雅思词汇分享：环境问题重要词汇使用方法

　　雅思考试除了有生活化的口语，也可能在听力、写作、阅读中出现环境相关的话题。尤其是在写作中。如果同学们提前积累这方面的广泛词汇，考试时一定能更加得心应手!下面是小编帮各位同学整理的一些雅思环境词汇的具体使用形式，快跟小编一起来背词吧~

　　一、五大主要环境问题

　　酸雨——被化学物质污染的雨

　　森林砍伐——雨林和林地被砍伐

　　生物多样性的丧失——物种灭绝

　　臭氧层损耗——臭氧层正在被破坏，变得越来越薄

　　土地退化——土壤和土地污染以及荒漠化

　　二、词汇积累

　　1.酸雨

　　A.Rain that contains large amounts of(1).....................This can cause serious health B.problems as particles of pollution can enter people's(2)....................

　　C.Acid rain can(3)....................into the ground causing soil pollution.

　　D.As rain falls into lakes and river this can cause water pollution.

　　E.Acid rain can also be responsible for damaging (4)....................

　　依次填入重要单词：1. chemicals;2. lungs;3.seep;4. buildings

　　2.森林砍伐

　　A.Deforestation is the destruction of forests and the cutting down of trees on a large scale.

　　B.As forests are cut down, it affects the atmosphere and(1)....................as trees play a large part in the water cycle.

　　C.Another problem is the loss of(2).................... Some species of plants and animals have already been lost while others remain endangered. This is due to the loss of their (3)....................

　　D.This process affects climate change. Trees(4).................... CO2 and give off oxygen. By destroying forests more CO2 remains in the atmosphere affecting the climate.

　　E.In the area where the trees have been removed,(5)....................occurs as the earth is exposed to the sun’s heat. This evaporates much needed nutrients contained in the soil and is very difficult to reverse.

　　依次填入重要单词：1. ecosystem;2. biodiversity;3. habitat;4. absorb;5. soil erosion

　　3.生物多样性的丧失

　　A. Each species, no matter how small,has a role to play in the (1)..................

　　B.Alarger number of plant species means a greater variety of (2)..................

　　C.Greater species diversity ensures (3).................. for all life forms; and healthy ecosystems can better withstand and recover from a variety of disasters.

　　D.The loss of biodiversity can affect our (4).................., access to clean water and also the range of raw materials.

　　依次填入重要单词：1. ecosystem;2. crops;3.natural sustainability;4. food security

　　4.臭氧层损耗

　　A. The ozone provides essential protection from the(1).................. ultraviolet radiation.

　　B.Certain industrial compounds (2)..................the ozone layer.

　　C.This reduces the ability of the ozone to protect(3).................. from UV radiation.

　　D.This is a global issue as the compounds affecting the ozone come from other parts of the world to where the problem lies.

　　依次填入重要单词：1. sun's;2. break down;3. surface life

　　5.土地退化

　　A.This relates to changes in the land which reduces its(1)..................

　　B.Factors that have contributed to land degradation include soil erosion,(2).................. ,desertification and loss of vegetation cover.

　　C.Many of these factors are (3.................. by human activities.

　　D.With a growing world population, land degradation can have serious effects on our ability to feed everyone due to reduced(4).................. in major food crops.

　　依次填入重要单词：1. productive potential;2. loss of fertility;3. exacerbated;4. yields

　　以上是全部内容分享，同学们无论是为阅读还是听力积累，都可以熟悉这些重要词汇在句子中的表达。另外，写作时如果有环境问题，也可以直接使用。