英语八年级下册Unit 3 Language in use教学课件ppt

这是一份英语八年级下册Unit 3 Language in use教学课件ppt，文件包含Module3Unit3pptx、M3U3-7wav等2份课件配套教学资源，其中PPT共45页， 欢迎下载使用。
Scientists have sent spaceship t Mars. The jurney has taken several mnths.
Astrnauts have already been t the mn.
N ne has been t Mars yet, because Mars is very far away, much farther than the mn.
Scientists have als discvered many ther galaxies in the universe.
Language practice
I’ve just made a mdel spaceship. Has it arrived yet? Astrnauts have already been t the mn.We have nt fund life n any ther planets yet.
现在完成时（二）1. 用法：1) 表示发生在过去的动作，对现在造成的影响或 产生的结果，不与表示过去的时间状语连用。 I have cleaned the rm. （房间是我在过去打扫的，现在仍是干净的。）
2) 常与already，yet，never，ever，just等副词 连用。① already意为“已经”，通常用于肯定句中，可 放在助动词之后，过去分词之前，也可以放在 句末。 I’ve already read this bk.
② yet用在疑问句中，意为“已经”；用在否定句 中，意为“还”。yet常放在句末。 — Has he fund his watch yet? — N, nt yet.
③ just意为“刚刚”，表示动作刚刚发生，常放在 助动词与过去分词之间。 He has just cme back frm schl.
④ ever意为“曾经”，用于疑问句或否定句中， 放在助动词与过去分词之间。 Have yu ever been t Hng Kng?⑤ never意为“从来没有”，常与befre连用。 I have never travelled by plane befre.
3) 不能与表示过去的时间状语如yesterday, tw days ag等连用，但可以和表示从过去某一时刻 延续到现在（包括“现在”在内）的时间状语连 用， 如 tday, befre, this mrning, these days, s far, in recent years 等。 I have written tw letters this mrning.
2. 现在完成时与一般过去时的区别:1) 现在完成时：表示过去发生的动作对现在造成了 影响或产生了结果，不与确定的表示过去的时间 状语连用。 Jill has bught a new cmputer. （着重点是现在有了一台新电脑）
2) 一般过去时：表示过去某个时间发生的事情、存 在的状态或发生的动作。侧重点在于陈述一件过 去的事情，不强调对现在产生的影响。 He visited Guilin in 2008. （只说明去桂林的时间）
3. have been t，have gne t和have been in的区别:
have been t
have been in
“待在”常常和表示持续意义的时间状语连用。
I have been tBeijing.
She has gne t Shanghai.
I have been inWuhan fr five years.
Cmplete the news with already, just and yet.
Spaceship n Mars!Astrnauts have (1)_______ been t the mn but they have nt been t any ther planets. Hwever, a spaceship has (2) _____ arrived n Mars and it has (3) _______ sent back phts f the red planets. Is there life n Mars? We d nt knw (4)____.
Lk at these sentences.
The spaceship has gne t Mars. It has gne there, but it has nt cme back yet.Astrnauts have been t the mn. They went there and then they came back.
Nw chse the crrect answer.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.
Cmplete the sentences with the expressins in the bx.
have/has been have/has gne
1. A spaceship ________ t Mars. It is cming back t the earth next year.2. Six taiknauts __________ t the Tiangng space statin by May 2022.
3. Nie Haisheng _________ t space three times.4. Tw British astrnauts __________ t the space statin. They will cme back in January.
Cmplete the cnversatin with the crrect frm f the verbs in brackets.
Nicky: I’ve just (1)__________(watch) a great TV prgramme abut space. Did yu knw that scientists have (2)__________ (discver) water n Mars? Bill: Yes, I did. And scientists (3)_________ (try) t find life n Mars nw.
are trying
Nicky: Yes, they’re lking fr life but they _____________ (nt find) anything yet. Bill: There were sme new phts f Mars in the newspaper tday. (5) ______ yu _____ (see) them yet?Nicky: Yes. They’re amazing!
have nt fund
Have seen
Wrk in pairs. Rle–play the cnversatin in Activity 4.
I’ve just watched a great TV prgramme abut space. Did
Yes, I did. And scientists…
Cmplete the email with the wrds in the bx.
been just met never read written yet
FROM: Liu DanTO: Li FangSUBJECT: I’ve fund a great bk.
