Lesson8_精品课件.ppt

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1、初中英语冀教版八年级下初中英语冀教版八年级下Unit2 Plant a plantLesson8 Why Are Plants Important?Warm-up1Presentation2Language Points3Exercise4内容结构内容结构Warm-upTalk about the questionsWhat plants grow near your home?Why do we need plants?air n. 空气，天空空气，天空shade n. 树荫树荫PresentationLearn some new wordsnothing pron. 没有东西，没有事情没有

2、东西，没有事情die v. 死死 （die-died-died, dying）energy n. 能量能量heat n.&v. 热，加热热，加热bamboo n. 竹子竹子kilogram n. 千克千克 Read together1Read 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, penci

3、ls 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.2Com

4、plete 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. Mos

5、t 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 pleasantpleasantshadebasicforestcover3Work in pairs. Think about why we need plants. Discuss it and fill in the mind map. You can use some i

6、deas from Activity1.Function of trees (plants)Food or medicine:_Shelter:_Clothing and school things:_Environment:_1. Donuts dont grow on trees! on trees “在树上在树上”on the tree树本身的东西，长在树上。树本身的东西，长在树上。 in the tree 外来的东西，不是树本身的东西外来的东西，不是树本身的东西 Language points例：树上有几只鸟。例：树上有几只鸟。 There are some birds in the

7、tree.树上有很多苹果。树上有很多苹果。There are many apples on the tree. 看看! 风筝在树上。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“在阴凉处在阴凉处”类似短语类似短语 in the sunin the light 在阳光下在阳光下在灯光下在灯光下 3. All plants take energy from the sun and make it into food.makeinto “把把制成制成”例：

8、我们可以把树制成纸例：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 被动语态的短语被动语态的短语be made from由由(看不出原料看不出原料)制成制成be made of 由由(看出原料看出原料)制成制成be made by 被被(某人某人)制造制造 be made in 在在(某地某地)制造制造4.Without food, they would have nothing to eat and they would die.

9、without介词介词“没有没有”例：他没有吃早饭就去上学了。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。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.cleangi

10、vebuild sit makelive1. All plants take energy _ the sun and make it _ food. A. to; from B. into; to C. from; to D. from; intoExercise2. Plants cover the soil. Then the wind and water dont carry the soil_. A. in B. out of C. away D. on3. Pandas eat_. A. pandas B. grass C. dinosaurs D. bamboo4. I would fail_ your help. A. in B. with C. within D. withoutHomework:1.Finish the activity book and the practice.2.Copy the new words and phrases twice.