2021学年Unit 2 We have not found life on any other planets yet备课课件ppt

这是一份2021学年Unit 2 We have not found life on any other planets yet备课课件ppt，共20页。PPT课件主要包含了Discussion，Module 3，汉译英，这不能想象 ，英译汉，universe等内容，欢迎下载使用。
Revise the new wrds
1.[nʌn] 2[ɪn'vaɪrənmənt] 3. [ðæt] 4. ['səʊlə(r)] 5. ['sɪstəm] 6. [ɡru:p] 7. ['ɡæləksɪ] 8. [ˈju:nɪvɜ:s] 9. [laɪt] 10. [ɪmˈpɒsəbl] 11. [aʊt] 12. [kə'mju:nɪkeɪt]
nneenvirnmentthatslarsystemslar systemgrupgalaxyuniverselightimpssibleutcmmunicate
prn.没有一人n.环境prn.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
Are yu interested in space?
D yu believe(相信) there are any living creatures in uter space?
Besides(除了) earth, is there life ut there in the universe? Why?
Unit 2 We haven’t fund life n ther planets yet.
Fast-reading Read the passage and chse the best title fr it
（注意首尾句及关键词）1. Anyne ut there?2. Life n the earth3. The sun and ther stars4. The stars at night2,3,4 只讲述了文章的部分内容，不全面。
Careful-reading Read part1 and answer the questins.
1.Hw lng has there been life n the earth? 2.Have we fund life n any ther planets yet?
There has been life n the earth fr hundreds f millins f years.
N, we haven’t.
Scientists think that there has been life n the earth fr ______________years.
hundreds f millins f
Hwever, we have nt fund life n any ther planets yet.
the slar system
200 billin stars
It’s a part f the universe(宇宙).
the Milky Way
The 2&3rd Para.
Which is true?A: Seven planets g arund the sun.B: there are nly stars in the galaxy.C. The slar system is larger than the galaxy.D: the Envirnment f the earth is different frm that ther planet in the slar system.
1.Why haven’t we fund life n any ther planets?
Nne f them has an envirnment like that f the earth.
It is impssible t imagine.
Shenzhu-11 spaceship
Shenzhu-11 is a manned (人造的)spaceship.
Scientists have sent ___________t the planet Mars t take phts.
They have even sent spaceships __________ (travel) utside the slar system.
Read paragraph 4 and fill in the blanks.
Hwever, n spaceship has travelled far enugh t reach ther stars in ur Galaxy..
然而，还没有一艘宇宙飞船旅行得足够远，能到达银河系中的其他恒星。
Read para5 and retell.
Scientists have always ____the questins: with s many_____in ur ______,are we ____, r is there life ut there in_______? Have there been visitrs t the earth frm ther planets?Why has n ne frm ther planets ___________with us?We d nt knw the
cmmunicated
What have the scientists just received?(a message frm ne f ur spaceship)They have just received a message frm ne f ur spaceships.
Where has the spaceship landed? (Mars)What has the spaceship discvered? (peple n Mars)Why have the peple n Mars nt sent us a message? (d nt knw hw t)Why have the peple n Mars nt visited us n the earth? (d nt knw hw t)
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)
It has landed n Mars.
2. What has the spaceship discvered? (peple n Mars)3. Why have the peple n Mars nt sent us a message? (d nt knw hw t)
It has discvered peple n Mars.They d nt knw hw t send us a message.
They d nt knw hw t visit us n the earth.
4. Why have the peple n Mars nt visited us n the earth? (d nt knw hw t)