单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,Unit2 Plant a plant,Lesson8 Why Are Plants Important?,Warm-up,1,Presentation,2,Language Points,3,Exercise,4,内容结构,Warm-up,Talk about the questions,What plants grow near your home?,Why do we need plants?,air,n.,空气，天空,shade,n.,树荫,Presentation,Learn some new words,nothing pron.没有东西，没有事情,die v.死,die-died-died,dying,energy n.能量,heat n.&v.热，加热,bamboo n.竹子,kilogram n.千克,Read together,1,Read the lesson and tick the items mentioned.,People can eat plants or use them as medicine.,Plants help make the air clean and fresh.,Many animals live in the forest.,Books,paper,pencils and erasers all come from plants.,Animals eat the fruit from the trees.,The plants cover the soil and can stop the dust.,When the weather is sunny and hot,people can sit in the shade under a tree.,The plants make everything look beautiful.,People use wood from trees to build houses and furniture.,2,Complete the passage with the correct forms of the words in the box.,There are many trees and plants.Its _ to walk in the forest.When the weather is sunny and hot,you can sit in the _ under a tree,Trees and other plants are one of our _ needs for life.Many things are made from trees and plants.Most animals live in the _ and eat the fruit from the trees.And plants _ the soil.That way,the wind and water dont carry the soil away.,basic shade forest cover pleasant,pleasant,shade,basic,forest,cover,3,Work in pairs.Think about why we need plants.Discuss it and fill in the mind map.You can use some ideas from Activity1.,Function of trees(plants),Food or medicine:_,Shelter:_,Clothing and school things:_,Environment:_,1.Donuts dont grow,on trees,!,on trees“在树上,on the tree,树本身的东西，长在树上。,in the tree,外来的东西，不是树本身的东西,Language points,例：树上有几只鸟。,There are some birds,in,the tree.,树上有很多苹果。,There are many apples,on,the tree.,看!风筝在树上。,Look!The kite is,in,the tree.,2.Then we can sit under a tree,in the shade,.,in the shade,“在阴凉处,类似短语,in the sun,in the light,在阳光下,在灯光下,3.All plants take energy from the sun and make,it into food.,makeinto,“把制成,例：我们可以把树制成纸.,We can make the tree into paper.,我们可以把棉花制成布料.,We can make cotton into cloth.,make 被动语态的短语,be made from,由(看不出原料)制成,be made of,由(看出原料)制成,be made by,被(某人)制造,be made in,在(某地)制造,4.,Without,food,they would have nothing to eat and they would die.,without,介词“没有,例：他没有吃早饭就去上学了。,He went to school without breakfast.,他没说再见就走了。,He left without saying good-bye.,Why are plants important?,Trees help_ the air.,Trees _us food.,We can _things with trees.,We can _ under a tree.,We _ books from trees.,Many animals _ in trees.,clean,give,build,sit,make,live,All plants take energy _ the sun and make it _ food.,A.to;from B.into;to C.from;to D.from;into,Exercise,2.Plants cover the soil.Then the wind and water dont carry the soil_.,A.in B.out of,C.away D.on,3.Pandas eat_.,A.pandas B.grass C.dinosaurs D.bamboo,4.I would fail_ your help.,A.in B.with,C.within D.without,Homework:,1.Finish the activity book and the practice.,2.Copy the new words and phrases twice.,