学人教版选修七Unit3Under the sea Period1Warming up and Prereading 课件（13张）.ppt

2019学年度人教版选修七unit3undertheseaperiod 背景阅读 1 thefollowingarethemaincausesforseapollutionexcept a familiesb sewagesystemsc powerplantsd factories 2 wecaninferfromthe4thparagraphthat a seacandealwithpollutionbyitselfb theacceptablestandardofseapollutionhasbeenchangedc seapollutionisbecomingmoreandmoreseriousd thesurfaceofseaisrising 3 whyaresomemajorcompaniesaccusedofthisweek a theydon tpaytaxontime b theydon tprotectthesea c theytreattheenvironmentalguardsseverely d theydon tobeyenvironmentregulations 4 thepassageismostlikelytakenfrom a areportb anewspaperc amagazined asciencebook 5 thepurposeofthepassageis a tointroducethefactofseapollutionb tomakepeoplebeconcernedaboutseapollutionc towarnpeopleofseapollutionandcontrolwastedischarged togiveusadvice 语言点导学 一 短语翻译 1 onasnorkellingtrip 2 onaboattour 3 弄清 查明 4 列出 的清单 5 上面列出的方式 thewaylistedabove 在潜水旅行 乘游艇游览 findout makealistof 6 最喜欢的海洋植物7 一位叫克兰西的老人anoldmancalled namedclancy8 在 的东南海岸上9 在20世纪初10 在他们每年的迁徙中 favouriteseaplants atthebeginningofthe20thcentury onthesoutheasterncoastof ontheirannualmigration 二 难句理解 1 whatdoyouthinkishappeninginthepicture 你认为图中发生了什么 问 句中doyouthink作何种成分 句子的主语是 答 句中doyouthink是插入语 句子的主语是what 2 ingroup makealistofplantsandanimalsthatliveundertheseathatyouandyourclassmateshaveseeninanyofthewayslistedabove 分组列出你和你的同学通过上述方式所见过的海底动植物 问 句中两个that分别引导什么从句 listedabove作何种成分 答 句中两个that均引导定语从句 分别修饰其先行词plantsandanimals和thesea listedabove是过去分词短语 作定语 修饰theways 3 itwasatimewhenthekillerwhale orthekillerastheywerethencalled helpedthewhalerscatchthebaleenwhales 曾有一段时期 当时被人们称作虎鲸的鲸