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1、Unit 2 Plant a Plant!Lesson 8 Why Are Plants Important? pleasant shade fulfill basic soiladj. 使人愉快的使人愉快的n. 树荫；阴凉处树荫；阴凉处v. 达到；执行达到；执行adj. 基本的；基础的基本的；基础的n. 土；土壤土；土壤Words and expressions Why do we need trees? What plants grow near your home?Lead inPlants near our homeWhy do we need trees ?(1) Clean the
2、 air. (2) Sit under a tree in the shade.(3) The trees and plants take energy from the sun and turn it into food.(4) Medicine and clothing are made from trees and plants.(5) Many animals live in the forest and eat the fruit from the trees.(6) Cover the soil. (7) Plants make everything look beautiful.
3、Danny, Jenny and Brian are walking in a forest.Jenny: I love this forest. There are so many trees and plants. The air is always clean and fresh.Brian: Yes. Trees and other plants help clean the air.Listen and read.Jenny: Thats true. Its pleasant to walk in the forest. When the weather is sunny and h
4、ot, you can sit in the shade under a tree. It s nice and cool.Danny: Im hungry! Maybe I can eat a plant. Brian: Sure, Danny! Look, there is an apple tree over there!Danny: Is there a donut tree?Brian: Donuts dont grow on trees!Jenny: Trees and other plants are important to people. They help us fulfi
5、ll our basic needs.Brian: Thats for sure. People use trees and other plants in many ways. The trees and plants take energy from the sun and turn it into food. Medicine and clothing are also made from trees and plants. Jenny: The forest is important to animals, too. Many animals live in the forest an
6、d eat the fruit from the trees. They eat other plants, too. Brian: And plants cover the soil. That way, the wind and water dont carry the soil away. Plants also make everything look beautiful. Danny: In a word, we cant live without plants!Language points1. Its pleasant to do 做做.很愉快很愉快Its pleasant to
7、 live in beautiful surroundings.生活在优美的环境里是令人愉快的。生活在优美的环境里是令人愉快的。Thats because beautiful handwriting can give someone a good impression and also its pleasant to read.这是因为美丽的笔迹，可能给别人留下良这是因为美丽的笔迹，可能给别人留下良好的印象，并且愉快的阅读。好的印象，并且愉快的阅读。pleasant 指一般性的好，强调所修饰对象指一般性的好，强调所修饰对象所具有的品质使人觉得好玩、有趣、舒所具有的品质使人觉得好玩、有趣、舒服，
8、含有客观性。服，含有客观性。We had a very pleasant time at their house last night.昨晚我们在他们家过得很愉快。昨晚我们在他们家过得很愉快。I hope you will have a pleasant holiday.我希望你过一个愉快的假日。我希望你过一个愉快的假日。pleased 只用于人，不用于物，指某人满只用于人，不用于物，指某人满足了自己的愿望而感到高兴。足了自己的愿望而感到高兴。Im very pleased you can come. 2. shade n. 树荫，阴凉处树荫，阴凉处Temperatures in the sh
9、ade can reachforty-eight degrees at this time of year. 一年中的这个时候，阴凉处的温度能达一年中的这个时候，阴凉处的温度能达到到48摄氏度。摄氏度。What a pleasant shade these trees give us!这些树底下多么阴凉舒服呀这些树底下多么阴凉舒服呀!3. fulfill v. 达到，实现，执行达到，实现，执行We must fulfill the plan, whatever happens.无论如何无论如何要要完成计划。完成计划。What important dream have you yet to re
10、alize and fulfill?你有什么重要的梦想还没有实现和完成？你有什么重要的梦想还没有实现和完成？fulfill ones needs 满足某人的需要满足某人的需要The earth help human beings fulfill their basic needs.地球帮助人类实现最基本的需求。地球帮助人类实现最基本的需求。4. take energy from 从从获取能量获取能量All plants and animals take energy fromthe sun.所有的动植物都从太阳获取能量。所有的动植物都从太阳获取能量。People must take energ
11、y from food.人必须从食物中获取能量。人必须从食物中获取能量。5. be made from 由由制成制成The house is made from steel.房子是由钢铁制成的。房子是由钢铁制成的。The paper is made from wood.纸是树木做的。纸是树木做的。Cloth made from silk is famous for itslightness and beauty. 丝绸以轻而美著称。丝绸以轻而美著称。6. carry away 把把搬（移）走搬（移）走The flood carried away the wooden bridge. 洪水把木桥
12、冲走了。洪水把木桥冲走了。拓展：拓展：carry off 轻而易举地完成轻而易举地完成 carry out 执行执行 carry forward 发扬，推进发扬，推进We will carry the enterprise forward. 我们将要推进企业的发展。我们将要推进企业的发展。The politicians successful speech carried him forward. 那个政治家成功的演讲使他名声大振。那个政治家成功的演讲使他名声大振。Its a demanding role, but Im sure shell be able to carry it off. 这
