英语八年级下册Unit 3 Language in use评课ppt课件

这是一份英语八年级下册Unit 3 Language in use评课ppt课件，共27页。PPT课件主要包含了have sent，has taken，have ， have sent，have，sent，planets，universe，space， have等内容，欢迎下载使用。

M3U3 Language in use ---Make an interview abut astrnauts and write a passage abut space.
Learning aims:1. Read the passage and summarize the structure f describing uter space. 2. Make an interview abut astrnauts and write a passage abut space.3. Discuss with yur partner and share yur passage.
Pre-writing
Scientists __________ spaceships t Mars. The jurney ___________ several mnths.
Task 1: Revisin
Scientists ______ als _________ many ther galaxies in the universe.
Scientists__________ spaceships t the planet Mars t take phts. They_____ even ______ spaceships t travel utside the slar system.
Astrnauts___________________ the mn.
have already been t
N ne _____________ Mars yet, because Mars is very far away, much farther than the mn.
has been t
N spaceship ____________ far enugh t reach ther stars in ur Galaxy.
has travelled
Questin 1: What des the universe lk like?
Questin 2: What have humans dne t explre (探索) the universe?
Questin 3: What shuld we d t prtect it?
Task 2: Make an interview fr an astrnaut.
slar system
Galaxy r Milky Way
many galaxies
1.What des the universe lk like?
2.What have humans dne t explre(探索) it?
sent spaceships t space
built space statin
sent astrnauts t the mn
sent satellites t space
sent spaceships t Mars
sent astrnauts t Mars
reached ther stars in ur galaxy
fund life n any ther planets
3. What can we d t prtect it?1. Let the astrnauts nt thrw rubbish in space.2. T make laws abut sending spacecraft. 3. Try t send the ld spacecraft t higher track(轨道).4. Develp sme rbts t get them back.5. Burn the space junk.6. Build a space statin t cllect them.But s far they haven’t fund any perfect(完美) way.
While-writing
Write a passage abut the space accrding t the interview.
The universe is very large. There are many galaxies in it, such as the Galaxy. There are billins f stars in the Galaxy, and ur sun is nly ne f them. The earth and seven ther planets g arund the sun. There has been life n the earth fr hundreds f millins f years. Scientists have dne a lt f research abut space. Astrnauts have been t the mn. Scientists have sent spaceships t Mars. Hwever, they have nt fund life n any ther planets yet. Is there life ut there in space? We dn't knw the answer, but sme scientists believe that they will find the answer sme day. Let's lve and prtect ur universe! Of curse, the earth is ur hme, we shuld prtect it as well.
Pst-writing
1. Share yur passage in yur grup.2. Chse the best passage in yur grup t give a presentatin in class.3. Give suggestins t thers.
在现在完成时的句子中，already(已经)、just(刚刚)常用于肯定句，放在have和has的后面。yet (还、尚、仍然)常用于否定句和疑问句，（放在have和has的后面也可放在句末）。
Spaceship n Mars!Astrnauts have (1) ________ been t the mn but they have nt been t any ther planets. Hwever, a spaceship (2) _______ arrived n Mars and it has (3) _______ sent back phts f the red planet. Is there life n Mars? We d nt knw (4) ________.
Cmplete the news with already, just and yet.
have/has been t与have/has gne t的区别:have/has been t表示某人“去过某地，现在已经回来了”。have/has gne t表示某人“去某地了”，还没回来。
1. Astrnauts have been / gne t the mn and returned.2. The spaceship has been / gne int space. It will travel fr ten days.3. The astrnaut has been / gne t the space statin. He will cme back tmrrw.4. The spaceship has been / gne t the space statin. It brught back tw astrnauts.
Nw chse the crrect answer.
Cmplete the sentences with the expressins in the bx.
1. A spaceship ____________ t Mars. It is cming back t the earth next year.
2. Lts f astrnauts ___________ t the space statin. They fund it very interesting.3. Sme astrnauts ____________ t the mn twice.4. Tw British astrnauts ____________ t the space statin. They will cme back in January.