Unit112shark3Unit1ProjectProducingaTVshow45sharkpigeon61.Howmanydifferenttypesofsharksarethereintheocean?2.Whatisthemostdangerousshark?3.Whyisthenumberofsharkattacksincreasing?71.Howmanydifferenttypesofsharksarethereintheocean?2.Whatisthemostdangerousshark?3.Whyisthenumberofsharkattacksincreasing?Nearly400.Thegreatwhiteshark.Becausewatersportsarebecomingmorepopular.8ReadText1carefullyandfinishtheform.Detailreading910The

BestPicture1112TheBestShortFilm(Animated)最佳動(dòng)畫(huà)短片13141.Whathappenedtothesoldiersthatnight?2.Whywerepigeonsusedinancienttimetocarrythenewsoreventhemail?3.Howdopigeonsfindtheirway?151.Whathappenedtothesoldiersthatnight?Theywerebeingattacked.2.Whywerepigeonsusedinancienttimestocarrythenewsoreventhemail?Becausepigeonshaveagoodsenseofdirectionandcanfindtheirwayoverlongdistances.163.Howdopigeonsfindtheirway?Pigeonsappeartohaveacompassinsidethemthattellsthemwhichwayisnorth,theyalsoappeartousetheirsightandeventheirsenseofsmelltotellthemwhichwaytheyshouldgo.17Readagainandfillintheblanks.

Itwasaquietnight.Thesoldierswereasleepwhileaguardwatchedfortheenemy.Suddenly,withaflashandthesoundsofguns,hundredsofenemysoldiersrushed(1)_______them.Whatshouldtheydo?Anofficerquicklywroteashortmessage,(2)_____upthepaperandattachedittoapigeon’sleg,thensetthebird(3)_____.towardsrolledloose18Thoughitmayseemhardtobelieve,pigeonshaveawonderfulsenseof(4)_____andcanfindtheirwayhomeoverlong(5)______.Why？Becausepigeonsappeartohavea(6)________insidethemthattellsthemwhichwayisnorth.Inaddition,theyalsoappeartousetheir(7)_____andeventheirsenseof(8)_____totellthemwhichwaytheyshouldgo.(9)______humans,theynever(10)_____lost.directiondistancescompasssightsmellUnlikeget19Contrarytowhatmanypeoplemightassume,evidenceshowsthatsharksseldomattackhumans.(L11-13)

與很多人想法相反，證據(jù)表明鯊魚(yú)很少攻擊人類(lèi)。Languagepoints201.contrary

1)adj.

相反的(常與介詞to連用）2)

n.

相反的事實(shí)或情況▲onthecontrary恰恰相反

ContrarytowhatIthought,sheprovedtobesuccessful.--Youmustbetiredafterfourhours’learning.--No.Onthecontrary,Ifeelenergetic.21Practice事實(shí)上，他的觀點(diǎn)和我的相反。

Infact,hisview_________________mine.2.他一點(diǎn)兒都不惱火，相反，他很高興能被別人理解。Hewasn’tannoyedatall._____________,hewasgladtobeabletomakehimselfunderstood.iscontrarytoOnthecontrary22

Inthemaintype,thesharkattacksyoubecauseitmistakesyouforafish,butwhenittasteshumanfleshitdecidestogiveupandswimaway.Inthesecondtype,thesharkpushesyouwithitsnosetofindoutifyouarefittobeeaten,andthenbitesyouifitthinksyouare.Inthethirdtype,thesharkwaitsforyoutoswimby,andthenattacksyousuddenly.Thelasttwotypesofattackmoreoftenresultinthedeathofhumans.23Toreducetheriskofasharkattack,youshouldfollowthesesuggestions.24?Donotswiminthedark.Sharkscanstillseeyoubutyoucannotseethem.?Donotgoswimmingintheoceanifyouhaveafreshwound.Sharkscansmellbloodoveralongdistance.?Donotwearbrightclothingorjewellery,becausesharksareattractedtocoloursandbrightobjects.?Stayingroups,assharksusuallyavoidlargenumbersofpeople.252.attract

vt.吸引，使喜愛(ài)；引起……的好感（或愛(ài)慕）Hewasattractedbyhersmile.TheTVshowIamasingerhasattractedalotofattention.▲attractive吸引人的；漂亮的，性感的26

