高中英语（目标分析+方案设计+自主导学）Unit 3 Period Ⅰ Previewing课件 新人教版选修7.ppt

【美文阅读】广袤无垠的海洋，孕育了无数生命传奇，以其独有的神秘吸引着人类对其进行不懈的探索。为此，海洋科学家通常把海洋分为五个区域。现在就让我们一起了解一下吧！,below4,000metres，thetemperatureisnearfreezingandthereisnolightatall.infact，thezoneissodarkandemptythatscientistsnamedthiszoneafterthegreekwordfor“nobottom”thereisnotmuchlifetobefoundinthiscoldandunpleasantpartoftheocean，butsomesmallcreaturesstillmanagetosurviveheredespitethehighwaterpressure.,theverydeepestpartoftheoceanisfound2,000metresfurtherdown.atthisdepth，thewaterpressureisextremelyhighandlifeisverydifficultforthefewcreaturesthatlivehere.comparedtotheotherzones，thisonehasverylittlelife.sincethereisnolighthere，someoftheanimalsdonothaveeyes.nexttimeyoulookattheoceanfromthebeachoronamap，rememberthatwhatyouareseeingisonlythesurfaceonlythebeginningofthelargeandvariedadventure.,教师用书独具演示,教学目标初步掌握本课文中的词汇，浅层次理解课文，了解相关的背景知识。本课时主要是通过学生对学案所给出的内容的学习，了解本课文中所出现的词汇，初步了解课文以及相关的背景知识，让学生在下一堂课中对课文的全面理解起到一个铺垫作用。,教学地位本单元的中心话题是“海底世界”。听说读写等活动主要围绕海底动植物、海底奇妙景观，以及有关大海的神话故事展开。本单元引导学生讨论这些话题，目的在于让他们了解海底世界的博大与奇妙。从而增强保护海洋和开发利用海洋的意识。,新课导入建议可以通过讨论教材第19页的图画引导学生了解这些海底动植物。培养学生热爱和保护海洋生物的意识。,演示结束,.篇章结构阅读文章，然后完成下面表格(每空不超过3词),【答案】1.witnessed2.oneafternoon3.telling4showed5.ontopof6.breathing7.fleeing8dragged9.depths10.lipsandtongue,.语篇理解阅读p2021的reading部分，从每题所给的3个选项中选择最佳答案1whofirstshoutedthatthekillerwascoming?athewriter.bjames.cgeorge.,2whichofthefollowingistrue?aoldtomandhisfriendswerehelpfultothewhalers.boldtomwas70yearsold.coldtomneverdidanyfavorforthewhalers.3whydidthekillersthrowthemselvesontopofthewhalesblowhole?atoprotectthewhale.btohelpthewhalerunaway.ctostopthewhalebreathing.,4thewhalersreturnedhomewithoutthewhalesbodybecause.aitwastooheavytocarrybtheydidntcatchthewhalecitwouldntfloatuptothesurfaceforaround24hours5oldtomhelpedjamesby.ahugginghiminthewaterbkeepingthesharkawayfromjamescholdingupjamesinthewater【答案】15caccc,.课文缩写用所给单词或短语的正确形式完成课文缩写ihadheardofthekillersthathelpedwhalerscatchhugewhales.wheniworkedatawhalingstation，i1.itmanytimes.oneafternoon，iheardaloudnoisecomingfromthebay.werandowntotheshore2.timetoseeanenormousanimalthrowingitselfoutofthewater.george，oneofthewhalers，toldmethatitwasoldtom，thekiller，whowastellingustheresawhale.anotherwhaler3.outto4.awhalehunt.,weimmediatelyheadedoutintothebay，witholdtom5.ustheway.usingatelescopewesawthatseveralkillers6.thewhalewerethrowingthemselvesontopofthewhalesblowholetostopit7.，whileotherswerestoppingitdivingor8.outtosea.thenthemaninthebowoftheboataimedatthewhaleandkilledit.thesekillers9.harmedorattackedpeople.oncewhenwewereinthebay，theseawas10.，forwhichjameswascarriedawaybywaves.worsestill，therewasashark.fortunately，oldtomrescuedjames.,【答案】1.witnessed2.in3.yelled4.announce5showing6.over7.breathing8.fleeing9.never10.rough,.词义搭配1urgeatojumpintothewaterheadfirst2pausebtorunaway；toescape(esp.fromdanger，threatetc)3witnessctostronglyrecommendorsuggest4abandondshortstopwhiledoingorsayingsomething5yelletobepresentatsth.andseeit,6dragftogiveupcompletely7fleegtoutteraloudsharpcryorcriesasofpain，excitement，etc8divehtopull(sb./sth.)alongwitheffortanddifficulty【答案】1.c2.d3.e4.f5.g6.h7.b8.a,.短语填空sortout；helpout；aheadof；inthemeantime；packinto；eventhough；washoff；pointtowards1therewerethreewomenwaitinghiminthequeue.2janeisherfriendbylendinghimhercar.3johnahouse，sayingthatwashishome.4illneedtimetotheofficestafftheyarehopelesslydisorganizedatthemoment.,5hegotthefirstprize；，hebroketherecords.6theseclotheswontbeallonesuitcase.【答案】1.hemeantime6.packedinto,.句型背诵1afewminuteslater，therewasnotom，sogeorgestartedbeatingthewaterwithhisoarandtherewastom，circlingbacktotheboat，leadingustothehuntagain.几分钟之后，汤姆不见了，于是乔治开始用桨拍打水面。汤姆出现了，转回到船边，又领着我们前往捕猎处。2aswedrewcloser，icouldseeawhalebeingattackedbyapackofaboutsixotherkillers.走近一看，原来是一头大鲸受到约六七条虎鲸的攻击