1、学练优九年级英语（JJ）教学课件,八年级英语（JJ下）教学课件,Lesson 8: Why Are PlantsImportant?,Unit 2,1. Be able to use the words: pleasant, shade, fulfill, basic, soil, so many, in the shade, over there, in many ways, take energy from., be made from, carry away, look beautiful, in a word 2. To learn about the important of tre
2、es and some functions of them,Learning Targets,3. To learn some key sentences: When the weather is sunny and hot, you can sit in theshade under a tree. They help us fulfill our basic needs. The trees and plants take energy from the sun and turn itinto food. .,Words and expressions,pleasant shade ful
3、fill basic soil,adj. 使人愉快的 n. 树荫；阴凉处 v. 达到；执行 adj. 基本的；基础的 n. 土；土壤,What kind of plant do you like?,I like .trees, and I also like sun flowers.,Lead in,What plants grow near your home?,There are many tall trees and beautifulflowers.,THINK ABOUT IT,Why do we need trees ? (1) Tree can clean the air. (2
4、) We can 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.,Danny, Jenny and Brian are walking in a
5、 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. Jenny: Thats true. Its pleasant to walk in the forest. When the weather is sunny and hot, you can sit in the shade under a tree. It s nice
6、and cool.,Listen and read.,Presentation,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 fulfill our basic needs.
7、 Brian: Thats for sure. People use trees and otherplants in many ways. The trees and plants take energy from the sun and turn it intofood. Medicine and clothing are,also made from trees and plants. Jenny: The forest is important to animals, too. Many animals live in the forest and eat the fruit from
8、 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 lookbeautiful. Danny: In a word, we cant live without plants!,Worker: Exactly. A lot of rich lands in the northernarea have turned into desert.
9、 Li Ming: I suppose tree planting is very important work. Wang Mei: For sure. I really like this project. Its also a great way to learn about nature. Worker: Yes. Its fun and important to plant plants. Oh, and please remember to put a little water in the bottom of the hole.,Lets Do It!,1. People can
10、 eat plants or use them as medicine.,2. Plants help make the air clean and fresh.,3. Many animals live in the forest.,Read the lesson and tick the items mentioned,1,4. Books, paper, pencils and erasers all come from plants.,5. Animals eat the fruit from the trees.,6. The plants cover the soil and ca
11、n 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 andfurniture.,basic shade forest cover pleasant,There are many trees and plants. Its _to walk in the forest. Wh
12、en the weather is sunny and hot, you can sit in the_ under a tree. Trees and other plants are our _ needs for life. Many things are made from trees and plants.,pleasant,Complete the passage with the correct forms of the words in the box.,2,shade,basic,Most animals live in the _and eat the fruit from
13、 the trees. And plants _ the soil. That way, the wind and water dont carry the soil away.,forest,cover,take energy fromin a wordbe made fromIts pleasant to do fulfill ones needscarry away,从获取能量 总之，一句话 由制成 做很愉快 满足的需求 把搬（移）走,Time for Reflection,Work in pairs. Think about why we need plants. Discuss it
14、 and fill in the mind map. You can use some ideas from Acticity 1.,3,Food or medicine: 1. People can eat plantsOr use them as medicine. 2. Animals eat the fruitsfrom the trees.,Shelter: 1.Many animals live inthe forest. 2.People use wood from trees to build houses and furniture.,Clothing and school
15、things: 1.People can make clothingfrom plants 2.Books,papers,pencils anderasers all come from plants,Environment: 1.Plants help make theair clean and fresh. 2.The plants cover thesoil and can stop thedust.,Functions of trees (plants),1. There are so many trees and plants.so adv.如此；这么。用法： so many/muc
16、h/few/little名词 表示“如此多/少的” 其中，many/few修饰可数名词复数，much/little修饰不可数名词。例：Its hard to believe that he has made so much progress.难以置信他取得如此大的进步。,Language points, so形容词/副词。 例：Its so cold today.今天天气真冷。 so形容词a/an可数名词单数。它可与 “sucha/an形容词可数名词单数” 进行句型转换。 例：She is so beautiful a girl.=She is such a beautiful girl.她是
17、如此美丽的一个女孩。,2. Its pleasant to walk in the forest. 固定句式：Its pleasant to do sth.意为“做是令人愉快的/惬意的”。 例：Its pleasant to swim in the river in summer.夏天在河里游泳是令人愉快的。 Its pleasant to talk with our friends. 和朋友一起聊天很愉快。,3.When the weather is sunny and hot，you can sit in the shade under a tree. in the shade 在树阴下；
18、在阴凉处。 例：Some girls are playing games in the shade. 一些女孩正在树阴下玩游戏。 Temperatures in the shade can reach eighteen degrees at this time of a year. 一年中的这个时候，阴凉处的温度能达到18摄氏度。,4.They help us fulfill our basic needs. （1）fulfill v. 达到，实现，执行 例：We must fulfill the plan, whatever happens. 我们无论如何都要完成计划。 What impor
19、tant dream have you yet to realize and fulfill? 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 The earth help human beings fulfill their basic needs. 地球帮助人类实现最基本的需求。,（2）basic adj.基本的；基础的。它在句中可作定语或表语， 常与介词to连用。 例：These are the basic rules of playing basketball.这些是打篮球的基本规则。 Drums are basic to African m
20、usic. 鼓是非洲音乐的基本乐器。,5. The trees and plants take energy from the sun and turn it into food. (1)takefrom 从获取 from是介词，后面可接名词、代词或动名词。 例：We can take energy from the food and drinks.我们能从食物和饮料中获取能量。 (2)turninto意为“把变成” 例：The man turns the tree into a tower. 这个人把这棵树变成了一座塔。,6. In a word, we cant live without
21、plants！ in a word 总之，一句话。常放在句首表示归纳和总结。例：In a word, your speech cheered up many people and help them work out a lot of problems.总之，你的演讲让许多人振作起来了，并且帮助他们解决很多问题。In a word, I have a bad day in the theme park. 总之，我在主题公园玩得很不开心。,1. All plants take energy _ the sun and makeit _ food.A. to; from B. into; to C
22、. from; to D. from; into 2. Plants cover the soil. Then the wind and water dont carry the soil _.A. in B. out of C. away D. on,一、单项选择。,Exercises,3. In_ word, we believe what our teachers said.Athe Ba Can D/ 4. Lets _ trees and the reason why we need them. A. to talk about B. talking aboutC. talk at
23、D. talk about 5. The cold weather turns water _ ice.Ain Binto Cat Dabout 6. The desks are made _ wood.A. in B. from C. into D. of 7. We make books _ trees. A. from B. on C. at D. in,二、把括号内单词的正确形式填到横线上。,Trade _ (有助于) the development of industry. Its _(愉快的) to climb mountain._(没有) food, they would hav
24、e nothing to eat and they would die. 4. We can sit in the _ (树荫)under the tree. 5. Trees and plants help us _(满足) our basicneeds. 6. Other structures will be _ _ (由制成) high tech materials called memory metals.,helps,Without,pleasant,shade,fulfill,made from,1.一些女孩正在树阴下玩游戏。Some girls are playing . 2.
25、繁重的工作把那个年轻的男子变成了一个疲惫的人。Hard work the young man a tiredperson. 3. 她是如此可爱的一个女孩。She is lovely girl that we all like her.,三、根据汉语意思完成句子。,in the shade,turned into,such a,Summary,1. Learnt some new words and expressions，such as be made from/of, without 2. Learnt the importance of plants.,Homework,Write a passage about why plants are important, using the conclusion weve had in Activity 3. Review what we have learnt in this lesson, especially the words, phrases and sentences.,