Protect sharks (保护鲨鱼)英语课堂演讲PPT.ppt 14页

'Weknowsolittleaboutshark……shark whaleshark(鲸鲨)whaleshark(鲸鲨) whaleshark(鲸鲨)isthemostbiggestanimalintheworld.TheycanReachlengthsofupto50feet,Thisgentlegianthassmallteethlikewhalebaleen.Buttheyfeedonplankton（浮游生物），andtheyalwaysswimextremelyslow….SoYoucandealsafelywiththem...theyneverwanttobiteyou. Hammerheadshark(锤头鲨）Theyhavegreathammerheads,andtheymayaslongas4.5meters,Hammerheadsharkareaggressivehunters,feedingonsmallerfish,octopuses(章鱼）,squid（乌贼）,andcrustaceans(甲壳类动物）.Theydonotactivelyattackpeople。 Whiteshake(大白鲨）BestknownfromthemovieJaws,thegreatwhiteisalarge,heavy-bodiedshark,about20feetlong,withlargebladeliketeeth.Widelythemost-fearedofsharks,greatwhiteattacksarerare. sharkshavebeenaroundforabout400millionyears.Theyareimportantfortheworld’senvironment.Sharksareoftenthoughtofascold-bloodedkillersthatpreyonhumans.However,theyarereallyhardlybitepeople,Thesharkmaymistakeapersonstandingorfloatinginwaterfornaturalprey.Thesharkgoesinforthekillbut,afteronetaste,usuallygivesuptheattack.Thechancesofbeingattackedbyasharkareverysmall,Infact,everyyearapersonwaskilledbysharklessthan5.apersonis30timesmorelikelytobekilledbylightningthanbyashark.Dogbitesare1,000timesmorecommonthansharkbites.Theyareincrediblyshyanimals.Itisveryhardtoapproachawhiteshark. ButpleasehavealookhowselfishweareSharkfin鱼翅---鲨鱼的痛Finning,asitiscalled,meanscuttingthefinsoffaliveshark。Infactsharkfinhasverylittlenutritionalvalue,itisjustshark’scartilage(软骨).Sharkfin--------themostcruelfood!!!!!!!!!!!! SharksarefishedfortheirfinsandShark-finsoupisapopularfoodinsomeareas.Asmanyashundredsofmillionsharkscaughteachyear,mostofthetimejusttogetthefinsformakingsharkfinsoup.Sharkwascruellykilledallaroundtheworld.Ihaveaseriousproblemwithsharkfinsoup.Fishermenslice(切下)thefinoffthesharkandtossthecreaturebackintothewatertodie.Thishappenstomillionsofsharksaroundtheworld,andsomeofthosesharkpopulationsareendangered.Sharksareindanger Imagesomeonethinksthatyourearisyummy(美味的）andsliceyourearoffandthenthrowyouintotheseatobleedtodeath.Whatisyourfeeling??????Ithinkthatisthemostcruelthingintheworld!!!!!!Pleasesavesharks!!!! Tohelpsharkwhatcanwedo??????InChina……………China"smostpopularstar,YaoMingchampionedtheprogrampledgingtoneveragaineatsharkfinsoup AndinCostaRica(哥斯达黎加)Savingsharksmeanssavingourselves Somanypeoplearehelpingsharkonearth.Iamverydelightedwithit.Ihopeeveryonedoyourbesttoprotectsharks.theyneedourhelpsomuch.weshouldrefusetoeatsharkfin.Andwhenyourrelativesorfriendswanttoeatsharkfin,stopthatasbestasyoucan.Sharkwillblessyou…………………..thanksforyourlistening!! Ifyouareaanimal-protector,oryoujustintendtoknowmoreaboutshark.Youmustseethisdocumentary----sharkwater thankyouforyourlistening!!!thankyouforyourlistening'