教学设计
Unit2 We have not found life on any other planets.
教材分析
课文介绍了一些太空的知识和科学家们所付出的努力，描述了我们所居住的太阳系和一些其他的星系。告诉学生我们取得一些成就和现在仍然存在的一些疑惑。提出其他星系是否还有人类居住的问题，能引起学生学习的极大兴趣。从而引出一个重要的语法现在完成时，同学们对课文感兴趣的同时，能很好的理解初中这一语法项目。充分体现了寓教于乐。
教学重点与难点
1. Structure: Present perfect with already, just and yet.
2. To understand the difference between have been to and have gone to
教学辅助
Tape recorder, OHP, video
教学方法
PWP approach
教学内容
教学活动
设计意图
教师活动
学生活动
Step 1:
Warming up
Show some pictures to review the text of Unit 1.Show some pictures.
复习与导入，引起学生兴趣
Step 2:
Work in pairs
Enjoy News Report. Show some pictures to talk about something about Shenzhuo -9 Ask the students to look at the picture in Activity 1.
Shenzhou-9 is a manned spaceship.
小组讨论，增强学生的话题意识
Step 3:
Reading
Play the recording and listen to the tape carefully.Choose the best title for it.
Ask the students to read through the passage.Read the text together.
培养学生的听力和阅读能力。
注意发音，找出最佳标题
Step 4
Read quickly
Ask the students to read paragraph1,and fill in blanks
锻炼阅读能力和注意重点的能力。
Step 5
Read carefully
Ask the students to read paragraph2 and 3 check (√ ) the true sentence.
让
培养学生注意细节问题的能力。
巩固所学内容
Step6
Read in silence
Ask the students to read paragraph4and 5 ,answer the questions.
让学生自学，培养自学能力，
Step7
Complete the passage.
Ask the students to read through the passage in Activity Complete the passage with the words and expression in the box.Check with a partner
让学生读课文，培养学生阅读
家庭作业：Making a poster about space travel.
板书设计：?Module 3 Unit 2
1. Grammer and language points
2.New words and phrases.
评测练习
一．根据句意用所给词的适当形式填空。
1．Please stand up when your name________ (call)．
2．—How many people are there in your country?
—It has reached 500 ________ (million)．
3．He's much ________ (young) than Mr Wang.
4．Mars is only one of the ________ (planet)．
5．The earth________ (go) around the sun.
二、根据句意用方框中词组的适当形式填空。
6．—I know Li Mei is your best friend. Do you have ______________friends in class?
—Yes，I do.
7．Every year ______________ people go to Jiuzhaigou for holiday.
8．The boy ______________ me and I gave him some cakes.
9．Humans have lived ______________ for many years.
10．Mars is the fourth planet from the sun in ______________．
课件26张PPT。Module 3Journey to spaceRevise the new words1.[n?n]
2[?n'va?r?nm?nt]
3. [e?t]
4. ['s??l?(r)]
5. ['s?st?m]
6. [ɡru:p]
7. ['ɡ?l?ks?]
8. [?ju:n?v?:s]
9. [la?t]
10. [?m?p?s?bl]
11. [a?t]
12. [k?'mju:n?ke?t] none
environment
that
solar
system
solar system
group
galaxy
universe
light
impossible
out
communicate pron.没有一人
n.环境
pron.那，那个
adj.太阳的
n.系统，体系
星系，太阳系
n.群，组
n.星系
n.宇宙
n.光/光线/光亮
adj.不可能的
adv.在远方
v.联系，交流1.亿万年
2.在其它的行星上
3.绕太阳转
4.他们中没有人
5.和某人联系
6.太阳系
7.一小部分
8.几十亿的星星
9.在宇宙中
10.许多其他的星系
11.距离好远
12.在宇宙中
13.足够远
14. 如此多
hundreds of millions of years
on any other planets
go around the sun
none of them
communicate with sb.
the solar system
a small part of
billions of stars
in the universe
many other galaxies
far away
in the universe
far enough
so manyphrases KeyThe earth is a ______ and it __________ the sun. Lead inplanetgoes aroundHowever, have we found life on any other planets yet?What have we done for the space travel？Yuri Gagarin,
Soviet Union
12, April,1961 Who is he?He is China’s first astronaut. The Shenzhou V spacecraft orbited the Earth 14 times at an altitude of 343 kilometres. The space flight lasted 21 hours by Yang Liwei in October, 2003. Yang Liwei was called “China’s first astronaut”.the Shenzhou Ⅷ manned spacecraftthe Shenzhou Ⅸ manned spacecraftthe Shenzhou Ⅹ manned spacecraftUnit 2We have not found life
on any other planets yet.1. Learning aims:
※ 通过看段首、段尾句学会归纳段落大意。
※ 通过读首段和尾段学会给文章找题目。
※ 通过回答问题，学会找关键词获取细节信息。
※会运用现在完成时描述一幅图片。Learning aims2. Main contents:
Key points:
none, environment, that, solar,system,group, galaxy,universe,light,impossible, out and so on.
Difficult points:
Read the passage carefully and find the answers to the questions【Skimming略读】
Tips: 快速浏览课文，抓住文章大意。
Match the sentences with the paragraphs 1. Is there life out there in space?
2. There are billions of stars in the Galaxy.
3.Scientists have discovered many other galaxies.
4.There has been life on the earth for hundreds of
millions of years.
5.Spaceships have been sent to Mars and outside
the solar system.
Para 1Para 2Para 3Para 4Para 5Read the passage and choose the best title for it.
1. Anyone out there?
2. Life on the earth
3. The sun and other stars
4. The stars at night √
1.How many planets are there in the solar system?
2.Why don’t scientists think they’ll find life on the other planets?
3. What is called the solar system? What is it?
The sun and its planets are called the solar system.It is a small part of the Galaxy / the Milky Way.The 2nd Para. Questions:There are eight planets.Because none of them has an environment like that of the earth. 4.Put the words and expressions from the smallest to the largest :A. galaxy B. planet C. solar system D. star E. universeBDCAE What have scientists discovered?
2. Is it impossible to imagine how large the universe is? Why?
They’ve discovered many other galaxies in the universe. Yes, it is.
Because they are very far away and their light has to travel for many years to reach us.The 3rd Para. Questions:1.Have scientists sent spaceships to the planet Mars ? What did they do?
2.Have people even sent spaceships to travel outside the solar system?
3.Have they reached other stars?The 4th Para.Yes, they have. They took photos.Yes, they have.No, they haven’t.1. The earth is a star.
2. The sun is a star.
3. There is more than one galaxy in the universe.
4. The light from the stars in other galaxies has travelled for a long time to reach us.
5. Scientists have received many messages from space.
6. Scientists have visited most of the universe.Check the true sentences:×√√√××Memory testWritingLook at the picture from a science story for children and answer the questions.What have the scientists just received?
(a message from one of our spaceships)
They have just received a message from one of our spaceships.
1. Where has the spaceship landed? (Mars)It has landed on Mars. 2. What has the spaceship discovered? (people on Mars)
3. Why have the people on Mars not sent us a message? (do not know how to)It has discovered people on Mars.
Because they do not know how to communicate with us .4. Why have the people on Mars not visited us on the earth? (do not know how to)Because they do not know how to fly to our planet. The scientists have just received a message from one of our spaceships. It has landed on Mars. Our spaceship has discovered people there. They have never sent us a message because they don't know how to communicate with us. They have not visited the earth because they don't know how to fly to our planet, and they prefer life on Mars. They seem very happy on their planet. Possible answerHomework Revise the language
points of unit 2.
2. Finish the composition.
Thank you!
