人教版 (新课标)必修3&4Unit 4 Astronomy: the science of the stars示范课课件ppt

这是一份人教版 (新课标)必修3&4Unit 4 Astronomy: the science of the stars示范课课件ppt，共34页。PPT课件主要包含了Lead-in，New words，Let’s play，signal，satellite，frontier，orbit，mankind，vehicle，Pair work等内容，欢迎下载使用。

“That’s ne small step fr a man, ne giant leap fr mankind.”--Neil Armstrng, 1969
Scientists make vehicles t get t the final frntier.
China has a great satellite launch industry.
That’s ne small step fr a man, ne giant leap fr mankind.
Mars and Earth have rbits which change with time.
His success signals he can make chice independently.
dependently
1.The incident n the ________（边境） is the reasn f the sent the ________ （信号）t the ________（人造卫星） yu an ___________ （独立的）persn?4.The ________ （人造卫星）sits in a very special ______ （轨道） histry is a surce f pride fr ________（人类）.6.I want t have an all-electric ________ （交通工具）.
independent
1. What d yu think are the main reasns fr space explratin?2. If yu are the authr, what will yu write in each paragraph?
Try t use the wrds and phrases we have learnt t discuss the fllwing tw questins with yur deskmate:
Reading task
Read the text. Several sentences have been remved frm it. Chse the crrect sentence t fill each gap.
A. Althugh scientists try t make sure nthing ges wrng, accidents can still happen.B. They als really wish t discver ther planets that are suitable enugh t supprt life.C. The future f space explratin remains bright.D. After many experiments, they succeeded in making rckets that culd escape Earth’s gravity.
Space: The Final Frntier (1)
Space: The Final Frntier(2)
Befre the mid-20th century, mst peple felt travelling int space was an impssible dream. Hwever, sme scientists were determined t help humans relies their dream t explre space.______________________________________________________________________________ On 4 Octber 1957, the Sputnik 1 satellite was lunched by the USSR and successfully rbited arund Earth. Afterwards, the USSR fcused n sending peple int space and n 12 April 1961, Yuri Gagarin became the first persn in the wrld t g int space. Over eight years later, n 20 July 1969, American astrnaut Neil Armstrng stepped nt the mn, famusly saying, “That’s ne small step fr [a] man, ne giant leap fr mankind.” Fllwing this, many mre gals were achieved. Fr example, America’s NASA space agency launched Vyager 1 n 5 September 1977 t study deep space, and it still transmits data tday.
After many experiments, they succeeded in making rckets that culd escape Earth’s gravity.
Space: The Final Frntier(3)
____________________________________________________________________ All the astrnauts n the USSR’s Syuz 11 and America’s Challenger died during their missins. These disasters made everyne sad and disappinted, but the desire t explre the universe never lied. This is because peple believe in the imprtance f carrying n space explratin despite huge risks. An example f this nging wrk in the Internatinal Space Statin. It rbits Earth and has astrnauts frm different cuntries n bard, prviding a cntinuus human presence in space.China's space prgram started later than thse f Russia and the US, but it has made great prgress in a shrt time. China became the 3rd cuntry in the wrld t independently send humans int space in 2003, when Yang Liwei successfully rbited Earth in the Shenzhu 5 spacecraft. Then Shenzhu 6 and 7 cmpleted a secnd manned rbit and the first Chinese spacewalk, fllwed by the vehicle Jade Rabbit being sent t the mn t study its surface. After that, China launched the Tiangng 2 space lab int space and Tianzhu 1 t dck with it. This signalled ne step further in China's plan t establish a space statin in the future. Mre recently, China has sent Chang’e 4 t explre the surface f the far side f the mn t make measurements and bservatins.
Althugh scientists try t make sure nthing ges wrng, accidents can still happen.
Space: The Final Frntier(4)
Reading Extensin
There are varius kinds f satellites t achieve different functins.Fr example：Navigatin Satellite: generate psitining infrmatinCmmunicatin Satellite: used fr televisin, telephne, radi, internet, and military applicatinsMeterlgical Satellite: transmit frequent picture f the earth ——weather reprtNw d yu realize hw imprtant t launch satellite fr each cuntry?
Use yur wn wrds t summarize the main idea fr each paragraph
Paragraph 1:Paragraph 2:Paragraph 3:Paragraph 4:Paragraph 5:
The reasns fr space explratin.
