Unit 2 Lesson 8课件 2024-2025学年英语冀教版八年级下册

Unit 2 Plant a Plant! Lesson 8 Why Are Plants Important? 23021 1 1.学习目标 3.重点探究 2.自主学习 学习导航 5.当堂检测 6.课堂总结 4.拓展提升 23021 2 新课导入 Do you love plants? Are they important? Why? 3 学习目标 1.能熟悉并能正确运用本课时的重点单词和短语 2.能掌握并运用 It is pleasant to do sth和 can't ...without...这两种句型 3.了解植物的重要性，爱护植物 4 自主学习 pleasant shade fulfill 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 23021 5 take energy from… in a word be made from It’s pleasant to do … fulfill one’s needs carry 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 23021 重点探究 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. Jenny: That's true. It’s pleasant to walk in the forest. What plants grow near your home? Why do we need plants? THINK ABOUT IT When the weather is sunny and hot， you can sit in the shade under a tree. It s nice and cool. Danny: I'm 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 don’t grow on trees! 23021 Jenny: Trees and other plants are important to people. They help us fulfill our basic needs. Brian: That’s 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. 23021 Many animals live in the forest and eat the fruit from the trees. They eat other plants, too. Brian: And plants cover the soil. That way, the wind and water don’t carry the soil away. Plants also make everything look beautiful. Danny: In a word, we can’t live without plants! 23021 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. √　 √　 √　 √　 √　 √　 √　 23021 2. Complete the passage with the correct forms of the words in the box. There are many trees and plants. It’s ________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 don’t carry the soil away. basic　shade　forest cover　pleasant pleasant shade basic forest(s) cover 23021 Functions of trees (plants) Environment: 2.Plants help make the air clean and fresh. 6.The plants cover the soil and can stop the dust. Shelter: 3.Many animals live in the forest. 7.People use wood from trees to build houses and furniture. Food or medicine: 1.People can eat plants or use them as medicine. 5.Animals eat the fruit from the trees. Clothing and school things: 4.Books, paper, pencils and erasers all come from plants. 8.People can make clothing from plants. 23021 拓展提升 1.Trees help clean the air. 树能帮着清洁空气。 help vt. 帮助，常用于两个句型： help sb. (to) do sth.=help sb. with sth. “帮助某人做某事” 介词with后接名词，通常不接动词-ing形式。 Mr. Wu helps me learn English. = Mr. Wu often helps me with my English. 2. Then we can sit in the shade under a tree. 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 23021 3. Donuts don’t 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 23021 e.g.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. 23021 4. The trees and plants take energy from the sun and turn it into food. turn…into… “把…转化…” e.g.我们可以把树制成纸. We can turn the tree into paper. take energy from “从…中获取能量” 23021 5. Medicine and clothing are also made from trees and plants. 与make 有关的被动语态的短语 be made from 由……制成(看不出原料) be made of 由……制成(看出原料) be made by 被(某人)制造 be made in 在(某地)制造 23021 6. We can’t live without plants without介词 “没有” 他没有吃早饭就去上学了。 He went to school without eating breakfast. 没有水鱼就不能活。 Fish can’t live without water. 23021 当堂检测 Trade _____(有助于) the development of industry. It’s _________(愉快的) to climb a mountain. ________(没有) food, they would have nothing to eat and they would die. helps Without pleasant 一、根据中文提示完成句子。 4. We can sit in the _____ (树荫)under the tree. 5. Trees and plants help us _____(满足) our basic needs. 6. We can turn the tree ____ paper. 7. Other structures will be _____ ____ (由……制成)high tech materials called memory metals. shade fulfill into made from 23021 课堂总结 Unit 2 Lesson 8 重点词汇： 实现/完成, fulfill 愉快的, pleasant 阴凉, shade 土壤, soil 园丁, gardener 频道, channel 重点短语： 帮助某人...... help sb with sth help sb (to) do sth be made +介词: be made of be made in be made by be made from 在树上： on the tree in the tree $$