithoutwater. 　　我们都知道水对于日常生活的重要性.我们每天喝水,用水洗东西和烹制食物,我们还用水来制造机器.离开水,人类就无法存活. 　　Thoughabout75%oftheearthiscoveredwithwater,only3%ofitisfreshwater.Sowemustsavewaterbyhavingashowerinsteadofabath.Wecansavewaterbyfixingdrippingtapsimmediatelyandwecanalsosavewaterbynotwashingunderarunningtap. 　　虽然地球75%都被水覆盖,但其中只有3%是淡水.所以我们应该用淋浴代替泡澡来节约水,同时及时修好滴水的水龙头,并且不要开着水龙头洗东西.