托福写作环境类话题题目：
Some people believe that the Earth is being harmed(damaged) by human activity. Others feel that human activity makes the earth a better place to live. What is your opinion? Use specific reasons and examples to support your answer.
托福写作范文：
While the past few centuries have witnessed increasingly better quality of human life,human activity is doing more and more harm to the Earth.Natural resources are being depleted and pollution is being created as a result of development of technology .Natural areas are being damaged as a result of urban expansion to populate more people.
首段摆明观点，并利用while句式，强调观点“ the Earth is being harmed(damaged) by human activity.”。
First,we harm the Earth by using more and more natural resources.If we fell too many trees at one time to build houses and make paper,or if we cut down trees before they grow to maturity,they can hardly grow back in time.As worrisome as overcutting of trees is overfishing.With improved technology and greater drive of money,fish of all kinds are being over hunted,reducing the biomass of some fish to the verge of extinction.Whaling seems a most irksome issue.While most countries argue against it,some countries go whaling to extreme.We often take it for granted that we have unlimited natural resources and use them in a wasteful manner,bringing about great losses.
从人类活动消耗越来越多的资源角度来阐明观点。举例有overcutting of trees以及overfishing.
Second,we damage the Earth by producing pollution in all forms.Factories pollute water and the air.Vehicles pollute the air.Nuclear- related and electronic products are playing an increasing big role in polluting the air,especially when we dispose the related waste carelessly.We take for granted that the Nature can help clean everything,but it can not.
分论点：人类活动污染大气和水资源。
Third，expanding towns and cities are taking up more and more land.As populations flood to cities，new houses and stores have to be built to accommodate their needs.Land that was good for farming has now become factories and apartment buildings.We seem to take it for granted that we have unlimited land ,but we don not.
In summary,human activity seems to be going at the expense of the Earth in various ways.However,our survival depends on the Earth,including natural areas and natural resources,so we have to venerate the earth.
托福写作素材之词汇/词组：
witness vt. 目击;证明;为…作证
deplete vt. 耗尽，用尽;使衰竭，使空虚
populate vt. 居住于;构成人口;移民于;殖民于
grow to maturity长到成熟
as worrisome as ... is...和...一样令人担忧的是...
the biomass of some fish生物量(专业词汇)
to the verge of...到...的边缘
irksome adj. 令人厌烦的，讨厌的;令人厌恶的
accommodate vt. 容纳;使适应;供应;调解vi. 适应;调解
at the expense of 以...为代价
venerate vt. 崇敬，尊敬
托福写作好的句式：
1、the past few centuries have witnessed increasingly better quality of human life...这里witness的使用可以借鉴。
2、With improved technology and greater drive of money,fish of all kinds are being over hunted,reducing the biomass of some fish to the verge of extinction.结果状语的使用，丰富了句子内容。
3、In summary,human activity seems to be going at the expense of the Earth in various ways.本句可以使用在很多关于人类与环境的话题中。
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