Unit 2 Plant a Plant! Lesson 8 Why are plants important 课件 2024-2025学年冀教版（2012）八年级英语下册

Unit 2 Lesson 8 Why Are Plants Important ? 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 预习检测 1.—The T-shirt feels soft. —Yes. It 　　　　silk. A.is made of　　 B.is made in　 C.is made by　　 D.is made for 2.　　　　 the sun’s heat or light, there would be no life on the earth. A.Under B.For C.With D.Without A D 新课导入 1. What plants grow near your home? 2. Why do we need trees and plants? Talk about these two questions in groups Free Talk Complete the passage with the correct forms of the words in the box. Then try to retell the dialogue. pleasant shade basic forest cover P21 2 Task 1 A basic need is something we can’t live without. Can you list some basic needs of people? food water clothing … shelter How can plants help people? Let’s listen to a conversation first. Trees are good for___________. Trees are important to__________. 25% Trees are important to__________. 标题文本预设 Why are trees important? environment animals people Read the lesson and tick the items mentioned. Task 2 …很愉快 满足…的需求 从…获取能量 把…变成… 由…制成 把…搬(移)走 总之，一句话 没错,确实是 Look out the following expressions in the passage. Task 3 pleasant fulfill shade 基本的 bottom basic cover 使人愉快的 pleasant 满足，完成 土壤 阴凉处 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. 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！ Language points It’s pleasant to walk in the forest. 在森林里散步是令人愉悦的。 ◉ pleasant意为“ 使人愉快的；舒适的”，既可作表语也可作定语，多用于描 述人或事物的性质。It’s pleasant to do sth. 意为“做……很愉快”。 ※ This is a pleasant journey. 这是个令人愉快的旅行。 ※ It’s pleasant to live in beautiful surroundings. 生活在优美的环境里是令人愉快的。 Work in pairs. Think about why we need plants.Discuss it and fill in the mind map. You can use some ideas from Activity 1. Environment： ____________________ Clothing and school things： _____________________ Shelter：______________ Food or medicine： ____________________ Functions of trees (plants) 3 1. Donuts don’t grow on trees. 2. People use trees and other plants in many ways. 3. The trees and plants take energy from the sun and turn it into food. 5.That way, the wind and water don’t carry the soil away. 6. In a word, we can’t leave without plants. pleasure 快乐 ※ With pleasure. 乐意效劳。 ※ It’s a pleasure to meet you. 认识你很高兴。 pleasing 令人满意的 please 取悦；使……高兴 pleased 高兴的，只用于人，不用于物，指某人满足了自己的愿望而感到高兴。 ※I’m very pleased you can come. 你能来我非常高兴。 2. When the weather is sunny and hot, you can sit in the shade under a tree. 当天气晴朗、炎热的时候，你可以坐在树荫下。 ◉ shade 树荫，阴凉处 ※ Temperatures in the shade can reach forty-eight degrees at this time of year. 一年中的这个时候，阴凉处的温度能达到48摄氏度。 ※ What a pleasant shade these trees give us! 这些树底下多么阴凉舒服呀! 一、词语运用 1．Food is our________(基本的) need. 2．They have a________(令人愉快的) trip. 3．People like to have a rest in the________(阴凉处)of the tree. 4．Trees and other plants help us________(满足) some needs. 5．The air is always clean and fresh in the________(森林)． basic pleasant shade fulfill forest(s) 当堂小练 Fast Reading It’s pleasant to … in the shade grow on trees fulfill one’s needs take energy from be made from carry.... away in a word 1. They help us fulfill our basic needs. 它们帮助我们实现基本需求。 ◉ help 帮助 help (sb.) (to) do sth. 帮助（某人）做某事 help sb. with sth.(在某方面帮助某人)常与 help sb.(to)do sth. (帮助某人做某事)进行同义句转换。 ※ The cleaner helps clean the floor. 这台吸尘器有助于清洁地板。 ※ Jack likes to help his sister learn English. = Jack likes to help his sister with English. 杰克喜欢帮助他的妹妹学习英语。 重点单词：pleasant，shade，fulfill，basic， soil 重点短语：be made from…，carry away，in a word 重点句子：They help us fulfill our basic needs. Medicine and clothing are also made from trees and plants. In a word, we can’t live without plants! 课堂小结 单项选择 Plants cover the soil. Then the wind and water don’t carry the soil ___. A. in B. out of C. away D. on 2. Are there many trees___? A. where do you live B. you live where C. where you live D. you live there C C 感 谢 观 看 23 92030.555 $$