2020-2021学年Unit 4 Astronomy: the science of the stars图文课件ppt

这是一份2020-2021学年Unit 4 Astronomy: the science of the stars图文课件ppt，共47页。PPT课件主要包含了taʊəl，看谁答的快又准，tissue，towel，attach，out，satellite，agency，data，figure out等内容，欢迎下载使用。

Hw can astrnauts sleep when they are flating in space?
In the zer-gravity wrld, there are n "ups" r "dwns". The astrnauts can sleep anywhere facing any directin. But it's nt gd t be flating away smewhere while sleeping. S the astrnauts use small sleeping cmpartments and sleeping bags. They will strap their bdies lsely s that their bdies will nt flat arund while they sleep in the Space Shuttle.
Eye masks and earplugs are als available fr the astrnauts wh are unable t sleep due t the nise frm air cnditining and ther machines.The astrnaut's sleeping cycle, while in the Space Shuttle, allcates eight hurs fr sleeping. Hwever, in mst cases, they will sleep fr arund 6 hurs, since they ften wrk lng hurs r they'll spend their time enjying the view f the utside frm the Shuttle's windw.
Are yu curius abut life in space?
Opening it, she remved a tissue and wiped the tears frm her face.
A twel is used fr drying r wiping a bdy r a surface.
piece f absrbent paper
Yu can attach files, sunds, and images t messages like yu can with e-mails.
Yu need t knw what t abandn if yu run ut f time.
add sth. t sth. elsebe assciated with sth.
cme t endrun ut
1.Lri thanked her fr the ______ and wiped her eyes again. 2.Sarah remved the _______ frm her hair.3.They can als ______ links t vides r phts.4.We have run ____ f excuses and we are running ut f time.
Let’s listen
Lk at the pictures belw and guess whether they wuld be useful fr astrnauts in space.
Listen t the interview and answer the questins.
What did Captain Brwn usually wear inside the statin?Hw did he prepare his fd in space?
Shrts and a T-shirt.
He just needed t heat the fd.
3.Hw did he keep himself clean in space?4.Hw did he spend mst f his time in space?
He used a sap and a twel t wash and brushed his teeth the same way as we d n earth.
He spent mst f his time ding different experiments.
5.What did he d during his free time?6.What did he lk frward t mst during his stay in space?
He played the guitar and jazz.
Weekly vide call frm his family.
Hw t express curisity?
I’d lve t knw…Well, I’d really like t find ut…I’m mst cuprus abut…I’m very keen t knw…I wish t knw…
I wnder hw/what/why…I’d particularly like t knw…I’m mst interested t discver…I hpe yu wn’t mind me asking abut…
If yu are ging t a space camp and Captain Brwn has been invited t give a talk, what wuld yu like t ask him?
Discuss with yur partner!
Share yur idea!
EXAMPLE:A: Hey, guys. We’re ging t meet a real astrnaut. Isn’t it exciting?B: Yeah. I can’t wait t see Captain Brwn! I’m really curius abut his life in space. I have plenty f questins t ask him.C: Such as?B: Oh, such as what facilities d they have in space t supprt their daily life?C: That sunds like a gd questin. But I’d als like t knw abut hw astrnauts sleep. What d they d s as nt t flat arund while they sleep?
Let’s assess
Lee was busy at wrk. Unlike mst peple arund the wrld thugh, his wrkplace was in space. There was a prblem with a(n) _________. It was suppsed t send infrmatin abut the sun back t the _________ n Earth, but the equipment fr sending the _________ was nt wrking prperly. S it was Lee’s missin t ___________ the prblem and slve it.
Fill in the blanks with the wrds and phrases in the bx.
Lee was very __________ as a(n) _________, and he was als very careful. He was __________ t make the satellite wrk prperly again, but he wuld make sure t be safe. He knew that ne small mistake culd _________ death.
intelligent
1.After having succeeded in _______ satellites int space, peple wanted t knw if it was safe fr a human t g int space. On 3 Nvember 1957, a dg named Laika became the first living thing _______ space, She was als the first ne t die there.
Cmplete the sentences with the crrect frms f the wrds.
2.The USSR and the US bth wanted t be the first t send a persn t the mn. Later, the US succeeded, and Neil Armstrng became the first man ________ nt the mn. During the first mn landing, astrnauts had n vehicles ________ n the mn, astrnauts tk a lunar vehicle s that they culd explre places further away.
3.Astrnauts must wear spacesuits when they wrk in space because there is n air _________ and it can be very cld utside the spacecraft. While _______, they must attach themselves t smething s as _________ flating accident n the Apll 13 spacecraft resulted in a lss f xygen, water, and electrical pwer. The astrnauts n bard had t fight __________. At the same time, Hustn’s Missin Cntrl wrked hard ______ the astrnauts return t Earth safely.
Give a presentatin n China’s space explratin.
Search nline r in the library fr infrmatin abut China’s achievements in space explratin.Organize the infrmatin int a table like the ne belw.
The steps f shwing a presentatin
1. Get int grups.
2. Each grup will be assigned several missins.
3. Prepare fr the presentatin by finding ut mre detail.
4. Prepare a slide presentatin using the infrmatin yu have fund.
5. Shw yur slide presentatin t the whle class.
1.attach vt. 系；绑；贴
Language pints
attach imprtance tattach tattach neself tattach nte
What makes Leg successful is that any part can attach ____ any ther via a universal cnnectr. He attached a stamp n the envelpe.Why d we attach such imprtance t statistics when they tell us s little abut what is t cme?
为什么数据统计只能告知很少将要发生的事情，我们却要如此重视它呢？
2.run ut 用完；耗尽
run thrughrun acrssrun againstrun alngrun arund run away frm
东奔西跑；（孩子）到处玩耍
Many seem t naively believe that we wn’t run ______ f the resurces we need t keep this system ging. 许多人天真地认为，我们不会耗尽所有的资源，我们必须让这个系统持续运转下去。They lve t run ________ n the playgrund. 他们喜欢在操场上跑来跑去
1.Sme satellites can g arund Earth in 90 minutes. Others that are much further away can take a whle day t _________ circles first began appearing in England in 1975. Sme peple believe these mysterius ________ are created by aliens.
3.Te musician hpes that he will have ________ time t make the new yu begin exercising, yu shuld spend five r ten minutes warming up yur write dwn a list f the things yu want t buy. Yu will frget them _________.
6.If yu encurage students t express their thughts and creative ideas, they will learn t becme ___________ might be right, but dn’t try t cnvince peple by ________. Because if they are angry, they will be unable t hear yu.
independent
8.The safety vide shws the prper __________ fr leaving the cinema in case f directin in which educatin starts a man will _________ his future life. ——Plut10.This training is designed fr anyne wh has _______ knwledge f utdr survival.
What d yu think is the mst interesting part f an astrnaut’s life? Why?What new infrmatin did yu learn frm this unit?D yu find it easier t use English t express curisity nw?D yu feel mre cnfident abut writing an argumentative essay in English nw? Why r why nt?
Ideas cme frm curisity.
——Walt Disney