ourearthoceanslandforestWhatshouldwedoforourearth?Weshouldplantmoretrees.Whyshouldweplantmoretrees?Unit4PlantingtreesisgoodforusTreePlantingDayplanttrees(植树/种树)Whatcantreesdo?（树能做什么？）12Istheaircleaninpicture1/picture2?keeptheairclean(保持空气干净)hotcoolkeepuscool(使我们保持凉爽)maketheplacebeautiful(使这个地方变得漂亮)Trees,trees,planttrees.Clean,clean,keeptheairclean.Cool,cool,keepuscool.Beautiful,beautiful,maketheplacebeautiful.单词大比拼I.WhenisTreePlantingDay?Listentothetapeandfindouttheanswer听录音找出答案2.Wholikestoplantfruittrees?TreePlantingDayison12thMarchPeter1.小组长带领本组成员读两遍课文.2并扮演课文中的角色。一位同学读标题和旁白，一位同学扮演Anne,一位同学扮演Peter,一位同学扮演Dongdong.Homework:1.抄写B部分单词中英文各4遍；2.读PartA五遍并背诵。Howtotakecareofthetrees?小组讨论：Plantingtreescan………Report•Plantingtreesisgoodforus.•Plantingtreescan……and……….•Weshould……Whatwillhappeniftherearenotrees?ourearthEarthisouronlyhome!Report•Plantingtreesisgoodforus.•Plantingtreescan……and……….•Weshould……Whydopeoplecutdowntrees?Howwilltheweatherbe?Whatcanwedo?exercise
