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说课课件ppt

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说课课件ppt，共19页。PPT课件主要包含了Revision，太阳系，八大行星绕着太阳转，Galaxy 星系，Reading，that，old enough，Exercises等内容，欢迎下载使用。

1._______yu_______lunch ________? 你吃过午饭了吗？2. We ______ already_______ the mvie twice. 我们已经看过那部电影两次了。3. She ______ _______ ______her brther_______. 她还没收到她哥哥的来信。4. ______it arriived _______? 它还未到达吗？5. We _______ ________yet because we are nt sure hw t make it. 我们还没有开始，因为我们不确定怎样弄。
Have had yet
have seen
hasn't heard frm yet
Has yet
haven't started
( )1. I haven't started the prject_______. A.already B.just C.ever D.yet( )2.My father isn't here. He _____t wrk. A.has gne B.went C.has been D.will g( )3.Scientists have tired t _____infrmatin ____ther planets. A.sent, up B.send, t C.send, fr D.send, n( )4.Tny has nt cme yet. And I＿＿fr him nearly 2 hurs. A.waiting B.waited C.have waited D.will wait
nne prn. 没有一个envirnment n. 环境slar adj. 太阳的，与太阳有关的system n. 系统，体系slar system 太阳系，星系grup n. 群，组galaxy n. 星系universe n. 宇宙light n. 光，光线，光亮impssible adj. 不可能的ut adv. 在远方cmmunicate v. 联系，交流
The sun and its eight planets are called the slar system.
Eight planets g arund the sun.
Milky Way 银河
The slar system is a small part f a much larger grupf stars and planets.
恒星 行星
Universe 宇宙
(Activity 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
1. The earth is a star. □2. The sun is a star. □3. There is mre than ne galaxy in the universe. □4. The light frm the stars in ther galaxies has travelled fr a lng time t reach us. □5.Scientists have received many messages frm space. □6. Spaceships have visited mst f the universe. □
Check (✓) the true sentences.
N spaceship has travelled far enugh t reach ther stars in ur Galaxy.
1.数亿年 _______________________2.围绕太阳转 _______________________3.七颗其他行星 _______________________4.他们中没有一个 _______________________5.太阳系 _______________________6.在宇宙中 _______________________7.在太阳系外旅行 _______________________8.多（巨）大 _______________________9.到达其它恒星 _______________________10.跟我们联系 _______________________
hundreds f millins f yearsg arund the sunseven ther planetsnne f themthe slar systemin the universetravel utside the slar systemhw largereach ther starscmmunicate with us
我们学校已经有两个游泳池了。
1. Scientists think (that) there has been life n the earth fr hundreds f millins f years. 科学家认为亿万年前地球上已有生命存在了。
There have been tw swimming pls in ur schl.
there be 句型的将来时：there will bethere be 句型的现在完成时：there have been
There are tw swimming pls in ur schl.There will be tw swimming pls in ur schl.
2. The earth is a planet and it ges arund the sun. 地球是一颗行星，它绕着太阳转。
（自然规律，用一般现在时）
3.Nne f them has an envirnment like that f the earth.
没有一颗行星拥有一个像地球那样的环境。
（that指代envirnment)
The weather f Hainan is htter than _______ f Beijing.
Nne f （表示三者以上都不）如果后面接名词复数，谓语则可单数可复数。 Neither f (表示两者都不) 谓语为单数Nne f the students (be) abrad. Neither f my parents (be) a dctr.
have / has been
4. 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. 太阳和它的行星被叫做太阳系，我们的太阳系只是 一个由恒星和行星组成的星群里的一小部分，这个 星系比太阳系大得多，叫做银河系，或者银河。
5. They are very far away and their light has t travel fr many years t reach us. 它们很遥远，它们的光必须要经过许多年 才能到达我们这里。6. Hwever, n spaceship has travelled far enugh t reach ther stars in ur Galaxy. 然而，没有一艘宇宙飞船已经旅行到足够远而到达我们银河系中的其他恒星。
enugh +名词形容词/副词+ enugh
1）He is ______________t g t schl. 他的年纪已经足够去上学了。2) We earned _______________t buy a new huse. 我们挣的钱够买一幢新房子了。
enugh mney
7. Why has n ne cmmunicated with us? 为什么还没有人和我们联系呢？ cmmunicate with sb 与某人取得联系
一、根据句意及提示，填写正确的单词1. Nthing is _________(不可能的)if yu put yur hearts in math prblem is s difficult that__________(没有一个)f us can wrk it ut.3. ________(光)travels much faster than sund.4. We need a quiet __________(环境)t study fr a cming exam.5. I suggest yu use We-chat t ___________(交流)with her.
impssible nne
Light envirnment cmmunicate