9Bunit1maintask.doc

天王中学九年级英语教学案 2020-01-18 第（ 39 ）份主备人：吴丽萍 二备人：吴丽萍 三备人：吴丽萍 四备人：栾玉荣 备课组长签名 内容：9B Unit1 main task 课型：新授 设计课时：1课时 审核人签名 班级 学生姓名: 家长签名： 执教人签名 学习目标1. 掌握本课的单词。2. 制作一份流程图并用流程图来组织话题。重点制作一份流程图并用流程图来组织话题难点用流程图来组织话题一、 课前预习：试一试：（认真阅读书上内容，找出下列词组或句子，并在书上划出来。）1. 做住在火星上的指南_ 2. 参观两颗卫星_ 3.汽车在空中漂浮_ 4.用激光灯把他们赶开_5.低引力的篮球赛_6.没有交通引起的空气污染_7.太空时装_ 8. 难以找到来自地球的东西_9.值火星10元_ 10. 描述了我所想象的火星上的生活_ 11.被储存在火星银行_12想去某个安静的地方_ 13.公共系统_ 14.产生空气污染_ 15.特别设计成舒服的_ 16. (飞机)起飞_二、教学过程（一）课堂精讲：Step RevisionCheck the students homework.Step PresentationAsk the students to imagine the different lives on Mars and On Earth.Step PracticeGo through the flow char and then complete P19 Part A & p20 Part B.Step CheckoutAsk ss to revise the grammar of this unit and then complete Part A & B.知识点讲解：specially & especially specially 副词，“专门地，特地”； 表示为某一特定的目的而做某事。1） 我是专程来这儿看你的。I came here _ _ _ you.2） 我特意为你做了一个蛋糕。I made a cake _ _ you. especially副词，“尤其，特别”；表示某种情况与平常很不一样。1) 如今人们，尤其是年轻人好像不那么讲礼貌了。People，_ youngsters dont seem _ _ these days.2) 她喜欢乡村，尤其在春天。She likes the country, _ _ spring.（二）课堂精练I、根据要求写出单词。1. This computer is the latest. It is w_ much money.2. Dont throw rubbish everywhere. Pay attention to _ （公共的）health(卫生).3. Youre too tired. Youd better have a r_.4. Will you please show me an _(电子的) watch , sir?5. Dont be nervous when you are answering your teachers question. Try to r_.6. I drew a picture _(特地) for you.7. Will you please buy me a _(指南) to grammar, Mum?8. He is trying to _( 描述) what happened last night.9. We are going to give a farewell _( 娱乐) to the old teacher tonight.10. The doctor cured his leg with _(激光) light.II、句型转换。1. Is she going to visit the museum? I dont know. (用宾语从句改写句子)。 I dont know _ she_ _ _ visit the museum .2. These plants will produce food and oxygen. (改为被动语态)。 Food and oxygen _ _ _ _ these plants .3. The planet Mars appears red. (用blue改为选择疑问句) _ the planet Mars _ _ _ blue?4. There maybe some aliens on that planet. (改错)。 There _ _ some aliens on that planet. 5. Some students said that living on another planet was very interesting. (改为同义句). Some students said that _ _very interesting _ _on another planet.6. You neednt finish your work now.( 同义句改写) You _ _ to finish your work now.7. She cant speak good English. I believe.I _ _ she _ speak good English.、书面表达发挥你的想象，我们如何才能在火星上居住呢？以及在火星上生活的不同。根据以下提示完成一篇80字左右的短文：1交通工具是航天飞机，其速度达到光速的一半；2科学家开发出了能产生食物、氧气和水的植物；3人们通过穿特制的靴子来解决火星上重力的问题；4在火星上人们有更多的空间和更多的空余时间；5在火星上，学生可以在家里通过星际网络学习；6但在火星上食物没有今天的美味，而且火星之旅将令人不舒服。作文1：_三、课后巩固作文2：_四、课后反思_五、拓展延伸（选做题）任务型阅读Trees are one of the oldest citizens(公民)of our earthJust like US, trees change a lot when they growAt one to three years old, young trees learn how to protect themselves. For example, many trees grow thorns(刺)to tell animals not to go near. Most young trees have large, deep green leaves so that they can catch enough sunlight and change it into their food and energy.When trees are 4 years old, they begin to grow very fast and become strong enough to face challenges(挑战)in lifeAt the age of l5，trees become young adults. They grow more slowly and begin to produce flowers and fruit.It is not until the trees are 20 to 25 years old that they become real adults. The trees reach their largest sizes. Adult trees give us many things such as oxygen and natural beauty. If we give them good care, they will go on to live healthily for many years.As time goes on, trees begin to grow older and older and even die. At this time, they still have their important place in nature. In many ways, the life of trees is like our own life experience. Enjoy every minute of the life of the trees and take care of them!Title (题目)：1._AgeGrowingThings they can do13Growing thorns；Having 1arge, deep green leavesLearn to protect themselves；2. _4Growing very fast；Becoming strong enough3. _4. _Becoming yo