新编英语教程第5册-Unit 2-PPT-教案.ppt

1、1、unit two text I beware the dirty seas(小心肮脏的海洋)，I. pre-reading questions 1。suggested answer(sa): it reminds me of a text about the polluted sea and I get interested in the text and am greatly concerned with our live and the common areas of the countries along them . They play very important roles t

2、o the countries and people in the areas，if not treated propes They 、3、ii。library work，1 .water pollution is a major element of 20th century environmental pollution . it includes the accumulation in oceans，lakes，rives And streamslibrary work，and exacerbation(恶化、加重、激怒)of the problem are industrial iza

3、tion And urbanization . industrial wastes includes、5、ii.library work、2 .treatment and control of wastes of all kinds is the only answer to water pollution problems . pollution can be controlled by building sewer Sewage treade，6，anization 1。paragraphs 1-4 introducing the topic : the mediter ra

4、nean is the most polluted sea in the world(thesis statement)。(1 Causes and consequences of the pollution in general。(2 4)，7，anization of the text，2。paragraphs 5 10 first main cause-sewage improper treatment of sewage by many mediter ranean countries。(5 7)conse ques Greater likelihood of disea

5、se(8 10)，8，anization of the text，3。paragraphs 11 13 second main cause-industries untreated wastes emitted from factories along the coast and from factories locates iii . organizingparagraphs 14 15 other causes of pollution : pesticides，detergents，fertilizers，etc . 5 . paragraphs 16 20 factors

6、 that lead to the severity of the case : narrow and shallow outlet of the strait of gibral tar(16)，10long-standing practice of dumping wastes into the seas(18)；multi plication of population and increasing number of tourists(19 20)6。paragraphs 21 22 conclusion 3360 efforts being made to solve 11，iv.k

7、ey points of the text，beware : be very careful of(it is used witful of)1)B(of)the fake products that flood the market . 2)B how you handle the delicate situation . 3)we have to that no one backs outs(b of the swindler with a slick tongue and a smiling face。12，paragraph 1 holiday destination : holida

8、y resort paragraph 2 waters : the water of the stated rivers，lakes，Etc.e.g. to fall vic Tim to the abilities And attitudes : to suffer from mans misuse of his abilities(or mans abilities to destroy)And his attitudes ，15，paragraph 3，Paraphrase the following sentence : the result Is that the mediter r

9、anean，which nurtured so many civilization)，16，paragraph 3，stifle : to(cause to)be unable to breathe comfortably，esp . because of hease . g . be stifle抑制基本原料的不足，抑制经济发展Stifle ones laughter (yawn，sobs)忍住笑。(打哈欠，抽泣)，17，Paragraph 3，What Relationship Does the Author Establishin(the Relationship between the two is that of cautionship between the two is that of cauthor Establishin)，18，paragraph 4，Endemic :(disease especially of a disease)found regularly in a particular place区域e . g . this is a proproond regularly in a particular place冗长声明here，litany is used in its transferred meaning，referri