高中英语 unit 7 the sea period one课堂讲义 北师大版必修3

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1、Unit7TheSeaTheGreatBarrierReefSomepeoplecallitanunderwaterwonderland.Otherscallitthemostmagicalplaceonourplanet.Wearetalkingaboutoneofthegreatwondersofournaturalworld—thebeautifulandamazingGreatBarrierReeflocatedofftheeastcoastofAustralia.TheGreatBarrierReefisnotjustonereefbuta

2、ctuallyaseriesofover2,000reefsstretchingformorethan2,300kilometres.Itistheworld’slargestcoralreef.Acoralreefisanaturalbarriermadeupofthebodiesoflivinganddeadcoral.Coralreefsexistinwarmclimateswithclearsaltwaterandlotsofsunlight.Andsincecoralreefsarealsoinshallowwater，youcanactu

3、allyseethemfromabovethewater！AllalongtheGreatBarrierReef，thecolorofthecoralreefchanges，asdoesthecolorofthewater，whichvariesfromagreentoabluecolor.ThebestwaytoexperiencethemagicandbeautyoftheGreatBarrierReefistoexperienceitupcloseandpersonal，underwater.Peoplewhohavedivedandexplo

4、redintheGreatBarrierReefclaimthatitisanunderwaterwonderlandfilledwithamazingcreaturesandbeautifulsights.ThisGreatBarrierReef，althoughbeautifulandamazing，isverysensitivetooutsideforcessuchasclimatechange，changesinthepatternsofwatermovementandglobalwarming.Humansarealsoresponsibl

5、efordamagingtheGreatBarrierReefandthusendangeringthelivesoftheanimalsthatlivethere.Ifyouareoneoftheluckypeoplethatgetthechancetoexplorethisunderwaterwonderland，besuretoleaveeverythingjustthewayyoufindit.1．theGreatBarrierReef大堡礁2．wonderlandn．仙境；奇境3．stretchvi.延伸1．Whatisacoralreef

6、?Acoralreefisanaturalbarriermadeupofthebodiesoflivinganddeadcoral.2．IfyouhavethechancetoexploretheGreatBarrierReef，whatshouldyoudotoprotectit?Leaveeverythingjustthewaywefindit.PeriodOne　Warmup&Lesson1TheSpiritofExplorersⅠ.单词检测1．participatevi.参加2．evaluatevt.评估，评价3．arrangevt.安排，准

7、备arrangementn．安排；约定4．signn．手势；符号5．actorn．演员actressn．女演员6．collectionn．收集，收取collectv．收集；聚集；募捐7．frighteningadj.令人惊恐的，骇人的frightenv．使惊吓frightenedadj.害怕的8．underwateradj.在水下，供水下用的9．explorern．探险家explorev．探险；探讨10．voyagen．航海；航空11．ancestorn．祖先12．persuadevt.说服13．unknownadj.不知道的；未知的14．event

8、uallyadv.最终15．lecturen．讲授，演讲16．apologisevi.道歉Ⅱ.短语检测1．f