文档介绍：Unit 2 Environment
Speaking
Reading A
Grammar
Writing
The cost of beauty
Reading A
What usually co. We can’t ignore the potential danger around us.
9. give off: to send out (esp. a liquid, gas, or smell) . The eggs were giving off a bad smell. The factory gave off much poisonous gas.
10. expose to: to uncover, so as to leave without protection (from something) . Don’t expose it to the sun. Keep indoors; don’t expose your skin to the sun.
11. responsible (for something): involving the obligation to make decisions for others and bear the blame for their mistakes . We are legally responsible for our children. It’s you who made the mistake. You are responsible for it.
12. replace with/by: to change (something) for (something else instead) . We have replaced slave labour with / by machines
13. keep away (from): to avoid coming / going near (to) . Keep away from the fire, children.
※...you’ve got a recipe for illness. ...all the factors causing illness are available here.
1. The . Department of Labor Occupational Safety and Health Administration 美国职业平安与健康监察局(英文简称OSHA)，是美国依据?职业平安与健康法?〔1970年〕的规定，为保障500万个工作场所中的8500—9000万名雇员平安与健康的工作环境和工作条件，监察与鼓励雇主和职工减少工作场所的危害，落实有效的平安与健康措施，于1971年成立的联邦政府监察管理机构。
2. ... million...serious indoor air pollution. 据美国环保署的统计，在家中发现的有机污染物数量比户外高出2～5倍。美国消费者联盟估计，半数以上的疾病与室内空气污染有关，估算一年有千亿美元的医疗支出。国际上一些专家研究认为，在经历了煤烟污染和光化学烟雾污染对人们健康的危害之后，人类正在经历着以 “室内空气污染〞为主要内容的第三次污染时期。当前人们68%的疾病都与室内空气污染有关。家装材料中的有毒物质是室内空气污染的重要来源。
3. energy-saving house 在很多兴旺国家，在建筑房屋的时候，住房的保温隔热性能、朝向、窗墙面积比、使用率等都有严格要求,便于节能。
※Part One Presenting Situations: People are facing serious indoor air pollution (Para1-2)
In door air pollution
Many people work in indoor air polluted environment.
In door air pollution is much worse than, or at least as bad as outdoor air pollution
※Part Two Analyzing: The clauses of the kind of pollution that used to be ignored are analyzed (Para3-5)