外研版高中英語(yǔ)選擇性必修第四冊(cè)UNIT5 Period6課件

Period6

Unit5

Intotheunknown主題語(yǔ)境人與社會(huì)——社會(huì)進(jìn)步與人類(lèi)文明本單元的寫(xiě)作任務(wù)是寫(xiě)一篇介紹大自然神秘現(xiàn)象的文章，屬于說(shuō)明文。此類(lèi)文章一般用言簡(jiǎn)意賅的語(yǔ)言說(shuō)明事物，闡明事理，從而給讀者提供知識(shí)。寫(xiě)一篇關(guān)于不解之謎的文章課時(shí)學(xué)案寫(xiě)作(Writing)(一)基本框架1．開(kāi)頭：引出要介紹的事物；2．主體：對(duì)事物進(jìn)行詳細(xì)說(shuō)明；3．結(jié)尾：總結(jié)全文或?qū)懗鲎约旱母惺堋?二)常用表達(dá)1．TherehavebeenreportsofmonstersinLakeTianchi，althoughnoonehasseenonecloseup．一直就有關(guān)于天池怪物的報(bào)道，盡管還不曾有人近距離地目睹過(guò)。2．TheBigfoot，whichwasfirstseeninNorthAmerica，isoneoftheworld-famousmysteriouscreatures．大腳怪是在北美洲首次被看到的，它是世界著名的神秘生物之一。3．Hesaidthatheandhisfamilywereabletoseethemonsterclearlybecausetheweatherwasfineandthelakewascalm．他說(shuō)他和他的家人看清了怪物，因?yàn)楫?dāng)時(shí)天氣好，湖水平靜。4．Heclaimstohaveseenaroundblackcreaturemovingquicklythroughthewater．他聲稱(chēng)看見(jiàn)一個(gè)黑黑的、圓圓的動(dòng)物在水中快速游動(dòng)。5．Theremarkablethingwasthattheyshowednosignsofdecomposition．值得注意的是，它們沒(méi)有腐爛的跡象。6．Hedeductedthatthepyramidshapewasresponsibleforpreservingthesecreatures．他推斷金字塔的形狀是為了保護(hù)這些生物。7．In630AD，theancientcityofLoulandisappearedmysteriously．Whatpeoplecanseenowadaysisonlyitsruins．公元630年，樓蘭古城神秘地消失了?，F(xiàn)在人們看到的只是它的廢墟。8．Thoughscientistsworldwidearestillattemptingtogettothebottomofthisproblem，nohardproofhasbeenabletothrowlightonitsofar．盡管世界范圍的科學(xué)家仍然試圖解開(kāi)這個(gè)問(wèn)題的疑團(tuán)，但迄今為止沒(méi)有確鑿的證據(jù)加以證明?！鞍倌酱笕恰币恢笔且粋€(gè)未解之謎，許多船只和飛機(jī)曾經(jīng)在這里神秘失蹤，沒(méi)有留下任何痕跡。請(qǐng)寫(xiě)一篇介紹“百慕大三角”的英語(yǔ)短文。注意：1．詞數(shù)80左右；2．可以適當(dāng)增加細(xì)節(jié)，以使行文連貫。_________________________________________________________________________________________________________________________________________________________________________________[審題構(gòu)思]1．確定體裁：本文為未解之謎介紹，屬于說(shuō)明文；2．確定人稱(chēng)：本文的主要人稱(chēng)應(yīng)為第三人稱(chēng)；3．確定時(shí)態(tài)：本文的主體時(shí)態(tài)為一般現(xiàn)在時(shí)和一般過(guò)去時(shí)；4．確定內(nèi)容：①介紹位置；②介紹發(fā)生的怪事；③人們的猜測(cè)。[遣詞造句]1．在自然界有很多未解之謎，“百慕大三角”就是其中特別的一個(gè)。_________________________________inthenaturalworld，ofwhichtheBermudaTriangleisaparticularone．2．這是位于百慕大和佛羅里達(dá)之間大西洋西部的一片區(qū)域。_____________ofthewesternAtlanticbetweenBermudaandFlorida．3．在這個(gè)地區(qū)發(fā)生了一些奇怪的事情。____________________________inthisarea．TherearemanyunexplainedmysteriesThisisanareaSomestrangeincidentshappened4．自1945年開(kāi)始，數(shù)以百計(jì)的船只和飛機(jī)，以及一千多人在這里失蹤，而且沒(méi)有留給他們逃跑的機(jī)會(huì)。Since1945，hundredsofshipsandplanesandoverathousandpeoplehavedisappeared，and________________________________wasleft．5．有些人認(rèn)為是外星人到了那里并把一切都帶走的。Somethinkaliensmighthavearrivedthereand__________________．nochanceforthemtomakeagetawaytakeneverythingaway6．另有一些人認(rèn)為它們可能是由那里特別的天氣造成的。Othersbelievetheymight____________________________there．7．沒(méi)有人能給出一個(gè)令人信服的原因。Noonecan___________________________．8．或許在將來(lái)隨著科技的發(fā)展我們能找到答案。Maybeinthefuturewecanfindtheanswer_____________________________________________．becausedbyspecialweathergiveabelievablereasonwiththedevelopmentofscienceandtechnology[句式升級(jí)]1．用定語(yǔ)從句把遣詞造句中的句2和句3連接起來(lái)______________________________________________________________________________________________________________________2．用動(dòng)詞-ing形式作狀語(yǔ)改寫(xiě)遣詞造句中的句4______________________________________________________________________________________________________________________ThisisanareaofthewesternAtlanticbetweenBermudaandFlorida，wheresomestrangeincidentshappened．Since1945，hundredsofshipsandplanesandoverathousandpeoplehavedisappeared，leavingnochanceforthemtomakeagetaway．[連句成篇](注意使用適當(dāng)?shù)你暯舆^(guò)渡詞語(yǔ))_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________[參考范文]Therearemanyunexplainedmysteriesinthenaturalworld，ofwhichtheBermudaTriangleisaparticularone．