of some bottled water makes them not good for feeding babies and young children." Also,most bottled water doesn't have fluoride(氟化物),which can make teeth stronger.Kids are drinking more bottled water and less fluoridated tap water,and some say that's behind the recent rise in...
题目Choosing what to eat is no longer as easy as it once was.Our eating habits have changed,as has our way of life,and the fuel(燃料) we need for our bodies is also different.If we want to keep up with the high pace of modern life,we'd better learn to make th...
根据第一段的Spider(蜘蛛)silk,which is five times stronger than steel,no longer holds the record as the strongest material found in nature.Scientists have discovered that the teeth of a limpet (帽贝) are made of even tougher material表示"虽然蜘蛛丝的强度是钢的五倍,但是它不再是自然界中最坚固...
Our body utilizes zinc in a variety of ways. In fact, the mineral helps stimulate the activity of more than 100 enzymes. It also supports proper immune function, plays a role in ensuring normal growth, enables processes like gene regulation, and even helps neurons communicate, thereby enabling...
根据第一段的Spider(蜘蛛)silk,which is five times stronger than steel,no longer holds the record as the strongest material found in nature.Scientists have discovered that the teeth of a limpet (帽贝) are made of even tougher material表示"虽然蜘蛛丝的强度是钢的五倍,但是它不再是自然界中最坚固...
1Tough teeth Spider(蜘蛛)silk,which is five times stronger than steel,no longer holds the record as the strongest material found in nature.Scientists have discovered that the teeth of a limpet (帽贝) are made of even tougher material. "Spider silk has been winning this competition for a long...
根据第一段的Spider(蜘蛛)silk,which is five times stronger than steel,no longer holds the record as the strongest material found in nature.Scientists have discovered that the teeth of a limpet (帽贝) are made of even tougher material表示"虽然蜘蛛丝的强度是钢的五倍,但是它不再是自然界中最坚固...
题目It is no longer as easy as it once was to choose what to eat.Our eating habits have changed,so has our way of life,and what we need for our bodies is also different.Traditional diets often have too much fat.So we had better learn to make the right choices abo...
of some bottled water makes them not good for feeding babies and young children."Also most bottled water doesn't have fluoride(氟化物),which can make teeth stronger.Kids are drinking more bottled water and less fluoridated tap water,and some say that's behind the recent rise in ...