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冀教版八年级教案设计why are plants important


冀教版八年级下英语教案设计
Unit 2
【课

Lesson 13

Why Are Plants Important?

题】: Why Are Plants Important?

【教材与学生分析】 本教材充分吸收了国际上新的外语教学理念和实践经验, 以 人物的活动为主线,

围绕最基本最常用的词汇、句型逐步展开教学, 有丰富多彩的练习形式和文化背景, 把探究学习引入教学中使学生能 主动的融入创造性有意义的整体性学习中. 现在初二的学生对于英语学习应该具有一定的基础和方法, 但我们所处在山区农村中学,从初一才开始接触英语,所以对于英语 的学习还没有掌握好的方法,学生在学习中还存在许多问题。就这一 班学生来说已有一定的英语的基础, 但还不能在英语学习中运用灵活 运用, 所以课堂中老师应尽可能多的运用多种教学方法来引导学生学 习。 【教学目标】: 语言知识:掌握本课的单词及植物植物在我们生活中的重要作 用。 语言技能:在听录音时有目的的获取所需关键信息。 语言运用:能通过学习本课的对话简单的复述课文,加强对本课 的阅读、理解。 情感态度:能通过谈论植物的重要性,让学生掌握植物在生活中 的重要作用,并且让学生树立爱护植物的思想。

Teaching Aims: A: Learn the importance of the trees. B: Learn to how to express the usage of the trees. Learning aims: 1. Remember the new words: air, energy, die, heat, nothing, bamboo, kilogram, shade, carry away, make…into. 2. The important sentences: ① Trees help clean the air. ② Donuts don’t grow on the trees! ③ All plants take energy from the sun and make it into food. ④ Without food, they would have nothing to eat and they would die. Language Focus: 1. Trees can help clean the air. help… (to) do sth. / help …with sth. 帮助…做… 2. Donuts don’t grow on trees! on the tree (on trees) 与 in the tree (in trees): on the tree (on trees): “在树上”, 指树本身所长的东西, 如树叶,花等。(用 on 表示在树的枝叶中。) in the tree (in trees): “在树上”,表示不属于树本身生长 的,如鸟,人等。(用 in 表示在枝叶上。)

3. Then the wind and water don’t carry the soil away. 风 和水就不能把土壤带走。 carry away: (1)运走,拿走 (2)使着迷;激动 carry back:(1)运回,拿回 (2)使回想起 carry on: (1)继续进行 (2)吵吵闹闹 carry through: (1)进行(到底) (2)使度过(困难,危险等)。 carry off: (1)轻而易举地完成 (2)夺去(某人)生命,拐去。 【教学重点及难点】: 1、掌握植物在生活中的重要作用。 2、学习怎样用英语表达植物的作用。 Learning important and difficult points: 1. 区分短语 in trees 与 on trees。 2. Master “Why are plants important?” 【教学方法】: 任务教学法,学生中心教学法,多媒体教学 。 Learning method: Listen, say, read and write. Teaching times :one class Preparation of teaching aids: tape recorders, tapes, multi-media. Teacheing times:one class Time: 45 minutes Teaching Process: Step 1: Greetting

Step2: Talking Talk about: Why do we need trees? What kind of things can plants do? Step 3: Revision. Ask some questions: 1.How many main parts do plants have? What are they? 2. What do plants need to grow? Why do plants need them? 3. Do you think plants are important? Step4:. Learning Learn new words. Step 5:Think about it . Step6: Listion to the tape and answer quitions: 1. What are Danny, Jenny and Brian talking about? They are talking about trees and the reason why we need them . 2. Donuts don’t grow on trees, do they? No, they don’ t. 3.Why do we need trees ? Ask some students answer and the teacher correct Step7: Reading Read the dialogue first. Then find out the useful expressions.

1. talk about 2. clean the air 3. on trees/in trees 4. carry…away Step 8 : look at the picture .know the fascinating facts. Step9: studing language points 1、Let’s = Let us 2、help sb. (to) do sth.和 help sb. with sth. 3、pleasant 与 pleased 的区别 Among 与 between 的区别 4、on the tree (on trees) in the tree (in trees) 5、also, too 与 either 6、carry away 把搬(移)走 carry back 运回,拿回 carry off 轻而易举地完成 carry out 执行 carry forward 发扬,推进 7、make into 把制成用于主动语态, be make into 用……制成,用于被动语态 Step10:Practice Practice the dialogue in pairs.

Step 11: project Step12: Do exercises Step 13: Homework Write a diary about why we need trees. Preview Lesson 14 Summary: Review the text is very important. The students know what they will take to the class, what is useful to the study. Let them to talk about Why Are Plants Important? Why do we need trees? What kind of things can plants do?

板 书 设 计:
1、help… (to) do sth. / help …with sth. 帮助…做… 2、on the tree (on trees) 与 in the tree (in trees): on the tree (on trees): in the tree (in trees): 3、carry away: (1)运走,拿走 (2)使着迷;激动 carry back:(1)运回,拿回 (2)使回想起 carry on: (1)继续进行 (2)吵吵闹闹 carry through:(1)进行(到底)(2)使度过(困难,危险 等)。 carry off:(1)轻而易举地完成(2)夺去生命,拐去. 4、Let’s = Let us

let sb. do sth.“ 肯定回答一般用“OK” “All right.” “Yes, let’s…”。 否定回答用”Sorry, I …”。 5、辨析:also, too 与 either also 较正式,位置靠近动词,不置于句末。 too 用于口语,常置于句末,边用逗号,也可用于句中,前后 均用逗号。 either 一般用于否定句中 5、make into 把制成用于主动语态, be make into 用……制成,用于被动语态。

教 学 反 思:
本节课在前几节课学习的基础上进一步来学习植物的重要 性, 通过运用多媒体向学生展示了植物的作用。 并结合问题 “Why do we need trees?”、“ What kind of things can plants do?” and “Why Are Plants Important?”来理解课文,在学习单词、 短语、句子的同时要求学生理解运用,取得了较好的效果。本 课的学习让学生充分的认识了植物对人类生活的重要作用,培 养了学生爱护植物的情感。达到理想的教学效果。


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