Module6AnimalinDangerPartOne:TeachingDesignPeriod4:ReadingandwritingGoals●TolearntoreadandwriteaboutanimalsProcedures▇ReadingfastfactsaboutanimalsIamsureallofyouarefondofanimals.Buthowmuchdoyouknowaboutthem?Herearesomeinterestingfactsaboutthem.Readtheminpairs.Isaworldpopulationof6billiontoomany?Comparethatwithanimals.Therearemorethanamillionanimalspecies.Thereare6,000speciesofreptiles,73,000kindsofspiders,and3,000typesoflice.Foreachpersonthereisabout200millioninsects.The4,600kindsofmammalsrepresentamere0,3%ofanimalsandthe9000kindsofbirdsonly0,7%.Themostnumerousbirdspecieisthered-billedqueleaofsouthernAfrica.Thereareanestimated100trillionofthem.1.Mammalsaretheonlyanimalswithflapsaroundtheears.2.Africanelephantsonlyhavefourteethtochewtheirfoodwith.3.Thereareaboutonebillioncattleintheworldofwhich200millionareinIndia.4.Ahouseflylivesonly14days.5.Adogwasthefirstinspaceandasheep,aduckandaroosterthefirsttoflyinahotairballoon.6.TheoldestbreedofdogistheSaluki.7.ThebeehummingbirdofCubaisthesmallestbirdintheworld.8.Anostrichcanrunupto70km/h(43mph).9.Anannoyedcamelwillspitataperson.10.Theworld'ssmallestdogistheChihuahua,whichmeans"tinydoginthesky."11.Peacrabs(thesizeofapea)arethesmallestcrabsintheworld.12.75%ofwildbirdsdiebeforetheyare6monthsold.用心爱心专心116号编辑13.ThepigisratedthefourthmostintelligentanimalbutarementionedonlytwiceintheBible14.Sheeparementioned45timesandgoats88timesintheBible.15.Porkistheworld'smostwidely-eatenmeat.16.InDenmarktherearetwiceasmanypigsaspeople.17.Dinosaursdidnoteatgrass:thereweren'tanyatthattime.18.Thecoyoteisamemberofthedogfamilyanditsscientificname,"canislatrans"meansbarkingdog.19.Agiraffecancleanitsearswithits50cm(20in)tongue.20.Agroupofgeeseonthegroundisagaggle-agroupofgeeseintheairisaskein.More21.TheSouthAmericangiantanteatereatsmorethan30,000antsaday.22.Itisimpossibletoout-swimashark-sharksreachspeedsof70km/h(44mph).Humanscanrunabout35km/h(21mph).23.Thesailfishisthefastestswimmer,reaching109km/h(68mph).24.TheslowestfishistheSeaHorse,whichmovesalongatabout0.016km/h(0.01mph).25.Dolphinscanreach60km/h(37mph).26.Ofthe650typesofleeches,onlytheHirudomedicinalisisusedformedicaltreatments.27.Theheartofabluewhaleisthesizeofasmallcar.28.Thetongueofabluewhaleisaslongasanelephant.29.Thescalesofacrocodilearemadeofceratin,thesamesubstancethathoovesandfingernailsaremadeof.30.Acrocodile'stongueisattachedtotheroofofitsmouthandcannotmoveit.31.Asnailhastwopairsoftentaclesonitshead.Onepairislongerthantheotherandhousestheeyes.Theshorterpairisusedforsmellingandfeelingitswayaround.32.Theheaviestcrustaceaneverfoundwasalobsterweighing19kg(42lb),caughtin1934.33.Thelargestjellyfishevercaughtmeasured2,3m(7'6")acrossthebellwithatentacleof36m(120ft)long.34.ThelargestgiantsquideverrecordedwascapturedintheNorthAtlanticin1878.Itweighed4tons.Itstentaclesmeasured10m(35ft)long.35.Thegiantsquidhasthebiggesteyesofanyanimal:itseyesmeasure40cm(16in)indiameter.36.Domesticcatspurratabout26cyclespersecond,thesamefrequencyasanidlingdiesel用心爱心专心116号编辑engine.37.Sharksareimmunetoallknowndiseases.38.Sharksandraysalsosharethesamekindofskin:insteadofscales,theyhavesmalltooth-likespikescalleddenticles.Thespikesaresosharpthatsharkskinhaslongbeenusedassandpaper.39.Animalsalsoareeitherright-handedorleft-handed.Polarbearsareleft-handed-andsoisKermittheFrog.40.Thereare701typesofpurebr...
