Unit 2The environment

Unit2,Unit2Theenvironment,ProjectWritingareport,Asthethirdlongestriverintheworld,howlongistheYangtzeRiver?,Whatarethethreelongestriversintheworld?,Howmanyprovincesdoesitrunacross?,Itrunsacrossnineprovinces.,Itis6,300kilometerslong.,TheNileinAfrica,theAmazoninSouthAmericaandtheYangtzeRiverinChina.,therareanimalsandfishes,White-flagdolphin,Yangtzealligator,Zhonghuasturgeon,Dividethefiveparagraphsintoseveralpartsaccordingtoyourunderstanding.,1.WhathascausedthepollutionoftheYangtzeRiver?Rapiddevelopmentandanincreaseinpopulationhavemeantthattheamountofwatertakenfromtheriverisrising,andthewastebeingputbackintotheriverhasbeenincreasing.,Answerthefollowingquestions.,2.Whatdothetwospecialgovernmentprojectsfocuson?TheyfocusontheproblemsalongtheYangtzeRiver.Thewaterandsoilpreservationprojectistoreplacethecropsonthefarmlandwithtreesorgrassland,andthesecondincludesanaturereverseforwhite-flagdolphins.,3.HavepeoplesolvedalltheproblemsconcerningtheYangtzeRiver?No,westillhavealongwaytogo.,ProtectingtheYangtzeRiver,unsafedrinkingwaterkillingmanyplantsandanimalsendangeringthewildanimalpopulation,rapiddevelopment;increaseinpopulation;thewastebeingputbackintotheriver,setupenvironmentalorganizationsandprojects;watchtheriverandstopstheillegalhuntingofanimals;twospecialgovernmentprojects,Discussion,Whatwillyouthinkaboutwhenyouseethetitle“Climatechangeandalow-carbonlife”?Whatdoyouthinkcausesclimatechange?Doyouthinkthatyourwayoflifecanchangetheclimate?Canyougivesomeexamplestoshowwhatkindoflifealow-carbonlifeis?,Climatechangeandalow-carbonlifeProblem:moreandmorecarbondioxidehasbeenputintotheatmosphere,whichhasbroughtaboutclimatechange.Cause:breathingofanimalsandhumans;otherhumanactivities;carsandvehicles;electricalpowerplants,Solutionstotheproblem:walkoruseabikewhenpossible;useaslittleenergyaspossible;recycleasmuchaspossible;planttrees,Notes:Theproblemsandcauses.Asastudent,whatyoushoulddotoprotecttheenvironment.WhatcanyoudotomakeothersawareoftheimportanceofprotectingtheYangtzeRiver？,Writeareportaboutwhatstudentsshoulddotoprotecttheenvironment.Belowaresomehintsforyoutofollow.,thehealthoftheYangtzeRiverhasraisedconcernbothinChinaandabroad.raise本意为“举起；使升起；使站立；扶起”。如：Heraisedhislefthand.他把左手举起来。Sheraisedthefallenchild.她把跌倒的孩子扶起来。,Languagepoints,raise在此处意为“引起；造成”。如：Hisabsenceraisedfearsabouthissafety.他的缺席引起人们对他安全的担心。Theuseofanimalsinscientifictestsraisessomedifficultethicalproblems.用动物做科学试验引起了一些棘手的道德问题。Afunnyremarkraisesalaugh.滑稽的话惹人发笑。,2.Thespecialgovernmentprojectsarealsounderway.underway已经开始并进行着。如：Theprojectisnowwellunderway.这一项目现正顺利进行。,3.ThisisnotgoodnewsforthepeoplewhorelyontheYangtzeRiverforwater.Norisitgoodnewsforthewiderangeoffishandwildliferelyonfor意为“依赖提供”如：Childrenrelyontheirparentsforfoodandclothing.孩子们依赖父母供给衣食。,(2)第二句话以nor开头，用倒装语序。句中fishandwildlife后接一个由that引导的定语从句。(3)range范围，幅度，差距。这里用作名词，意为“一系列，各种各样”。如：thewholerangeofhistory整个历史outsidetherangeofhumanknowledge在人类知识范围之外,相关短语：beyondtherangeof超过的范围withintherangeof在范围之内e.g.Itisbeyondtherangeofmyability.这件事超出了我的能力范围。Theworkiswithintherangeofourresponsibilities.这工作在我们的责任范围之内。,4.Althoughweproducecarbonwhenwebreathe,thecarbonweproduceismuchlessthanthatproducedbyacar.句中that指代carbon，后接过去分词短语producedbyacar作定语。英语中常用that来指代一个不可数名词。如：Theweatherhereismuchmorepleasantthanthatinthenorth.这里的天气比北方舒服多了。,5.Plantingasmalltreeischeapandeasy,andtwodecadesfromnow,whenyoulookatwhatwillhavebecomealargetree,youwillfindasenseofsatisfactionknowingthatyoudidyourparttohelpsolvetheproblemofclimatechange.,本句是一个并列主从复合句，并列连词and前面是一个简单句，后面是一个主从复合句，其中when引导一个时间状语从句，lookat后接一个由what引导的宾语从句，现在分词短语knowing作状语，后接一个由that引导的宾语从句。,Groupwork,DiscusstheeightquestionsinPartBonpage39.Youmayc