幻灯片 (6).ppt

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1、UNIT 2Plant a Plant Revision v1.How many main parts do plants have?vWhat are they?v2.What do plants need to grow?Why do plants need them?v3.Do you think plants are important?Lesson 13Why Are Plants Important?Think about itv1.Are there a lot of trees where you live?v Why or why not?v2.Why do we need

2、trees?v3.What kind of things can plants do?Think about it Read the text and answer the questions.v1.What are Danny,Jenny and Brian talking about?vThey are talking about trees and the reason why we need them.v2.Donuts dont grow on trees,do they?v No,they dont.v3.Why do we need trees?v3.Why do we need

3、 trees?vClean the air.vGive us food.vMake and build things with trees.vSit under a tree in the shade.vMake books from trees.vMany animals live in trees.vCover the soil.vTake energy from the sun and make it into food.people and animals need the food to live.What is energy?Light is energy.Heat is ener

4、gy.FASCINATING FACTS Some animals eat Some animals eat only one plant.only one plant.Pandas eat Pandas eat bamboobamboo only.Big only.Big pandas eat pandas eat eighteen eighteen kilograms ofkilograms of bamboo every bamboo every day!day!Do you know the difference?v1.Its pleasant to walk among the tr

5、ees.vIm very pleased you can come.vpleasant 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。vpleased 只用于人不用于物，指某人满足了自己的愿望而感到高兴。v I sit between Danny and Jenny.vamong 一般用于三者或三者以上之中。vbetween 一般 用于两者之间。Retell the text.vTrees help_ the air.They give us _-like apples,bananas and oranges.We can _and _things with t

6、reeslike chairs,beds and houses!We can sit under a tree in the _.Plants_ the soil.Then the wind and water dont _ the soil away.All plants take _ from the sun and make it.Into food.People and other animals need the food to_.Without food,they would _.cleanfoodmakebuild shadecovercarryenergylivedieWhy

7、do we need plants?Please write three answers to this question.PRACTICE vChoose the best answwer.v1.Are there many trees_?vA.where do you live B.You live where vC.where you live D.you live there v2.Lets _trees and why we need them.vA.to talk about B.talking about C.talk at D.talk about v3.Donuts dont

8、 grow _trees.vA.in B.on C.at D.from CDB4.We make books _trees.A.from B.on C.at D.in B.5.People and other animals need food _.C.A.living B.live C.to live D.livesD.6.Miss Liu walks_the students.E.A.between B.among C.in D.forF.7.People cant live _air or water.G.A.with B.without C.in D.and ACBBWrite a diary about why we need trees.