人教版 (2019)必修 第三册Unit 4 Space Exploration课堂教学ppt课件

这是一份人教版 (2019)必修 第三册Unit 4 Space Exploration课堂教学ppt课件，共35页。PPT课件主要包含了Lead-in， ℃ ，Rocket， spacewalk，Para 1，space，find out，suitable，Para 2，Para 3等内容，欢迎下载使用。

Learning bjectives
At the end f this class, I will be able t:1. summarize the main idea fr each paragraph based n tpic sentences. 2. use sme reading strategies.3. have a better understanding f the title, and the spirits f space explratin.
Hw much d yu knw abut space explratin?
Let’s d a small test.
Are yu ready?
1. There are eight planets in the Slar System.

2. Ftprints left by astrnauts n the lunar surface(月球表面) wuld disappear.
3. The httest planet in the slar system is Venus(金星).
4. The human bdy will explde in space withut a spacesuit(太空服).
Because human skin is flexible enugh t prevent internal rgans frm cming ut.
5. There is n sund in space.
Because there is n air in space, and air transmits sund.
What lifts the space shuttle int space?
Astrnauts leave the spacecraft and wrk utside.
Let’s read a passage abut the develpment f space explratin .
Befre yu read, lk at the title and the phts.
Wh’s the astrnant?When did he step n the mn?
What is “Challenger” ?
What is Jade Rabbit used fr？
Task 1: Several sentences have been remved frm the text. Chse the crrect sentences [A-D] t fill each gap. (P40)
While-reading
B. They als really wish t discver ther planets that are suitable enugh t supprt life.
D. After many experiments, they succeeded in making rckets that culd escape Earth’s gravity.
A. Althugh scientists try t make sure nthing ges wrng, accidents can still happen.
C. The future f space explratin remains bright.
Summarize the main idea
Task 2: Skimming fr the main idea
Para. 1: Peple are ___________________and scientists ___________ ________________.Para. 2: In the 20th century,___________________________________ ________________________.Para. 3: Humans _____________________________ in spite f _______________.Para. 4: China’s space prgramme _____________________________ _________________________________________________.Para. 5: The future f space explratin ________________________ ___________________________.
lks bright, as many cuntries
curius abut space
t find answers
American and Russia space missins
cntinue the space explratin
the great risks.
has made great prgress, becming
the 3rd cuntry t independently send humans int space
are planning further missins
made space travel a reality
Use yur wn wrds t summarize the main idea fr each paragraph.
Peple have always wanted t learn mre abut ______, they make _______ t carry brave peple int space: t ________ the secrets f the universe hpe t discver ther planets that are ________ enugh t supprt life
vehicles
Task 3: Reading fr details
the Sputnik 1 satellite
successfully rbited arund Earth
Yuri Gagarin
Neil Armstrng
That’s ne small step fr [a] man, ne giant leap fr mankind
1. The desire t explre the universe never died after these accidents, why?
2. Can yu give us an example?
This is because peple believe in the imprtance f carrying n space explratin despite the huge risks.
An example f this nging wrk is the Internatinal Space Statin. It rbits Earth and has astrnaunts n bard.
July 23, 2020, Tianwen 1 – a Mars prbe, was sent t the Space.
Zhurng, ne f the missin rver f the Tianwen 1, is tasked with detailed missin.
China als made great prgress in space explratin!
China’s space explratin
What attitude d yu think the authr hlds t the future f space explratin? A. wrried B. supprtive C. dubtful D. ppsed
Para 2. Achievements f American and Sviet
Para 3. Space explratin cntinues in spite f great risks
Para 4.China’s achievements
Para 5. The future f space explratin
Space: The Final Frntier
Para 1:Peple are curius abut space
Further thinking:
What’s the writing type f the passage?
The title is __________________ and shws the _______.___________________________ are used t make language __________,_________ and easy-understanding.The beginning ffers brief infrmatin abut ____________.
A ppular science article is written fr the public t ppularize scientific cnclusins, develpment r theries.
Examples and specific numbers
brief and attractive
a ppular science article
Peple have always wanted t learn mre abut space. Befre the mid-20th century, mst peple felt (1)__________ (travel) int space was an impssible dream. Hwever, (2)_____ the help f scientists, peple succeeded in realizing their dream (3) ___________ (explre) space. On 4 Octber 1957, the Sputnik 1 satellite (4) ______________ (launch) by the USSR. (5) ___________ scientists try t make sure nthing ges wrng, accidents can still happen. These disasters made everyne (6)_____________ (disappint), but peple still believe in the imprtance f (7) _________(carry)n space explratin.
travelling
was launched
disappinted
Pst-reading:Retell the text
In 2003, China became the third cuntry t (8)____________ (independent) send humans int space. Then Shenzhu 6 and 7 cmpleted (9)____ secnd manned rbit and the first Chinese spacewalk. In spite f the difficulties, scientists hpe future (10)____________ (discvery) will nt nly enable us t understand the universe but als help us survive well int the future.
independently
SPACE: THE FINAL FRONTIER“Are we alne? What’s ut there?” Lking up at the stars, peple have always wanted t learn mre abut space, and scientists wrk hard t find answers. They make vehicles t carry brave peple int space t find ut the secrets f the universe. They als really wish t discver ther planets that are suitable enugh t supprt life.
Paragraph 1
此句是并列句，and为并列连词
现在分词短语作时间状语，相当于when/while引导的时间状语从句
不定式短语作wish的宾语
that 引导的定语从句, 修饰先行词planets
Language Pints
Befre the mid-20th century, mst peple felt travelling int space was an impssible dream. Hwever, sme scientists were determined t help humans realise their dream t explre space. After many experiments, they succeeded in making rckets that culd escape Earth’s gravity. On 4 Octber 1957, the Sputnik 1 satellite was launched by the USSR and successfully rbited arund Earth.
Paragraph 2
that引导限制性定语从句，为关系代词，在从句中作主语
苏维埃社会主义共和国联盟（Unin f Sviet Scialist Republics）
be determined t d 下定决心做某事
felt后是省略了that的宾语从句
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.
the +序数词/最高级+n. +t d sth.
Althugh scientists try t make sure nthing ges wrng, accidents can still happen. 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 died. This is because peple believe in the imprtance f carrying n space explratin despite the huge risks. An example f this nging wrk is the Internatinal Space Statin. It rbits Earth and has astrnauts frm different cuntries n bard, prviding a cntinuus human presence in space.
Paragraph 3
此句为并列句，but连接两个并列分句
Althugh引导让步状语从句
即使，尽管 =in spite f
China’s space prgramme started later than thse f Russia and the US, but it has made great prgress in a shrt time. China became the third 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.
作后置定语，表示正在进行的被动动作
Paragraph 4
when引导非限制性定语从句，在从句中作时间状语，解释先行词2003
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.
（使宇宙飞船在外层空间）与…对接
不定式作目的状语；以进行测量和观察