Unit2单元话题阅读与写作课件.ppt

单元话题阅读与写作单元话题阅读与写作 Plant a Plant!Unit 2自然界中的许多植物与我们的生活息息相关，它们不但能帮助我们净化空气，防风固沙，还能为我们提供基本的需要自古以来，植物就一直默默地改善和美化人们的环境，没有植物我们就不能生存 单元话题阅读与写作单元话题阅读与写作There are many plants around us. And we can't live without plants. Do you know why? Let me tell you.Plants help clean the air and it's pleasant to walk among the trees. We can also get food from plants, such as apples, oranges and bananas. Corn, wheat and rice are all plants, too. Trees can be made into chairs, beds and houses. We can sit in the shade under the trees in summer. Plants cover the soil. They don't make the soil dry. Plants can stop wind and water from carrying the soil away. All plants take energy from the sun 佳篇品读佳篇品读and make it into food.People and other animals need food from plants to live. So we need plants. Plants are very important to us.根据短文回答问题：1．Can we live without plants?________________________________________________2．How do plants make food for themselves?_________________________________________________3．Can plants stop wind and water from carrying the soil away?________________________________________________No, we can't.They take energy from the sun and make it into food.Yes, they can.结合以上所完成的阅读任务，请你思考：1．文中从哪几方面说明了植物的重要性？(列举三点)(1)_________________________________________________ (2)_________________________________________________ (3)_________________________________________________2．文中在介绍我们不能离开植物生存时用到了哪些句型和 短语？___________________________________________________________________________________________________________________________________________________Plants help clean the air. 写作指导写作指导Plants can stop wind and water from carrying the soil away.We can get food from plants.It’s pleasant to do sth.; get...from; be made into; sit in the shade; stop...from doing; take energy from; make...into; be important to sb.; need...to do请你以李明的名义写一封70词左右的倡议书给老师和同学们，号召大家多植树，爱护树木。

提示：1.树木可以净化空气，美化城市，提供休息场所2．树木可以为我们提供食物，木头等3．树木可以阻挡水流带走泥土，阻挡旱涝(flood and drought)发生写作实践写作实践思路构建思路构建We can get food from……use trees to build……clean the air …make our city more beautifulTrees …stop…from carrying… away…stop…happening…try our best to…It’s our duty to do…自我展示自我展示Dear class,____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Li MingTrees are important to us. They can clean the air and make our city more beautiful. We can also sit in the shade under the trees. Not only can we get food and wood from trees, but also we can use trees to build many things, such as beds, chairs and our houses. Trees can stop wind and water from carrying the soil away. They can stop flood and drought happening. So all of us should try our best to plant trees every year. It’s our duty to protect trees.文章紧抓要点进行描述，前后连贯，条理清晰，文章紧抓要点进行描述，前后连贯，条理清晰，叙述到位。

首先开篇点题，介绍树木的重要性叙述到位首先开篇点题，介绍树木的重要性(第第1句句)，引入主题；其次介绍树木给人们带来的好，引入主题；其次介绍树木给人们带来的好处处(第第2至至6句句)；最后表述决心；最后表述决心(第第7、、8句句)名师点评：名师点评：。