外研版八年级下册英语Module3Unit2We have not found life on any other planets yet教案.doc

1、Module 3 Journey to space Unit 2 We have not found life on any other planets yet. 教学设计教学设计 【教学目标】【教学目标】 1.掌握本单元的 13 个重点单词、9 个短语及句子。 2.能够读懂以太空为主题的简单文章并能识别细节，做出正误判断。 3.培养学生对天文知识的兴趣和对未知事物的探索精神。 【教学重难点】【教学重难点】 重难点：现在完成时 【课时安排】【课时安排】1 课时 【教学过程】【教学过程】 一、导入环节一、导入环节（2 分钟）分钟） （一）（一）导入新课，板书课题导入新课，板书课题 导入语:Goo

2、d morning, class. How are you? Today, we will learn Module 3 Unit 2. And write the title on the blackboard. （二）（二）出示学习目标出示学习目标 过渡语:Lets read the learning goals together. 1.我能掌握本模块的 13 个重点单词、9 个短语及句子。 2.我能够读懂以太空为主题的简单文章并能识别细节，做出正误判断。 3.培养对天文知识的兴趣和对未知事物的探索精神。 过渡语:Are you clear? Lets go on. 二、先学环节二、先学环

3、节（15 分钟）分钟） （一）出示（一）出示自学指导自学指导 过渡语:First look at the guides carefully and then finish the tasks step by step. 1. Scan the passage and finish Activity 2. 2. Read the passage carefully and finish Activity 3. 3. Read the passage carefully and answer the questions. 4. Read the passage again and find out

4、 the important phrases. （二）（二）自学检测自学检测反馈反馈 1. Read the passage and choose the best title for it. (Activity 2) 2. Read the passage carefully and check the true sentences. (Activity 3) 3. Read the passage carefully and answer the questions. (1) Read P1- 2 loudly, and chooses the best answers. How long

5、 has life been on the earth? ( ) A. Hundreds of years. B. Millions of years. C. Hundreds of millions of years. How many planets does the sun have? ( ) a. Seven b. Eight c. Nine (2) Read P2-3 loudly, and compare. solar system sun universe galaxy (3) Read P4-5 loudly, and check the true sentences. Sci

6、entist havent sent spaceships to travel outside the solar system . ( ) To the universe, scientists have many questions without answers. ( ) 4. Read the passage again and find out the important phrases, then remember them. 绕转_ 中没有_ 太阳系_ 在宇宙中_ 远离_ 把发送到_ 足够远_ 与交流_ 在太空_ （三）（三）质疑问难质疑问难 过渡语:Do you have an

7、y questions? If you have some questions, put up your hands. 三、后教环节三、后教环节（15 分钟）分钟） 过渡语:After learning the conversation, lets talk about language points in groups. 1. Scientists think that there has been life on the earth for hundreds of millions of years.科学家认为地 球上的生命已有亿万年的历史。there be 句型的现在完成时为_，意为_。

8、 教室里早就有许多学生了。 _。 2. None of them has an environment like that of the earth没有一颗行星拥有与地球一样的环 境none 作代词， 意为_， 指 “三者或三者以上都不” ， 反义词是_. none 既可指人，也可指物，常与 of 连用，作主语时，谓语动词用单复数都可以。常用于回答 how many/how much 的提问。no one 只能指人，不与 of 连用，做主语时，谓语动词用单数形式。用 于回答 who 的提问。 我们没有一个人能回答那个问题。 _. that 作代词，意为“那，那个” ，在本句中指代上文的_一词。

9、that 通常代指上 文中提及的像环境、天气、人口等表示抽象内容的名词。 北京的人口比南京的多。_. 3. However, no spaceship has travelled far enough to reach other stars in our Galaxy. 然而， 还没有任 何航天器能到达银河系里的其他恒星。 句中 enough 作副词，意为_， “形容词/副词+enough+to do sth.”意为“足够 能做某事” ； “not+形容词/副词+enough+to do sth.”意为“不够不能做某事” ，可以与 sothat， too.to.结构相互转换。 吉姆年龄足够大

10、， 可以去上学了。 _ 她不够强壮，搬不动那个箱子。She is _ _ _ _carry the box.=She is _ weak _ carry the box.= She is _ weak _ she cant carry the box. 4. With so many stars in the universe, are we alone or is there life out there in space?宇宙中有这么多 恒星，我们到底是独自存在，还是太空中有其他生命呢？ with+名词+介词短语，表示伴随状况，意思是“带着” 。 老师手里拿着一本书进了教室。 The te

11、acher came into the classroom_. 四、训练环节四、训练环节（13 分钟）分钟） 过渡语:After learning，lets do some exercise. （一）单词的适当形式填空（一）单词的适当形式填空 1. There _ (be) great changes in my home town in the past 10 years. 2. My mother isnt at home. She _ (go) to Shanghai. 3. Football is so exciting that _ (million ) of people in t

12、he world play it. 4. None of us _ (be) to Sanya. 5. How large is the universe? No one _ (know). （二）根据提示完成句子（二）根据提示完成句子 1.我们的英语老师经常和我们交流。Our English teacher often _ _ with us. 2.我弟弟足够大了， 可以照顾自己。 My brother is _ _ _ look after himself. 3.你看过体育新闻了吗？_ you _ the sports news on TV? 4.人类要抵达太阳是不可能的。It is _

13、_ _ _ get to the sun. 5.你为什么总是开着灯睡觉？Why do you always sleep _ the lights_? （三）句型转换（三）句型转换 1. They have arrived in Beijing.（改为否定句）They _ _ in Beijing yet. 2. He has just finished his homework. （改为一般疑问句） _ he_ his homework yet? 3. The classroom is not big enough to hold 70 students.（改为同义句） The classro

14、om is_ _ _ hold 70 students. 课堂总结课堂总结：这节课我们学习了本单元的单词、短语和重点句子，并学习了一些新的语法知识， 特别是现在完成时的用法，下面我们做一个总结，认真考虑我们这一节课学习了哪些内容？你还有 哪些易错点？ 附：附：板书设计板书设计 Module 3 Journey to space Unit 2 We have not found life on any other planets yet. there have/has been none no one 形容词/副词+enough+to do sth. not+形容词/副词+enough+to do sth. with+名词+介词短语 【教学反思】【教学反思】