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Unit 2 Plant a Plant Lesson 8 Why Are Plants Important 课题授课时间主备人授课人班级审核人阶段环节教学过程第一阶段预学案第二阶段教学案第三阶段检测案学习目标1掌握词汇：pleasant,shade,basic,soil2了解如何介绍植树的重要性。3.了解更多有关植树的名词。教学重点1.掌握与介绍植树有关的词汇。2.运用所学知识介绍植树的重要性。教学难点1.掌握介词表示目的的用法。2.学习一些用于介绍植物重要性的句式。自主预习掌握本课单词和短语的读法，并能了解文章大意。预习自测预习反馈：合作探究：交流展示：精讲点拨：达标测试：.英汉互译。1.做很愉快_ 2.总之，一句话_ 3.take energy from _4. soil_ 5.达到，执行_6. pleasant_7. 基本的，基础的_ 8.shade_根据句意和所给的首字母用适当的词语填空。1.Walking in the open a_ is a kind of good exercise .2.Without plant, n_ can live at all.3.These trees are too dry. Water them at once,or they may d_.4.Water is the b_ food to plants.5.The wind has c_ much soil away.检查单词及词组的读法并校正。.Read the lesson and tick the items mentioned.1.People can eat plants or use them as medicine. ( )2.Plants help make the air clean and fresh. ( ) 3.Many animals live in the forest. ( )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 can 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 and furniture. ( )探究一、pleasant和basic的用法。交流展示：精讲点拨：探究二、Trees and other plants help clean the air.其中help的用法。交流展示：精讲点拨：探究三、Medicine and clothing are also made from trees and plants.探究be made of, be made from的区别。 交流展示：精讲点拨： 用所给词的适当形式填空。1. It is _(please) to take a walk in the park.2. You will feel cool if you sit in the _(shade) under a tree.3. We use plants _(make) food .4. Would you like _(go)out on Sunday ?5. Water is one of our _(base) needs.完成课本上Lets do it的2、3题。按要求改写下列句子，每空一词。1.Dont plants do other things?(作肯定回答)_，they _.2. Lets talk about trees today, _ _?(改为反意疑问句)3.My little cat died a week ago.(改为同义句) My little cat _ _dead for a week.4.Why dont you plant some trees behind the house? (改为同义句) Why _ _ some trees behind the house? 5.They are sitting under a tree in the shade. (对划线部分提问)_ _ they sitting?根据汉语意思完成句子。1.植物给我们提供食物。动物呢？Plants _ _ food.What about snimals？2.我们没有地方住了。我们该怎么办呢？ We have no places _ _ _.What shall we do?3.没有食物，我们能生存吗？Can we live _ _?4.在树丛中散步很有趣，是吗？Walking _ _ _ is very interesting,isnt it?5.丹尼说他要种很多面包圈树。 Danny said he would plant a lot of_ _ .
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