环境科学专业英语1.ppt

1、Unit One,Environment,2010-09-06,New Words 氯化(了)的,stratosphere: The region of the atmosphere above the troposphere and below the mesosphere.,平流层：位于对流层之上中顶层之下的范围的大气,stratospheric: Of, relating to, or characteristic of the stratosphere.,平流层的：属于、关于平流层的或具有平流层的典型特征的,1) Where earlier people limited ability

2、 to alter their surroundings, we now have power to extract and consume resources, produce wastes, and modify our world in ways that threaten both our continued existence and that of many organisms with which we share the planet.,Translation,2) A relatively new field, environmental science is highly

3、interdisciplinary, integrating natrual of the world aroud us.,3) While there are many things to appreciate and celebrate about the world in which we live, many pressing environmental problems cry out for our attention.,4) Compared to the conditions on other planets in our solar system, temperatures

4、on the earth are mild and relatively constant. Plentiful supplies of clean air, fresh water, and fertile soil are regenerated endlessly and spontaneously by geological and biological cycles.,5) Whether there are sufficient resources to support 6 billion humans-let alone 25 billion-on a sustainable b

5、asis is one of the most important questions we face.,6) No one wants this noxious stuff dumped in their own backyard, but too often the solution is to export it to someone elses.,7) Chlorinated compounds, such as the chlorofluorocarbons used in refrigeration and air conditioning, also contribute to

6、global warming, as well as damaging the stratospheric ozone that protects us from cancer-causing ultraviolet radiation in sunlight.,8) These and other similarly serious problems illustrate the importance of environmental science and environmental education for everyone. What we are doing to our worl

7、d, and what that may mean for our future and that of our children is paramount concern as we enter the twenty-first century.,1) What is environment?,2) What is environment science?,3) List some pressing environmental problems that cry out for our attention.,Writing,4) Do you think that environmental

8、 conditions are better now or worse than they were 10 years ago? Why?,形容词性后缀,1，-able表示可能的，可以的 movable可移动的，available可用的，可得到的 2，-al表示有的属性 regional 局部的，terminal末端的，typical典型的， digital手指的，数字的 3，-ant有些是从动词派生来的 persistant持久的，坚持的（从动词persist来的）， resistant抵抗的，反抗的（自动词resist派生） 4，-ar表示特征的，形状的 regular规则的，circul

9、ar环形的，圆的 5，-ary 表示与有关的 ordinary平常的，通常的，voluntary自愿的，随意的。,6，-ed 用于名词加ed，转化为形容词，或动词过去分词作形容词 Coded加密码的（名词code 加ed）, deposited被沉淀的（由动词deposit加ed） 7，-ent与-ant同类 consistent坚定的，different不同的 8，-ful由名词构成形容词 useful有用的，successful成功的，helpful有帮助的 9，-ible与-able相同 Visible可见的，irreversible 不可逆的 10，-ic加在外来词根的名词上，构成形容词 magnetic磁性的，aerobic需氧的，dynamic动力的,形容词性后缀,11，-ish加在颜色的形容词上，表示略带色 reddish带红色的，微红的，yellowish带黄色的，微黄的 12，-ive由动词构成形容词 relative有关的，相关的(由动词relat派生的)，sensitive灵敏的 13，-less表示没有的 useless无用的，lifeless无生命的 14，-ory表示性质的，属于的 sensory感觉的，accessory附属的、附加的 15，-o