1、Unit 1 Home sweet home Lesson 6填一填，补一补The Earth is home to(全部的)of us.Lets take of the Earth.allWho lives on the Earth?People,(动物)and(植物)live on the Earth.animalsplants(空气)is important to all of us.Lets keep the air clean.AirWho needs air?(人),animals and plants need air.People(例如),grass grows.For exa
2、mple(兔子)eat the grass.Foxes eat the rabbits.RabbitsPigs eat the(胡萝卜).Tigers eat the pigs.carrotsneedneedneedneed一、need表示“需要”或“必须”,通常用于否定句和疑问句.例如：You neednt do it again你不需要再做了.Need he do this homework first?他需要先做这些作业吗?二、在否定句中,可以用need的否定形式不定式完成体.例如：We neednt have worried其实我们不必要慌.三、neednt后的不定式间或也能用进行式或
3、被动语态.例如：He neednt be standing in the rain他不必要站在雨中.读一读people 人animals 动物plants 植物the Earth/Earth 地球air 空气for example例如all全部的，所有的练一练()live on the Earth？A.Who B.How C.What()Letsof the Earth.A.take B.taking C.took()Air important to all of us.A.is B.are c.wasAAAPLAY做个小游戏用图中的物体说出以下句型eat.Mouse eat the nuts.Cat eat the mouse.Pig eat the carrots.Tiger eat the pig.Rabbits eat the grass.你学会了吗？Thank you！Goodbye