Dear Li Fang,I’ve (1) ________ finished reading a great bk at schl. I haven’t (2) ________ anything as gd as that fr a lng time! It’s a stry abut the slar system. In the bk, the writer imagines that astrnauts have (3) _______ t Mars. I’ve (4) ________ thught abut that befre and I think it’s very interesting.
I haven’t (5) _______ anyne famus in my life but I hpe ne day I can meet an astrnaut. I’ve (6) _______ t a Chinese astrnaut fr mre infrmatin abut space and his experience f space travel. I hpe he will write back. He hasn’t (7) _______. Maybe he is t busy. I’m still waiting.Best wishes, Liu Dan
Listen and cmplete the ntes.
1. The astrnaut jined CNSA _________ years ag.2. He has flwn in a spaceship ________ times.3. He felt __________ when he was in the spaceship.
4. He has been t the space statin _________.5. The earth was blue and very __________ when he saw it frm the space statin.6. He decided t be an astrnaut because he has always been __________ in space.
TapescriptsInterviewer: Tday’s prgramme is abut space travel. I’m talking t an astrnaut  frm CNSA. Hell, we’re interested t  hear abut yur experiences in space.  When did yu jin CNSA? Astrnaut: Six years ag.
Interviewer: And hw many times have yu flwn  in a spaceship? Astrnaut: Tw times. Interviewer: Hw did yu feel when yu were in  the spaceship? Astrnaut: I enjyed it. It was very exciting. Interviewer: Have yu wrked n the space statin? Astrnaut: Yes, I have. I’ve already been there twice.
Interviewer: Have yu seen the earth frm the  space statin? Astrnaut: Yes, I have. It’s very blue, and very beautiful. Interviewer: Hw wnderful! Hw did yu feel  when yu saw it? Astrnaut: I was s happy. I wanted t cry.
Interviewer: I’m sure. Tell me, why did yu decide  t becme an astrnaut? Astrnaut: I’ve always been interested in space.  It’s s exciting! Interviewer: D yu think there’s life n ther planets? Astrnaut: Yes, I d. The universe is s big.  There are S many galaxies, and s  many slar systems.
Interviewer: But we haven’t fund anything yet. Astrnaut: We’ve nly just begun t lk. Give  us time! Interviewer: (laughing) Anther hundred years maybe? Well, thank yu fr talking  t us. It’s been great t talk t yu. Astrnaut: Thank yu.
Cmplete the wrd map with the wrds and expressins in the bx.
astrnaut Mars spaceship space statin the earth the mn the sun
slar system
space travel
space statin
________________________________________________________________________________________________________________________________________________________________
Nw add mre wrds abut space t the wrd map and write five sentences.
We’ve just read a stry abut a space statin near the sun.Astrnauts haven’t been t the sun, because it’s t ht.
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Spaceships are travelling in ur slar system at the mment.I am interested in space and the stars and plants in ur galaxy.I think scientists will send astrnauts t Mars ne day.
Cmplete the passage with the crrect frm f the wrds in the bx.
astrnaut discver mn news reach spaceship yet
In July 1969, Neil Armstrng became the first (1) _________ t walk n the (2) _______. Peple all arund the wrld watched their
televisins and waited fr the (3) _______ t (4) ________ the earth. We have nw (5) __________ a lt mre abut ur slar system, and we have sent (6) __________ t Mars, but n ne has walked n that planet (7) ________. But I believe ne day smene will!
Many Eurpean languages use the names f the heavenly bdies fr the days f the week. Fr example, in English, Saturday is named after the planet Saturn, the sixth planet frm the sun. Sunday is the day f the sun, a traditinal day f rest. Mnday gets its name frm the mn and is the day f the mn.
Names f the days f the week
Mdule task: Making a pster abut space travel
Wrk in grups. Chse a subject, fr example, the first mn landing r China’s manned space travels. Lk fr sme phts and infrmatin abut it.
Write captins fr the phts and use the infrmatin yu fund in Activity 10 t write a descriptin f each ne.
Give yur pster a title. Put it up fr yur classmates t see.
Neil Armstrng
Edwin “Buzz” Aldrin
Michael Cllins
The first mn landing
They tk the picture f Edwin Aldrin’s ftprint.
What did they d?
Buzz Aldrin psed with the American flag n the surface f the mn in July 1969.