Unit8Ilovenature!UnderstandingculturesSelf-checkFunTime课件度冀教版英语七年级下册

Understandingcultures&Self-check&FunTimeUnit8Ilovenature!UnderstandingculturesTimeontheearth1Readthepassageandwritetrue(T)orfalse(F).Ourplanetisabout4.6billionyearsold.Accordingtothelatestresearch,humansappearedonly2.5millionyearsago.Ifweshortenthisintooneday,humansappearedinthelasttwominutes.Howdidthathappen?Midnightontheearthstartedwithaburstofvolcanoes.Around3to4a.m.,lifeappearedatthebottomoftheoceans.At6p.m.,waterandsunlightbegantoprovideenergyforlife.Allkindsofplantsstartedtogrow.At9p.m.,theearthgavebirthtodifferentcreatures.At11:30p.m.,dinosaursappeared.Theywereoneofthelargestcreaturesinthehistoryoftheearth.Thelast20minutesofthedaywasthe“busiest”time:aftertheageofdinosaurs,itwastheageofallkindsofanimals,includinghumans.A

Theearthhasalonghistory.()BDinosaursarrivedlastontheearth.()TF2Readthepassageagainandcompletethetable.TimeWhathappenedmidnightburstofvolcanoesaround3to4a.m.lifeappearedatthebottomoftheoceansat6p.m.waterandsunlightprovidedenergy;TimeWhathappenedat9p.m.theearthgavebirthtodifferentcreaturesat11:30p.m.dinosaursappearedthelast20minutesofthedayallkindsofanimalsandhumansappeared.3Workinpairs.Discussthequestions.AWhat’stherelationshipbetweentheearthandhumans?Theearthisthemotherofmankind.Theearthisourcommonhome.B

Whatwillhappentotheworldinthefuture?Inthefuture,therewillbemanyplantsontheearth.Andallthehumanswillgetalongwellwithanimals.CWhatwillyoudotoprotecttheearth?Iwillprotecttheanimalsandtheenvironment.AndIwon’tthrowtherubbisheverywhere,anddon’tusedisposable（一次性的）goods.（答案不唯一）4DoyouknowWorldEarthDayisonApril22everyyear?Itisaneventthatencouragespeopletosavetheearth.Whatkindofactivitiescanyoudotohelpsavetheearth?Talkingroupsandshareyourideaswithyourclassmates.Usefulexpressions·Wecan...·Weshould...·Weshouldnot...Self-check•Icantalkabouttheimportanceofplants:•Plantscleantheair.•Theygiveusfoodlikefruitsandvegetables.•Iamawarethatsomeanimalsareendangered:•Asianelephantsareendangered.•Theybecomeendangeredbecauseofhabitatloss,pollution,andhunting.•Icanintroducewaysandtakeactiontoprotectnature.•Iunderstandtheideaofharmonybetweennatureandhumans.•Improvementneeded:FunTimeLovingnatureWitheverysunriseandsunset‘sgoldenhue,Naturewhisperslove‘smessage,ohsotrue.Themelodyofbirdsong,thedanceofastream,Love‘sharmonyinnature,likeablissfuldream.Solet‘scherishtheearth,oursacredspace,Embraceitswondersandprotecti