请英语高手帮我点评我的这篇英语四级作文,
1：人们为什么认为淡水资源取之不尽
2：什么原因导致淡水资源
3：如何解决全球淡水紧缺问题
Global Shortage Of Fresh Water
Many people think that fresh water in our earth is not used up.They hold this opinion because the rainwater,well water,river water in our earth is abundant.In addition,with the development of science.People can use some equipments to make the seawater turn to fresh water.
Actually,the deposit of fresh water in our world is very short.The following are the reasons for the above idea.First,a large number of people live in our earth and they need to drink all the time.Second,with the development of industry,a great quantity of fresh water are used to produce.Furthermore,most people haven't awareness to protect our fresh water and always waste it.
In order to solve the problem of global shortage of fresh water,we should take some measure to make it.To begin with,every country must make a law to limit the industrial waste water th rowed into the rivers arbitrary .Moreover,we should form have a good habit of protecting fresh water.