ThisisanareaofthewesternAtlanticbetweenBermudaandFlorida，wheresomestrangeincidentshappened．Since1945，hundredsofshipsandplanesandoverathousandpeoplehavedisappeared，leavingnochanceforthemtomakeagetaway．Somethinkaliensmighthavearrivedthereandtakeneverythingaway．Othersbelievetheymightbecausedbyspecialweatherthere．Butnoonecangiveabelievablereason．Maybeinthefuturewecanfindtheanswerwiththedevelopmentofscienceandtechnology．[詞塊積累]1．a(chǎn)rminarm臂挽臂2．onone'sknees跪著3．lieonone'sback仰臥4．elbowone'sway擠著向前走5．putone'sfeetup蹺起腳休息動(dòng)作描寫(xiě)肢體6．holdoutone'sarms張開(kāi)雙臂7．takeone'sarm挽住某人的胳膊8．thumbupatsb．朝某人豎起大拇指9．cupone'shandsoversth．用雙手捂住某物10．berushedoffone'sfeet忙得腳不沾地[佳句積累]1．SuddenlyIfeltasharppaininmyshoulder．我突然感到肩部一陣劇痛。2．Sheslippedoutofbedandtiptoedtothewindow．她溜下床，踮起腳尖走向窗戶。3．Herhandstrembledassheliftedtheglasstoherlips．她的手顫抖著把杯子送到唇邊。4．Suddenlyherkneesweakenedandshefelltothefloor．突然她的膝蓋一軟，摔倒在地上。5．Hesprangtohisfeetandrushedtogivemeabearhug．他突然跳起來(lái)，沖過(guò)來(lái)給我一個(gè)熊抱。6．Isawthemmakingtheirway，handinhand，downthepath．我看到他們手拉手沿著小路朝前走。7．Icuppedmyhandoverthephonesotheycouldn'thearme．我用手捂住電話，免得他們聽(tīng)到我的話。8．WhenIaskedhimwhyhehaddoneit，hejustshruggedhisshoulders．當(dāng)我問(wèn)他為什么要這么做時(shí)，他只是聳了聳肩。9．Hewaiteduntilhisdaughterwasasleep，thentiptoedquietlyoutoftheroom．他等女兒睡著后才躡手躡腳地悄悄走出房間。10．Hestruggledtoruntowardsthefinishingline，withhismouthdryandhislegstrembling．他繼續(xù)努力向終點(diǎn)跑去，他嘴巴干澀，雙腿顫抖。閱讀下面材料，根據(jù)其內(nèi)容和所給段落開(kāi)頭語(yǔ)續(xù)寫(xiě)兩段，使之構(gòu)成一篇完整的短文。StrangeFootprintsintheSnowJonathanwokeupandlookedaround．Foramoment，hewasn'tsurewherehewas．Thenheremembered．Heandhissister，Julie，werevisitingAuntGwen．TheyhadspentyesterdayhelpingAuntGwencleanherbasement．Todaytheywouldhavetimetoplay．Helookedoutthewindow．Freshsnowcoveredtheground．Hecouldhardlywaittogooutside．Jonathandressedandhurrieddownstairstothekitchen．“Hi，sleepyhead，”saidAuntGwen．“Juliehasalreadyeatenheroatmeal．She'soutside．”“That'swhereI'mgoingassoonasIfinishbreakfast，”Jonathansaid．Ashorttimelater，hezippeduphiscoat，putonhisboots，andwalkedoutthefrontdoor．Thesunmadethesnowsparkle．Helookedaround．Hedidn'tseehissister，buthesawsomethingelse．StrangefootprintsinthesnowtrackedacrossAuntGwen'syard．“They'rewaytoobigtobeJulie's．Theylookliketheybelongtoadinosaur，”Jonathansaid．Thenheadded，“Butthat'ssilly．Dinosaursarenotaroundanymore．”Helookedcloser：Thefootprintsweretheshapeofaverylargeoval(橢圓)withastem．“Maybetheybelongtoanelephantorahippothatescapedfromthezoo，”hethought．Heheldhisbreathandlistened．Hedidn'thearanything．Herememberedabookhe'dseenearlieronAuntGwen'sshelf．Itwasabookaboutanimaltracks．Hedashedinsidetogetit．Thebookhadpicturesofanimalsandthetrackstheymade．Heturnedthepagesonebyone，butnoneofthephotoslookedlikethefootprintsinAuntGwen'syard．Hestaredatthosefootprintsagain．Ananimalthatmadesuchbigtrackswouldhavetobeheavy．Itstracksshouldsinkfardownintothesnow．Yetthesefootprintsseemedtoskimacrossthetop．Howcanthatbe?Hewondered．Jonathannoticedsomethingelse．ThetracksneverleftAuntGwen'syard．Instead，theyturnedandwentaroundthehouse．“Maybetheanimalisstillhere，”hewhispered．注意：1．續(xù)寫(xiě)詞數(shù)應(yīng)為150左右；2．請(qǐng)按如下格式作答。Quietly，hebeganfollowingthefootprints．__________________________________________________________________________________________________________________________________________________________________________________________________Thatwaswhenhesawher—hissister，Julie．______________________________________________________________________________________________________________________________________[參考范文]Quietly，hebeganfollowingthefootprints．Hedidn'twanttoscaretheanimalaway．Therewasnothinginsightexcept