Inwintermanyanimalsliketosleep.Buttheirsleepscanbeverylonganddeep.Thiskindofsleepiscalledhibernation(冬眠).Duringthiskindofsleeptheirtemperaturesgodownandheartsbeatslowly.Theytakeverysmallbreaths.
Animalscanhibernateforpartorallofthewinter.It'shardforthemtofindthingstoeat.Whentheygotosleeptheydon'tneedmuchfood.Bearshedgehogs(刺猬)andchipmunks(花栗鼠)gotosleepintheirhomes.Frogsandsnakeshibernatetoo.Frogsmoveintotheearthunderwatertokeepthemselveswarm.Beforetheygotosleeptheyeatalottogetfat.Somealsokeepfoodintheirhomestoeatlater.
Bearsarethebiggestanimalsthathibernate.Theyoftensleepincaves.Bearsmusteatalotofthingslikenutsbeforegoingtosleepforalongtime.Theyeatasmuchas300apples(that'sthesameas60hamburgers)eachdayformanyweeks.Theycaneatfor20hoursaday!Bearscangointoaverydeepsleep.Itcanlastfromthreemonthstohalfayear.Duringthattimetheydonoteatdrinkorgotothetoilet.Amotherbearcangivebirthtobabiesduringherhibernation.
Otheranimals▲.Sometimestheywakeuptoeatortakeawalk.Thentheygotosleepagain.
1.DuringhibernationwhichofthefollowingisNOTtrueofanimals?
A.Theirtemperaturesdrop.
B.Theirheartsbeatslowly.
C.Theytakesmallbreaths.
D.Theysleepforthewholewinter.
2.Accordingtothearticlewelearnthatbears____.
A.eat300applesalltogetherbeforehibernation
B.cangivebirthtobabiesduringhibernation
C.canwakeuptotakeawalkduringhibernation
D.eatalotevenwhentheyareinhibernation
3.Whichofthefollowingcanbeproperlyputin▲?
A.neversleep
B.sleepmore
C.sleepless
D.alwayssleep
4.Thepassageismostprobablytakenfrom____.
A.asciencemagazine
B.agovernmentinformationbooklet(小册子)
C.anadvertisement(广告)
D.apolicereport