冀教版英语八下Unit2Lesson13

UNIT2PlantaPlantRevision1.Howmanymainpartsdoplantshave?Whatarethey?2.Whatdoplantsneedtogrow?Whydoplantsneedthem?3.Doyouthinkplantsareimportant?Lesson13WhyArePlantsImportant?Thinkaboutit1.Aretherealotoftreeswhereyoulive?Whyorwhynot?2.Whydoweneedtrees?3.Whatkindofthingscanplantsdo?ThinkaboutitReadthetextandanswerthe

questions.1.

WhatareDanny,JennyandBriantalkingabout?Theyaretalkingabouttreesandthereasonwhyweneedthem.2.Donutsdon’tgrowontrees,dothey?No,theydon’t.3.Whydoweneedtrees?3.Whydoweneedtrees?Cleantheair.Giveusfood.Makeandbuildthingswithtrees.Situnderatreeintheshade.Makebooksfromtrees.Manyanimalsliveintrees.Coverthesoil.Takeenergyfromthesunandmakeitintofood.peopleandanimalsneedthefoodtolive.Whatisenergy

?Lightisenergy.Heatisenergy.FASCINATINGFACTSSomeanimalseatonlyoneplant.Pandaseatbambooonly.Bigpandaseateighteenkilogramsofbambooeveryday!Doyouknowthedifference?1.It’spleasanttowalkamongthetrees.I’mverypleasedyoucancome.pleasant指一般性的好，强调所修饰对象所具有的品质使人觉得好玩、有趣、舒服，含有客观性。pleased只用于人不用于物，指某人满足了自己的愿望而感到高兴。

IsitbetweenDannyandJenny.among一般用于三者或三者以上之中。between一般用于两者之间。Retellthetext.

Treeshelp______theair.Theygiveus____--likeapples,bananasandoranges.Wecan______and_____thingswithtrees—likechairs,bedsandhouses!Wecansitunderatreeinthe______.Plants_______thesoil.Thenthewindandwaterdon’t_______thesoilaway.Allplantstake________fromthesunandmakeit.Intofood.Peopleandotheranimalsneedthefoodto______.Withoutfood,theywould_______.cleanfoodmakebuild

shadecovercarryenergylivedieDOWENEEDPLANTS?Whydoweneedplants?Pleasewritethreeanswerstothisquestion.

PRACTICEChoosethebestanswwer.1.Aretheremanytrees_____?A.wheredoyouliveB.YoulivewhereC.whereyouliveD.youlivethere2.Let’s______treesandwhyweneedthem.A.totalkaboutB.talkingaboutC.talkatD.talkabout3.Donutsdon’tgrow____trees.A.inB.onC.atD.from

CDB4.Wemakebooks____trees.fromB.onC.atD.in5.Peopleandotheranimalsneedfood___.A.livingB.liveC.toliveD.lives6.MissLiuwalks____thestudents.A.betweenB.amongC.inD.for7.Peoplecan’tlive_____airorwater