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1、Weknowsolittleaboutshark……sharkwhaleshark(鲸鲨)whaleshark(鲸鲨)whaleshark(鲸鲨)isthemostbiggestanimalintheworld.TheycanReachlengthsofupto50feet,Thisgentlegianthassmallteethlikewhalebaleen.Buttheyfeedonplankton(浮游生物),andtheyalwaysswimextremelyslow….SoYoucandealsafelywiththe
2、m...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)Bestknownfromthemov
3、ieJaws,thegreatwhiteisalarge,heavy-bodiedshark,about20feetlong,withlargebladeliketeeth.Widelythemost-fearedofsharks,greatwhiteattacksarerare.sharkshavebeenaroundforabout400millionyears.Theyareimportantfortheworld’senvironment.Sharksareoftenthoughtofascold-bloodedkill
4、ersthatpreyonhumans.However,theyarereallyhardlybitepeople,Thesharkmaymistakeapersonstandingorfloatinginwaterfornaturalprey.Thesharkgoesinforthekillbut,afteronetaste,usuallygivesuptheattack.Thechancesofbeingattackedbyasharkareverysmall,Infact,everyyearapersonwaskilled
5、bysharklessthan5.apersonis30timesmorelikelytobekilledbylightningthanbyashark.Dogbitesare1,000timesmorecommonthansharkbites.Theyareincrediblyshyanimals.Itisveryhardtoapproachawhiteshark.ButpleasehavealookhowselfishweareSharkfin鱼翅---鲨鱼的痛Finning,asitiscalled,meanscuttin
6、gthefinsoffaliveshark。Infactsharkfinhasverylittlenutritionalvalue,itisjustshark’scartilage(软骨).Sharkfin--------themostcruelfood!!!!!!!!!!!!SharksarefishedfortheirfinsandShark-finsoupisapopularfoodinsomeareas.Asmanyashundredsofmillionsharkscaughteachyear,mostofthetime
7、justtogetthefinsformakingsharkfinsoup.Sharkwascruellykilledallaroundtheworld.Ihaveaseriousproblemwithsharkfinsoup.Fishermenslice(切下)thefinoffthesharkandtossthecreaturebackintothewatertodie.Thishappenstomillionsofsharksaroundtheworld,andsomeofthosesharkpopulationsaree
8、ndangered.SharksareindangerImagesomeonethinksthatyourearisyummy(美味的)andsliceyourearoffandthenthrowyouintotheseatobleedtodeath.Whati