13、是一个富有挑战性的角色，但是我肯定这是一个富有挑战性的角色，但是我肯定她能胜任。她能胜任。It wont be an easy plan to carry out.那并不是一项容易实施的计划。那并不是一项容易实施的计划。7. in a word 总之，一句话总之，一句话In a word, he tires of everything.简言之，简言之， 他对一切都感到厌倦了。他对一切都感到厌倦了。In a word, they can do everything they like with money.总之，他们用金钱能做到他们喜欢做的总之，他们用金钱能做到他们喜欢做的一切。一切。In a
14、word, I love my school. I find my school life more and more meaningful and colorful. 总之，我爱我的学校，我发现学校生活越总之，我爱我的学校，我发现学校生活越来越有意义和多姿多彩。来越有意义和多姿多彩。8. 主语主语+ cantwithout 没有没有不能不能 Fish cant live without water.鱼没有水不能活。鱼没有水不能活。 I cant succeed without your support.没有你的支持，我不可能成功。没有你的支持，我不可能成功。We cannot exist w
15、ithout air, food and water.我们没有空气、食物和水就不能生存。我们没有空气、食物和水就不能生存。1. People can eat plants or use them as medicine.2. Plants help make the air clean and fresh.3. Many animals live in the forest.Lets Do It! Read the lesson and tick the items mentioned1 14. Books, paper, pencils and erasers all come from p
16、lants.5. Animals eat the fruit from the trees.6. The plants cover the soil and can stop the dust.7. When the weather is sunny and hot, people can sit in the shade under a tree.8. The plants make everything look beautiful.9. People use wood from trees to build houses and furniture.basic shade forest
17、cover pleasantThere are many trees and plants. Its _to walk in the forest. When the weather is sunny and hot, you can sit in pleasant Complete the passage with the correct forms of the words in the box.2 2the_ under a tree. Trees and other plants are our _ needs for life. Many things are made from t
18、rees and plants. shadebasicMost 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.forestcover take energy from in a word be made from Its pleasant to do fulfill ones needs carry away从从获取能量获取能量总之，一句话总之，一句话由由制成制成做做很愉快很愉快
19、满足满足的需求的需求把把搬（移）走搬（移）走ExercisesMultiple choice 1. All plants take energy _ the sun and make it _ food. A. to; from B. into; to C. from; to D. from; into2. Plants cover the soil. Then the wind and water dont carry the soil _. A. in B. out of C. away D. on3. Are there many trees_? A. where do you live
20、 B. you live where C. where you live D. you live there 4. Lets _ trees and the reason why we need them. A. to talk about B. talking about C. talk at D. talk about5. Donuts dont grow _ trees! A. in B. on C. at D. in 6. Can you see seven monkeys _ the tree. A. on B. in C. of D. above 7. The desks are
21、made _ wood. A. in B. from C. into D. of8. We make books _ trees. A. from B. on C. at D. in 9. People and other animals need food _. A. living B. live C. to live D. lives10. Miss Liu walks _ these students. A. between B. among C. in D. for11. People cant live _ air or water. A. with B. without C. in
22、 D. and 1. Trade _(有助于有助于) the development of industry. 2. Its _(愉快的愉快的) to climb mountain.3. _(没有没有) food, they would have nothing to eat and they would die.Fill in the blankshelpsWithoutpleasant4. We can sit in the _ (树荫树荫)under the tree. 5. Trees and plants help us _(满足满足) our basic needs. 6. We
23、can turn the tree _ paper.7. Other structures will be _ _ (由由制成制成)high tech materials called memory metals. shadefulfillintomade from8. _ a word, we cant live without the sun.9. Dinosaurs need a lot food _ _ (生存生存).10. Floods can _ _(冲走冲走) trees, hillsides, cars and even houses. to liveIncarry awayWork in pairs. Think about why we need plants. Discuss it and fill in the mind map. You can use some ideas from Activity 1.HomeworkThank you!