Recently,sharkattackshavebeenincreasingaswatersportsarebecomingmorepopular.Ifasharkattacksyou,trysomeofthefollowingtipstohelpyou.?Keepcalm.Donotpanic.?Hitthesharkonthenosewithyourfist.?Stickyourfingerintheshark'seye.27Don'tbefrightenedbysharks:youare30timesmorelikely

tobehitbylightningthanbeattackedbyashark.283.倍數(shù)的表達(dá)法有三種：①A+謂語(yǔ)+倍數(shù)詞+adj./adv.的比較級(jí)+than+BTheboxisfivetimesbiggerthanthatone.②A+謂語(yǔ)+倍數(shù)詞+as+adj./adv.的原級(jí)+as+BAsiaisaboutfourtimesaslargeasEurope.③A+謂語(yǔ)+倍數(shù)+the+度量名詞+of+B(size/length/width/height/weight/number/amount等）Theearthisabout49timesthesizeofthemoon.【翻譯】這根繩子長(zhǎng)度是那根繩子的三倍。291.It’ssaidthatthepowerplantisnow________largeaswhatitwas.A.twiceasB.astwiceC.twicemuchD.muchtwice2.ThenewstadiumbeingbuiltforthenextAsianGameswillbe______thepresentone.A.asthreetimesbigasB.threetimesasbigasC.asbigasthreetimesD.asbigthreetimesas304.likelyadj.很可能的1）belikelytodosth.Lookatthesky.It’slikelytorain.

2)Itislikely+that從句Anothertrafficjam!It’slikelythatwe’llbelateagain.31Itisnight.Allisquiet.Thesoldiersareasleepwhileaguardwatchesfortheenemy.Thereisaflash,andthesoundofguns!Theyarebeingattacked!萬(wàn)籟俱寂的夜晚。除了一名哨兵在站崗放哨，所有士兵都在夢(mèng)鄉(xiāng)。突然一道閃光，槍聲四起！他們?cè)獾焦袅恕?2Theyareallgoingtobekilledunlesstheygethelp.Whatshouldtheydo?Anofficerwritesashortmessagequicklyonasmallpieceofpaper:'Beingattacked!Hurry!'Herollsupthepaperandputsitintoasmallcase,andthenreachesintoacageandgetsabird.Attachingthemessagetoitsleg,hesetsthebirdloose.Itimmediatelyfliesintotheairanddisappearsinthedark.Willthebirdarriveintime?Willtheybesaved?33

Thoughitmayseemhardtobelieve,thebirdtheofficerusesisthesamebirdoftenseeninpublicparks-thepigeon.Pigeonshaveawonderfulsenseofdirectionandcanfindtheirwayhomeoverlongdistances.Indeed,pigeonshavebeenknowntoflyhomefromasfarawayas1,800kilometres.Thatiswhypigeonshavebeenusedsinceancienttimestocarrythenewsoreventhemail.

34However,itwasinwarthattheyfoundtheirgreatestuse.DuringbothWorldWarIandII,pigeonswereemployedbyarmiestocarrymessagestoandfromthefrontlines,savingthelivesofmanysoldiersandevenhelpingwithsomeimportantvictories.355.However,itwasinwarthattheyfoundtheirgreatestuse.強(qiáng)調(diào)句型：Itis/was+被強(qiáng)調(diào)部分+that/who+其他部分Itwasmymotherwhomadethedecision.Itwasin1906thatYaliwasfounded.【練習(xí)】Itwastheculture,ratherthanthelanguage,______madeithardforhimtoadapttothenewenvironmentabroad.A.whereB.whyC.thatD.what5.However,itwasinwarthattheyfoundtheirgreatestuse.（L16)363710AmazingfactsaboutpigeonsPigeonsaretheonlybirdintheworldthatdonothavetolifttheirheadtoswallowwater.Pigeonspairandmateforlife,unlessseparated.Afullgrownpigeonhasabout10,000feathers.384.Thepigeoncanbeatitswingsupto10timespersecond,whilemaintainingaheartrateof600beatsperminuteupto16hourswithoutrest.5.Pigeonsareoneofthemostintelligentbird,theyhavecapabilitytoselfrecognizeinthemirror.10Amazingfactsaboutpigeons396.Pigeonshavebuiltinmagneticcompass.TheyalsouseSun’spositionstoreachthedestination.7.Pigeonshaveavisualmemorythatcanstoreatleast300objectsorimagesindefinitely.10Amazingfactsaboutpigeons408.Duringbreedingseason,whentherearemorebabiesonthefloor,allparentswillfeedallbabies,eveniftheyarenottheirown.9.TherearemorethanAMILLIONfanciersaroundtheworldthatbreedpigeons.10Amazingfactsaboutpigeons4110.Pigeonsachieved98%successrateinthemissionsflowninWorldWarII,despiteenemyfire,andoftenwithmortalinjuriestothemselves.10Amazingfactsaboutpigeons42DuringbothWorldWarIandII,pigeonswereemployedbyarmiestocarrymessagestoandfromthefrontlines,savingthelivesofmanysoldiersandevenhelpingwithsomeimp