中学生百科英语第一册Unit1lesson5VIP免费

页眉内容Unit1Lesson1（01）ThekiwiThekiwilivesonlyinNewZealand.Itisaverystrangebirdbecauseitcannotfly.Thekiwiisthesamesizeasachicken.Ithasnowingsortail.Itdoesnothavefeatherslikeotherbirds.Itsfeatherslooklikehair.Eachfoothasfourtoes.Itsbeakisverylong.Akiwilikestohavealotoftreesaroundit.Itsleepsduringthedaybecausethesunlighthurtsitseyes.Itcansmellthingsverywell.Itsmellsthingsbetterthanmostbirdsdo.Thekiwi’seggsareverybig.ThereareonlyafewkiwisintheNewZealandnow.Peopledonotoftenseethem.Thegovernmentsaysthatpeoplecannotkillkiwis.NewZealanderswanttheirkiwistolive.ThereisapictureofkiwionNewZealandmoney.PeoplefromNewZealandaresometimescalled“kiwis”(147words)Unit1Lesson2（02）TheCamelThecamelcangowithoutwaterforalongtime.Somepeoplethinkitstorewaterinitshump.Thisisnottrue.Itstoresfoodinitshump.Thecamel’sbodychangesthefoodintofat.Thenitstoresthefatintoits页眉内容hump.Itdoesn’tstorethefatalloveritsbody.Fatalloverananimal’sbodykeepstheanimalwarm.Camelsliveinthedesert.Theydonotwanttobewarmduringtheday.Thedesertisveryhot.Thecamelgetshotterandhotterduringtheday.Itstorestheheatinitsbodybecausethenightsarecool.TheArabiancamelhasonehump.TheBactriancamelofCentralAsiahastwohumps.Italsohaslong,thickhairbecausewintersarecoldinCentreAsia.Thereisalotofsandinthedesert.Thecamelhaslongeyelashes.Theeyelasheskeepthesandoutofthecamel’seyes.Arabichasabout150wordstodescribeacamel.ManypeoplewhospeakArabicneedallthesewordsbecausethecamelisveryimportanttothem.(185words)Unit1Lesson3（03）ThePolarBearThepolarbearisaverybigwhitebear.WecallitthepolarbearbecauseitlivesinsidetheArcticCircleneartheNorthPole.TherearenopolarbearsattheSouthPole.Thepolarbearlivesinthesnowandice.AttheNorthPole,thereisonlysnow,ice,andwater.Thereisnotanyland.页眉内容Peoplecannotseethepolarbearinthesnowverywellbecauseitscoatisyellow-white.IthasaverywarmcoatbecausetheweatheriscoldnorthoftheArcticCircle.Thisbearisthreemeterslong,anditweighs450kilos(kilograms).Itcanstanduponitsbacklegsbecauseithasverywidefeet.Itcanuseitsfrontlegslikearms.Thepolarbearcanswimverywell.Itcanswim120kilometersoutintothewater.Itcatchesfishandseaanimalsforfood.Itgoesintotheseawhenitisafraid.Somepeoplewanttokillthepolarbearforitsbeautifulwhitecoat.ThegovernmentsoftheUnitedStatesandRussiasaythatnoonecankillpolarbearsnow.Theydonotwantallofthesebeautifulanimalstodie.(200words)Unit1Lesson4（04）TheHippopotamusThehippopotamus,orhippo,livesinthehotpartofAfrica.Itisamammal.Thatis,itsbabiesarebornalive,andtheydrinkmilkfromthemother'sbody.Thehippopotamusisalargeanimal.Itweighsfourtons.Itsstomachissevenmeterslong,anditeatsonlyplants.Itisamammal,butitspendsalotoftimeinthewater.Duringtheday,itsleepsbesideariveroralake.Sometimesitwakesup.Thenitgoesunderthewatertogetsomeplants页眉内容forfood.Itcancloseitsnoseandstayunderwaterfortenminutes.Itsears,eyes,andnosearehighuponitshead.Itcanstaywithitsbodyunderthewaterandonlyitsears,eyes,andnoseabovethewater.Thenitcanbreathetheair.Atnight,thehippowalksonthelandandlooksforfood.Itnevergoesveryfarfromthewater.Ababyhippooftenstandsonitsmother’sback.Themotherlooksforfoodunderwater.Thebabyridesonherbackabovethewater.(184words)Unit1Lesson5（05）TheDolphinCandolphinstalk?Maybetheycan'ttalkwithwords,buttheytalkwithsounds.Theyshowtheirfeelingswithsounds.Dolphinstravelinagroup.Wecallagroupoffisha"school."Theydon'tstudy,buttheytraveltogether.Dolphinsaremammals,notfish,buttheyswimtogetherinaschool.Dolphinstalktotheotherdolphinsintheschool.Theygiveinformation.Theytellwhentheyarehappyorsadorafraid.Theysay"Welcome"whenadolphincomesbacktotheschool.Theytalkwhentheyplay.Theymakeafewsoundsabovewater.Theymakemanymoresoundsunderwater.Peoplecannothearthesesoundsbecausethesoundsarevery,veryhigh.Scientistsmaketapes页眉内容ofthesoundsandstudythem.Sometimespeoplecatchdolphinsforalargeaquarium.(Anaquariumisazooforfish.)Peoplecanwatchthedolphinsinashow.Dolphinsdon'tliketobeawayfromtheirschoolinanaquarium.Theyaresadandlonely.Therearemanystoriesaboutdolphins.Theyhelppeople.Sometimestheysavesomebody'slife.Dolphinmeatisgood,butpeopledon'tliketokillthem.Theysaythatdolphinsbringgoodluck.Manypeoplebelievethis.(201words)