Unit3EnvironmentalProtectionReadingandThinking讲练结合语言点课件高中英语人教版选择性

LanguagePoints人教版选择性必修三Unit3EnvironmentalProtection1.ThereislittledoubtthatEarthisgettingwarmerandwarmer.(Page26)毫无疑问，地球正变得越来越温暖。剖析Thereislittledoubtthat..."毫无疑问……"，其中的that引导同位语从句。【合作探究】读一读·细观察阅读下列句子，写出句中黑体词的含义对持有疑问我怀疑是否我确信记一记·长知识doubt既可以做名词，又可以做动词，在肯定句中常接whether/if引导的从句（同位语从句中只用whether)，在否定句和疑问句中常接that引导的从句。【即学即用】单句语法填空thatthat毫无疑问这个人很难相处，因为他是如此顽固的一个人。2.Anexpertwhohasstudiedpolarbearsformanyyearssaidthatfromthepositionofitsdeadbody,thebearappearedtohavestarvedanddied.(Page26)一位长期研究北极熊的专家说，从尸体的姿势看，这只北极熊像是饿死的。★starvevi.&vt.（使）挨饿；饿死Millionsofpeoplearestarvingnowinthepoorareasintheworld.现在，世界上贫困地区的数以百万计的人们正在挨饿。Theygotlostinthedesertandstarvedtodeath.他们在沙漠中迷了路，饿死了。【合作探究】读一读·细观察阅读下列句子，写出句中黑体词的词性和含义①Thereisnodoubtthateverychildstarvesforknowledge.词性含义②Thelocalpeoplehavebeenfreedfromstarvation.词性含义动词渴望；渴求名词饥饿说一说．勤归纳【即学即用】单句语法填空①Wehaveenoughfoodandwillnotsufferfrom(starve).完成句子②每个人都渴望成功。Everyonestarvationstarvesforsuccess.3.Theheatisreleasedbackintospaceatlongerwavelengths.(Page27)这一热量以更大的波长被释放回大气层。★releasevt．排放；释放Firefighterstooktwohourstoreleasethedriverfromthebus.消防队员花了两个小时将司机从公共汽车里救出来。Theforesthastheincredibleabilitytoreleaseoxygen.森林拥有令人不可思议的释放氧气的能力。【合作探究】读一读·细观察阅读下列句子，写出句中黑体词的词性和含义①Policehavereleasednofurtherdetailsabouttheaccident.词性含义②Shecanexpectanearlyreleasefromprison.词性含义动词发布名词释放③ThenewsoftwareisplannedforreleaseinApril.词性含义④Thereleaseofcarbondioxideintotheatmosphereisamazing.词性含义名词发布名词排放【即学即用】翻译句子①Herefusedtoreleaseherarm.②Thegovernmenthasbeenworkingtosecurethereleaseofthehostages（人质）.政府一直在努力争取使人质获释。他不肯放开她的胳膊。4.Whenpeopleproducehugeamountsofextragreenhousegasesbyburningfossilfuels,moreheatenergyistrappedintheatmosphereandcausesEarth'ssurfacetemperaturetorisequickly.(Page27)当人类由于燃烧化石燃料产生了大量额外的温室气体，更多的热能被困在大气层中，导致地表温度迅速上升。★trapvt．使陷入困境Whentravellingtheyweretrappedinthemountain,waitingtoberescued.旅行时，他们被困在山上，等待救援。Webecametrappedbytherisingfloodwater.我们被上涨的洪水困住了。【合作探究】读一读·细观察阅读下列句子，写出句中黑体词的词性和含义①Hefeltthatmarriagewasatrap.词性含义②Thehunterhassetatrapforthehare.含义③Theyoungmanfoundhehadfallenintoatrap.含义④lhopedtotraphimintoanadmission.含义名词骗局；圈套给某人设圈套诱使某人做某事落入圈套/陷阱说一说．勤归纳【即学即用】用适当的介词或副词填空①Feelingtrapped

theforest,MrSmithwashelpless.②Havingfallen

atrap,thebearroaredagainandagain.③Onemantrappedme

buyingthebigcoat.inintointo剖析句中that从句为同位语从句，修饰evidence。that仅起连接作用，无实义，且不能省略。Isthereanyevidencetosupportwhatyousaid?有什么证据可以支持你说的话吗？★evidencen.证据；根据【合作探究】读一读·细观察阅读下列句子，写出句中黑体词的词性和含义①Itwasevidentthatthepolicywasagreatsuccess.词性含义②Evidently,whathesaidisright.词性含义形容词明显的；显而易见的；显然的副词明显地；显然地说一说．勤归纳单句语法填空①Nowwehavethemostdirect

(evident)thatheisright.②Canyougivemean

(evidence)descriptionaboutit?句型转换③Itwasevidentthathehadliedtous.→,hehadliedtous.Evidently【即学即用】evidenceevident6.Itisourresponsibilitytoseizeeveryoppor-tunitytoeducateeveryoneaboutglobalwarming,alongwithitscausesandimpacts,becausethisisthemostseriousissueaffectingallofusonthisplanet,(Page27)我们有责任抓住每一个机会，教育每个人了解全球变暖，包括其原因和影响，因为这是影响这个星球上我们所有人的最严重的问题。剖析在句子Itisour...impacts中，It为形式主语，toseize..．为句子真正的主语。It'sourdutytoobeytheschoolrules.遵守校规是我们的义务。

★seizevt．抓住；捉住；夺取；攻占；控制Weshouldseizethechance/opportunitytoworkhardtoachieveourgoal.我们应抓住机会努力工作来实现我们的目标。Ifyouthinkyourideahaspotential,seizeon/uponitimmediately.如果你觉得你的想法很有潜力，立即抓住它。【合作探究】读一读·细观察阅读下列句子，写出句中黑体词的结构和含义Beforehecouldrunaway,sheseizedhimbythecoll