人教版高中英语精品教案选修七 4页

Period5　UsingLanguage：Reading，DiscussingandWritingTeachingaims　　　　　1．Learntopronouncethenamesofseacreaturesmentionedinthetextcorrectly.2．Learntodescribethecreaturesmentionedinthetextproperlyaccordingtothepictureswiththeexpressionslike：...＋looking，...＋shaped，...＋spotted，...＋like，...＋striped.3．Learntousetheadjectivesinthecorrectordertodescribethepicturespreparedbytheteacher.4．Learntouseproperexpressionstoconveytheirexactfeelingsintheirpastexperiences.Teachingprocedures　　　　　Step1　Warmingupandlead－inFirst，showstudentsthepictureaboveandaskthemsomequestionsasarevision：Wherearethey？Whataretheydoing？Whydotheygosnorkelling?Next，drawaconclusionandleadintothetext：Astheseaisaworldfullofmagic，manytouristsheadtothesea，andtheauthorofthistextisoneofthem.Look！Theotherday，thewriterwentsnorkellingwithherfriendsandexperiencedalot.Let'stakeabrieflookatseacreaturesthroughherdiary.Then，takeacloserlookatthephotosshetakenanddescribethemwithwhatyoucanfindinyourtextbook.PicturesinthetextinUsingLanguagegivethefollowinginformation：coralswithvividcolorsandshapes，elegantfishes，littleorangeandwhitefish，smallcleanerfish，theyellowandgreenparrotfishwithhardbird－likemouth，yellow－spottedredsea－slugandbluesea－starsandwise－lookingturtles，eelswithstrongsharpteeth，giantclamwiththickgreenlips，greyreefsharksaboutoneandahalfmeterslong，theedgeofthereefwithasharpdroptothesandyoceanfloorStep2　FastreadingReadthepassageandputthefollowingtopicsintothecorrectorderaccordingtothetext.TopicsParagraphcolorsandshapes2dangers4reflecting1thereef'sedge5afinalthought6someseacreatures3\nStep3　CarefulreadingTask1：Readandchoosethebestanswers.1．Judgingfromthetext，whattheauthormainlywantstotellusinthediaryis______.A．thattheseaisfantasticwithvividcolorsB．thatthewaterwhereshewassnorkellingisnotdeepbutshallowC．whatshesawandhowshefeltintheseaD．thatalltheplantsintheseaarepoisonous2．Whatwashangingupsidedownintheseaaccordingtothetext?A．Theorangeandwhitefish.　　　　　　　B．Theyellow－spottedredsea－slug.C．Theyellowandgreenparrotfish.D．Thebluesea－stars.3．Theauthorwasafraidofgettingtooclosetotheeelbecause______.A．ithasstrongsharpteethB．ithasthickgreenlipsC．ithasafrighteningshapeD．itgivesoutpoisonousliquids4．Whichofthefollowingsentencesshowthattheauthorcouldn'thelpfeelingexcitedinthesea？______A．Myheartwasbeatingwildly.B．Thatdidn'tstopmefromfeelingscaredtodeath.C．Everycellinmybodywokeup.D．Ifeltveryexposedinsuchdeepclearwater.5．Wecaninferfromthetextthattheauthorfeltthat______.A．comparedwiththewholeworld，manistinyB．comparedwiththewholeworld，theoceanistinyC．thereweremoredelightsthandangerswhensnorkellingD．thereweremoredangersthandelightswhensnorkellingKeys：CCACATask2：DoExercise3onPage25.Keys：1.warmnight　2.thewavinglongthin　3.hardbird－like　4.ayellow－spottedred5．alargewise－looking　6.strongsharp　7.thickgreen　8.twogreyNotetheuseofadjectives：number—opinion—shape/size—age—color—place—material—noune．g.acutelittlebrownpuppy　twothickgreenspottedsea－starsTask3：Practice1．