初中英语外研版 (新标准)八年级下册Unit 2 We have not found life on any other planets yet试讲课ppt课件

这是一份初中英语外研版 (新标准)八年级下册Unit 2 We have not found life on any other planets yet试讲课ppt课件，文件包含Unit2Wehavenotfoundlifeonanyotherplanetsyet课件pptx、Unit2Wehavenotfoundlifeonanyotherplanetsyet教学设计doc、M3u2a2wav、M3u2a2swf、探秘月球mp4等5份课件配套教学资源，其中PPT共22页， 欢迎下载使用。

galaxy→galaxies
slar system
Are we alne?
Mdule 3 Jurney t space
Unit 2 We have nt fund life n any ther planets yet.
nneenvirnment//thatslarsystemslar systemgrupgalaxy//
prn.没有一人n.环境prn.那个adj.太阳的n.系统太阳系n.群/组n.星系
1.nne可指人也可指物,常与表范围 的f短语连用；而n ne=nbdy 只能指人,不能与f 短语连用与数量有关,回答hw many 问句“一个也没有”n ne回答 wh引导的问句“什么人也没有”
universe//lightimpssible//utcmmunicate//
n.宇宙 n.光线adj.不可能的adv.在远方v.联系
be impssible t... “干...是不可能的”It's impssible t imagine hw largethe universe is.be pssible t... “干...是可能的”It's pssible t land n the mn.
1. Lk at the picture and talk abut Chinese spaceships.
Shenzhu-9 is a manned spaceship.
神九飞船是中国航天载人宇宙飞船。2012年6月16日18时，神舟九号发射升空。2012年6月18日11时左右转入自主控制飞行，14时左右与天宫一号实施自动交会对接，2012年6月29日10:03分安全返回。
2.Read the passage and chse the best title fr it. 1. Anyne ut there? 2. Life n the earth 3. The sun and ther stars 4. The stars at night
Learning t learn When yu read a passage with a title and pictures, think abut the wrds yu may find in the passage, and the questins yu may want t ask befre yu started t read.
slar system
3. Check (√) the true sentences.
1.The earth is a sun is a is mre than ne galaxy in the light frm the stars in ther galaxies has travelled fr a lng time t reach have received many messages frm have visited mst f the universe.
Anyne ut there? Scientists think that there has been life n the earth fr hundreds f millins f years. Hwever , we have nt fund life n any ther planets yet.
2. Listen and read.
易错点1：there be结构的现在完成时
易错点2：any ther 指除地球外的“其他任何”行星。注意区别any “任何”
The earth is a planet and it ges arund the sun. Seven ther planets als g arund the sun. Nne f them has anenvirnment like that f the earth, s scientists d nt think they will find life n them. The sun and its planets are called the slar system, and ur slar system is a small part f a much larger grup f stars and planets, called the Galaxy r the Milky Way. There are billins f stars in the Galaxy, and ur sun is nly ne f them.
易错点3：以nne f 开头做主语的句子,谓语动词用单数或复数均可。注意区别neither f them后面的谓语动词一律用第三人称单数。
Scientists have als discvered many ther galaxies in the universe. They are very far away and their light has t travel fr many years t reach us. S hw large is the universe?It is impssible t imagine.
Scientists have sent spaceships t the planet Mars t take phts. They have even sent spaceships t travel utside the slar system. Hwever, n spaceship has travelled far enugh t reach ther stars in ur Galaxy.
易错点4：注意从词义角度去揣摩many ther “许多其他的”ther “其他的” 与前面any ther “任何其他的”之间的区别。
Scientists have always asked the questins: with s many stars in the universe, are we alne, r is there life ut there in space? Have there been visitrs t the earth frm ther planets?Why has n ne cmmunicated with us? We d nt knw the answer…yet.
快速写出以下过去分词的动词原形been_______ fund________discvered_________ sent_______ travelled_________ asked__________cmmunicated_________________
其他任何行星绕着…转…一个也不像…那样太阳系…的一小部分成十亿的……是不可能的干…足够远孤单与…交流
4. Cmplete the passage.
cmmunicate envirnment nne slar system universe
Is there life n ther planets? There are seven ther planets in ur_____________, but (2)________f them has a(n) (3)____________like that f the earth. spaceships frm the earth have dne surveys f the ther planets, but they have nt fund any life there. Why has n ne frm ther planets tried t (4)___________ with us? It is true that scientists have nt discvered life n ther planets in the (5)__________yet,but sme scientists believe that they will find it sme day.
5.Lk at the picture frm a science stry fr children and answer the questins.
What have the scientists just received?(a message frm ne f ur spaceships)They have just received a message frm ne f ur spaceships.
1.Where has the spaceship landed? (Mars) The spaceship has landed n has the spaceship discvered? (peple n Mars) The spaceship has discvered peple n have the peple n Mars nt sent us a message? (d nt knw hw t) Because they dn’t knw hw t send us a have the peple n Mars nt visited us n the earth? (d nt knw hw t) Because they dn’t knw hw t visit us n the earth.
6. Write a passage t describe the picture. Use yur answers t the questins in Activity 5 t help yu. We have just received a message frm ur spaceship t Mars.
The spaceship has landed n Mars. It has discveredpeple n Mars. The peple n Mars dn’t knw hw t send us a message and hw t visit us n the earth.But weare sure we’ll make friends with them ne day.
(2020原创试题)Scientists think that there______life living n the mn s far.A. hasn't been any ther B. hasn't been any C. has been any D. haven't been any
考查：there be 结构的现在完成时态，any 与any ther的区别。句意：科学家认为到目前为止没有任何生命居住在月球上。分析：根据life为单数排除D项, 根据句意排除C项与客观事实不符， 宇航员只是月球的访客并不是常住月球，故用any “任何” 答案选B。
查阅资料，发挥想象空间。根据Activity 6中的提示续写更多信息完成英语短文，与同学交流朗读。