Canwelivewithoutsalt的精選

問題詳情： 閱讀理解Canwelivewithoutsalt？No,saltisveryimportanttous.Weneedsaltinourfood.Animalsneedit,too.   Mostofthesaltinourcountrycomesfromthesea.Peoplediggreatpools(水池)andletintheseawater.Whent...