冀教版英语八年级下册第二单元lesson8导学案

Title Lesson 8: Why are plants important
Teaching Objectives Knowledge To learn words and phrases and some useful expressions.◎掌握词汇： pleasant ,shade , fulfill, basic, soil◎短语和句型：It’s pleasant to… take energy from in a word…2. To grasp some important sentences. It is pleasant to walk in the forest. It is nice and cool. Trees and other plants are important to people.
预习案 Task：Learn the words and phrases in this lesson by yourself. Read the text and understand the main idea.1根据句意和所给单词的首字母填空。1.Walking in the open a________is a king of exercise.Without plants, n________ live at all.Water is the b________ food to plants.4.The wind has c________ much soil away. 2. 根据要求进行句式转化，每空一词。1.Let us talk about trees today.（改为反意疑问句） Let us talk about trees today, ________ ________ .2.My little cat died a week ago.（改为同义句） My little cat ________ ________ dead for a week.They are sitting under a tree in the shade.（改为一般疑问句） ________ ________ sitting under a tree in the shade ？
Teaching Procedures
Step1:创设情境导入新课 Discuss the following questions.Are there lots of trees where you live Why do we need trees
Step2:自主学习合作探究 listen to the tape and do Ex1.Read the text again and learn more information ,then Let’s Do It! Ex2Reading the dialogue and fill in the blanks with the correct words.With plants, the air will be________ and fresh.People can use plants in many different_______ .Nobody can live _______ plants.
Step 3:成果展示汇报交流 Students show and share what they learned:Write out the phrases and expressions in this lesson.Explain some language points.Try to introduce a important of trees and then let students come to the front to show their introductions.
Step 4:总结归纳提升拓展 Language points:(The teacher explains some problems )1.It is pleasant to walk in the forest. 在森林里行走是很令人愉快的。 用法 : 句中的to walk in the forest是动词不定式短语作主语，而 it 是形式主语，将动词不定式短语放在后面是为了保持句子的平衡。 eg, It is important to learn a foreign language.Trees and other plants are important to people.树木和其他植物对人类很重要。用法 : 句中的 be important to...是 “对......重要”，to为介词，后加名词,代词或动名词。
检 测 案 Ⅰ. 基础单词。 1. 基本的 ________ 2. 使人愉快的________ 3. 重要的 ________ 4. 总之________ 5. 在树上________ 6. 在很多方面________ Ⅱ. 重要句型。1.植物给我们提供食物，动物呢？ Plants ________ ________food, what about animals 我们没有地方住了。We have no places_______ ________ _______ .3.在树丛中散步很有趣，是吗？Walking in the forest is very interesting ,_______ _______
Step 5:反馈训练巩固落实 Read the text.Finish off the exercises in activity book.
课后反思