Several______sharks.(a.largegrey　b．greylarge)2．Some______whales.(a.giantblue　b．bluegiant)3．Scoresof______turtles.(a.white－stripedandgrey　b．greyandwhite－striped)4．Manya______seal.(a.black－spottedandlightgreyb．lightgreyandblack－spotted)5．Many______anemonefish.(a.littleorangeandwhite　b．orangeandwhitelittle)6．Plentyof______angelfish.(a.orangeandblue－striped　b．blue－stripedandorange)7．Anumberof______corals.(a.hugecolorful　b．colorfulhuge)Keys：aabbaaaStep4　DiscussingandspeakingSupposeanaquariumisbeingdesignedinourcity.Asthetwomaindirectorsoftheaquarium，youandyourpartneraretalkingaboutwhatseacreaturesshouldbebroughtin.\nExpressingideasResponsesIsuggestbringingin...as...Iadviseputtingin...I'mconsideringbuying...What/Howabout...?I'mimagining...Ienjoy/feellike/dislike...Doyoumind...?...That'sagood/greatidea.Soundsgood!Can'tagreemore!It'sgood...Itdepends.It'snogood...I'mafraidnot....Example：A：Sincetheaquariumwillbeopenedsoon，thevarietiesofseacreaturesrequirediscussingnow.Whataboutputtinganumberofhugecolorfulcoralsinit?B：Can'tagreemore！I'mconsideringbringinginseverallargegreyreefsharksaspeoplearealllookingforwardtoseeingthem.A：It'sgreat！Doyoumindourbuyingscoresofgreyandwhite－stripedturtles?B：Notatall！I'malsothinkingofgettingsomelittleseacreatures.A：Youareright.It'sgoodhavingsomeorangeandblue－stripedangelfishastheyarethatlovely.B：Allinall，wemaybringinasmanyseacreaturesaspossiblebecausepeoplecan'tstandbeingcheatedastheyspendmuchmoneybuyingthetickets.Step5　LearningphrasesandsentencesUsefulphrases：reflectontheday回忆当天的事情adayofpuremagic神奇的一天gosnorkelling潜泳extraordinarybeauty奇妙的美景allkindsofsmall，neatandelegantfish种类繁多、小巧整齐、姿态优雅的鱼exploresmallcaves探索小石洞narrowpassages狭窄的通道hangupsidedown倒挂着ayellow－spottedredsea－slug带着黄斑点的红色海蛞蝓alargewise－lookingturtle一只长相聪慧的大乌龟lookstraightatme直直地盯着我sharpteeth利齿atastyfish一条美味的鱼thegiantclamhalfburiedinsomecoral一个巨大的蛤蚌半掩在珊瑚礁中thickgreenlips宽厚的绿嘴唇twogreyreefsharks两条灰色的珊瑚鲨appearfrombehindsomecoral从珊瑚后面出来feelscaredtodeath吓得要命swimovertheedgeofthereef游过珊瑚礁的边沿lookdownintothedepthsoftheocean往下看海底Beautifulsentences：\nI'msittinginthewarmnightairwithacolddrinkinmyhandandreflectingontheday—adayofpuremagic!...itwasthemostfantasticthingIhaveeverdone.Itwaslikediscoveringawholenewdimensionoflife....everycellinmybodywokeup.ThefirstthingIbecameawareofwasallthevividcolourssurroundingme......theywereshapedlikefans......Icouldhavetouchedit.Myheartwasbeatingwildly—Ifeltveryexposedinsuchdeepclearwater.Whatawonderful，limitlessworlditwasdownthere!AndwhatatinyspotIwasinthisenormousworld!Step6　HomeworkGiveawrittenintroductiontotheaquariumtobeopened.Theintroductionshouldincludethefollowingaspects.1．Location.2．Admissionprice.3．Opentime.4．Seacreaturesyoucansee.5．Delightsyoumayhavewhilewatchingperformancesgivenbydolphins，sealions，etc.6．SomeDosandDon'tsinit.Requests：1．Beasimaginativeasyoulike.2．Useasmany－ingformsinthecompositionasyoucan.3．Makesuretheaquariumisaccessibletothedisabled.