2023學(xué)年完整公開課版Unit1TheworldofoursensesProject

牛津版高一

Module3Unit1ProducingaTVshowSharkattacksBaskingsharkSharkSpeciesWhalesharkGreatwhiteTigersharkBluesharkMoreinformation(http://new-brunswick.net/newbrunswick/shark/types.html)WhatareSharks?

Sharksarefishthathavebeenaroundsincethedinosaurs.Malesarecalled

“Bulls”

.Femalesarecalled

“Cows”.BabySharksarecalled

“Pups”.OthersharkfactsSharkshavefivetosevengillslits.

Manysharksmustkeepmovinginordertobreathethatis,inordertokeepwatermovingpasttheirgillslitsbutthisisnottrueofallspecies.Nursesharks,forexample,canliestillandfantheirgillstobringoxygen-richwateracrosstheslits.Becausetheylackaswimbladder,allsharksmustswiminordertoavoidsinkingtowardtheoceanfloor.Thesharkhassensesspeciallyadaptedfortheanimal'slifeunderwater.

Smellisashark'smostacutesense.Approximately70percentoftheshark'sbrainisusedforolfactory(smelling)

functions.Experimentshaveshownthatsharkscandetectpreysolelybysmell,andthehungriertheshark,thelessstimulantneededtoelicitareaction.Sharksaresensitivetolightandcandetectcertainobjectseveninmurkywater.Somehaveatapetumlucidum,amirrorlikelayerundertheretinaoftheeyethatreflectsincominglightandincreasestheamountoflightavailabletotheeye.(Catsandotheranimalswhoseeyes"glowinthedark"alsohavethisfeature.)Sharksdohaveears,buttheroleofhearingintheshark'slocationofpreyisnotwellunderstood.Asharkcandetectsoundwavesanddisturbancesinthewaterwithitslateralline,orlateralis,system.Thisisaseriesofthincanals,filledwithwater,thatrunsalongtheanimal'sside.Thecanalsareattachedtonervesthatsendsignalstotheshark'sbrain.Sharkscanalsosenseelectricandmagneticfields.Sensoryporeslocatedontheshark'sheadcandetectaprey'sbioelectricfieldevenifthepreyisburiedinsand.AsharkcanalsodetecttheEarth'smagneticfield.Open-oceansharksmayusethisinformationtonavigateandorientthemselves.

1.Whatdoyouknowaboutsharks?2.Howmanydifferenttypesofsharksarethereintheocean?3.Doallofthemattackhumans?4.Howtoavoidbeingattackedbysharks?5.Whataretheiruniquesenses?Fastreading:Secondreading:Readthetextagainandtrytofindoutthemainideaofeachparagraph.Paragraph1:

Therearenearly400typesofsharks.

Paragraph2:

Sharksdonotfeedonhumans.Paragraph3:

Therearethreetypesofsharkattacks.Paragraph4:

Anincreaseinwatersportshasledtoanincreaseinsharkattacks.Paragraph5:

Therearethreetipsonwhattodoifasharkattacks.Paragraph6:Donotbefrightenedbysharks.DetailedreadingThreefiercesharks:FillintheinformationthegreatwhitesharkthetigersharkthebullsharkDon’tswiminthedark.Don’tswimifyouarecutorifyouhaveafreshwound.Don’twearbrightclothingorjewellery.Tryandstayingroups.Fourpiecesofadvicetoavoidsharkattacks:Don’tpanic.Hitthesharkonthenose.Stickyourfingerintheshark’seye.Threetipstohelpyouifasharkattacksyou:Hehasmuch_______ofwinningthefirstprize.Thechancesareahundredtooneagainstyou,it’smost______thatyouwillsucceed.3.Whatdoesthelittledogchiefly________?chanceunlikelyfeedLanguagefocuson4.Don’thithim______head!5.Whynotwearsomeflowersinsteadof________whenyougototheball?onthejewelleryI’msureyouarecleverenoughtoworkthemout！mainlybecausetwoothersharksthechancesofbeingattacked4.comparedto5.manymorepeopleUsefulphrases6.thelownumber7.feedon8.befittodo9.waitforsbtodo10.thelattertwo11.followtheadvice12.haveafreshwound13.bemorelikelytobedeadly14.overalongdistance15.wearbrightclothingorjewellery16.hitthesharkonthenose17.stickyourfingerintheshark’seye18.30timesgreaterTypesofsharksAdviceonreducingthechancesofbeingattackedThetipstohelpyouwhenattackedPracticeSummarizethetextProducingaTVshowabouthowananimalusesitssenses.Introducingtheproject:PlanningGetintogroups(6-8).Decidewhichanimaltofocuson.Clearassignments.It’suniquesenseDecidewhattypeofshow:Adocumentary,adrama,acartoon,othershowTheanimal’snameEachmemberpicksadifferenttopictofindinformationaboutFood(whattheanimaleats)Habitat(wheretheanimallives)Size(sizeoftheanimalorpopulation)Mythsaboutthisanimal(whatpeoplethink)ClearassignmentsVisitazoo,watchananimaldocumentary,lookatbooks,surftheInternet……tofindinformationabouttheanimal.Whatiteatsandhowitfindsfoodinthewild;PreparingHowitprotectsitself;Howitcommunicateswithotheranimals;Howitattackspeopleorotheranimals(ifitdoes);Howithelpspeopleorotheranimals(ifitdoes).1.Focusyourresearchonhowyouranimalusesitssenses.2.TVisveryvisualsopicturesshouldbepresentedinaneasy-to-seeway.3.Eachmembermustworkonadifferentpartoftheshow,keepinginmindtheoveralldesign.Producing4.Everymemberhastoproofread