The develpment f space explratin.
The risk f space explratin.
China’s space prgramme.
The future f space explratin.
After reading
Hw t summarize the main idea?
The first sentence f the paragraph.
The last sentence f the paragraph.
Read the full paragraph carefully and find the wrds r ideas that repeat themselves.
Cmplete the passage with wrds frm the text
M______ is explring space in the hpe f finding ut mre abut the u_______. Hwever, explring space is bth dangerus and challenging. One f the mst dangerus parts f space explratin is helping peple t escape Earth’s g______. If there is a mistake during the l______, it can lead t an accident that kills everyne n b_____. Getting ut f ____ and back t Earth’s surface is als very dangerus. Despite the huge risks thugh, peple will always cntinue t explre this final f______ s as t learn its secrets.
Reading fr details
USSR launched the Sputnik 1 satellite.
12 April, 1961
Neil Armstrng stepped nt the mn.
NASA launched Vyager 1.
What des the title “Space: The Final Frntier” mean t yu?
Share yur ideas!
Difficult sentences
They als really wish t discver ther planets that are suitable enugh t supprt life.
Language pints
China’s space prgram started later than thse f Russia and the US.
than前后同类之间进行比较，China’s space prgram与space prgram f Russian and the US 进行比较，不可省略thse f，如果省略thse f，前后比较的主体不同。
Imprtant wrds
1.determined adj.有决心的；意志坚定的determine vt.查明；确定；决定t be determined be determined bybe determined t ddetermine t d
He determined ______ learn English.That was determined ________ a lt f factrs
我们决定学习新的方法。
Eg:We determined t study a new methd.They are determined t carry frward the enterprise.
他们决心把事业进行下去。
出海，出航；出产，生产；开始新的东西
对…发动进攻；向…首次推出
2. launch vt. & n.发射；发起；上市launch a drivelaunch ut launch vehicle launch n
3. disappinted adj.失望的；沮丧的disappint vt. 使（人）失望disappinting adj.令人失望的
I can’t __________ them.If yu d smething in a wrng way, yu will nly be _____________ in the end.If yu d smething in a wrng way, yu will get a _____________ result.
disappinted
disappinting
4.desire n.渴望；欲望vt.渴望；期望desire fr sth. 渴望；渴望得到desire t d 希望
We all desire ______ happiness and health.Susan desires ______ achieve her bjectives s she wrks hard.
5.independently adv.独立地；自立地independent adj.独立的；自立的be independent findependent studyindependent thinkingindependent schlpublic schl
不依赖…;不受…支配；独立于…之外
研究人员发现，这两个联系是彼此独立存在的。
翻译:1. The researchers discvered that these tw cnnectins were independent f each ther.2. Teachers encurage students t think independently.3. Teachers encurage students t practice independent thinking.
老师鼓励学生们独立地思考。
老师鼓励学生们练习独立思考。
反义词：dependent adj. 依靠的，依赖的；取决于…的be dependent n 依赖，依靠；取决于
He depends n his father a lt.The result f this examinatin depends n the time yu spend n it.
这次考试的结果取决于你在它身上花了多长时间。
The team will have t carry ____ withut me.
抬出去；执行；进行；完成，实现
把…带进去；帮助…渡过难关；完成
Imprtant phrases
1. carry n 继续做，坚持干carry abutcarry utcarry thrughcarry alngcarry awaycarry frwardcarry ff
夺去；获得；使丧命；成功地处理
I hpe ____ g t a better university.I hpe _______ tnight will be dry.We hpe _____ an early spring.He was studying _______________ being admitted t a better cllege.
怀着…的希望，希望能…
2. in the hpe f ding sth. 抱着…的希望in the hpe that +从句 hpe fr sth. hpe t d sth.
in the hpe f
He read a lt _________ learn abut the histry f China.___________ get gd results, we shuld d ur best t study the lessns.
3. s as t (d sth.) 为了；以便in rder t 为了…二者区别：in rder t 可放于句首，而s as t不可。
1.Next time we carry ____ with mre tpics n space wrkers std _____ bard, singing practice dancing ____ the hpe f getting a better gt up early ________ （为了）catch the first is ne f the places where ________（人类） rbit f a space satellite decayed. (翻译)7.Transmitting data is very imprtant in ur daily life.
人造卫星轨道的能量消减了。
在我们的日常生活中传输数据十分重要。