Unit4 Speakinga新高三英语课件 新课标 人教

Unit4SpeakingaRoseWarminguptulippeonysunflower1.Whichisyourfavorite?Why?Ilovesunflowerbestofall.Thereare,Ithink,threereasons.First,Iloveeatingtheseedsofsunflowersbecausetheyaredelicious;second,theirstemscanbeusedtobuildfencesbyfarmers;third,sunfloweroilisverypopularinourdailylife.2.Whataboutotherthreeflowers?TulipsarenativetoCentralandWesternAsia,andpartsoftheMiddleEast,roughlyintheregionnearAfghanistan.Tulipsaremainlyusedfordecoration.Treepeony,theChineseNationalFlower,nativetoChina,iscalledasthe“KingofFlowers”,

whichiswidelyusedinChinesemedicine.RoseisnativetoSouthwestAsia,andisoftenusedaspresentwiththemeaningof“love”.Also,roseflowerisakindofimportantChinesemedicine.First,putsomesoftsoilinthepotorbox.Speakingaboutprocedures

Second,puttheseedsofsoybeansonawetclothorputtheminthewater.Then,puttheseedsintothesoil.Afterseveraldays,theseedscomeintobudandoutofthesoil.Lateron,waterthemeverytwodaystillthegreenleavesgrow.Carrotsareloadedwithvitamins,andarenutritious.Ontopofbeinggoodforyou,carrotstastegood,too.Soourchoiceiscarrot.(1)Beforeplanting,workthesoildeeply.(2)Sowthemverythinly,about1/4inchdeep.CoverthemwithafinegardenOral-presentationsoil.Orsprinklethemontopofthesoil,andlightlywaterthemintothesoil.(3)Keepcarrotswellweededearlyintheseason.Theyareeasilyovercrowded,withanycompetingweedsusuallywinningout.size,thinningtherowasyouharvest.Onceyoubeginpicking,youcanharvestasneeded.(4)Begintoharvestcarrotsas““baby””Adescriptionofbasicphotosynthesis:Photosynthesisistheprocessbywhichgreen______andcertainotherorganismstransform_______energyintochemicalenergy.Duringphotosynthesisingreenplants,lightenergyiscapturedandusedplantslightTalkingtoconvert______,_______________,andmineralsintooxygenawatercarbondioxideHomeworkAskyourpar