人教版 (2019)必修 第三册Unit 4 Space Exploration背景图课件ppt

这是一份人教版 (2019)必修 第三册Unit 4 Space Exploration背景图课件ppt，共30页。

Learning bjectives
By the end f this sectin, yu will be able t:learn abut the develpment and significant histrical events f space explratin;learn hw t chse crrect sentences t fill gaps in the text;summarize the main idea fr each paragraph f the text;analyze the structure and language features f the text;reflect n the title f the text: “Space: The Final Frntier”; use news wrds yu have learnt in the text t cmplete a passage.
Have yu ever seen mvies abut “space explratin”? If s, please list sme ne.
Befre yu read, lk at the title and the phts.
n. 边境；国界；边远地区
While the rigin f the phrase, “space the final frntier”is unclear, it became a ppular meme — almst universally knwn in the Western wrld — thrugh the American TV shw Star Trek, which was first bradcast n TV frm 1966 t1969, and then spent years as perhaps the mst ppular syndicated TV shws
Cultural ntes
in the wrld befre spawning a hst f films and spin-ff TV series in the US beginning in 1979. The full qute frm the riginal series (which millins f peple knw by heart), ges: “Space, the final frntier. These are the vyages f the starship Enterprise. Its cntinuing missin t explre strange new wrlds t seek ut new life and new civilisatins, t bldly g where n man has gne befre.”
Then discuss these questins.
It is a ppular science article (科普文章).
Frm (science) magazines and websites abut space explratin.
The main reasns fr space explratin are t further human explratin and t gather knwledge f the universe.
1. What kind f passage is it?
2. Where can yu find this kind f passage?
3. What d yu think are the main reasns fr space explratin?
4. What d yu expect t read abut in this text?
I expect t read abut the future f space travel.
Read the text. Several sentences have been remved frm it. Chse the crrect sentence (A-D) 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.
(t add mre detailed infrmatin abut scientists’ wish t learn abut space)
“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. _______________
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.
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. __________ On 4 Octber 1957, the Sputnik 1 satellite was launched 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, ...
(t explain the previus sentence and intrduce the fllwing achievements)
_________________________________________________ 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.
(t intrduce the fllwing explanatin abut the accidents)
___________________________________ Eurpe, the US, and China all have plans t further study and explre planets like Mars and Jupiter. Despite the difficulties, scientists hpe future discveries will nt nly enable us t understand hw the universe began, but als help us survive well int the future.
(t intrduce the fllwing text abut plans and future discveries)
Use yur wn wrds t summarize the main idea fr each paragraph.
When the main idea is nt clearly stated in a tpic sentence, yu shuld read the full paragraph r passage carefully and find the wrds r ideas that repeat themselves. They are likely evidence f the authr’s main idea.
Humans have always had a natural curisity abut space.
Space travel became a reality in the 20th century, with American and Sviet space missins.
Space travel has always invlved great risk, but despite the risks explratin cntinues.
China has made great prgress in space explratin in the early 21st century, becming nly the third cuntry t send humans t space.
The future f space explratin lks bright, as many cuntries are planning further missins.
Analyze the structure f the text.
Space: The Final Frntier
Para. 2: America’s and Sviet’s achievements
Para. 3: Space explratin cntinues in spite f great risks
Para. 4: China’s achievements
Read the secnd paragraph carefully and then cmplete the chart belw.
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
America’s NASA space agency
Read the furth paragraph carefully and then cmplete the chart belw.
rbited Earth
Shenzhu 5 spacecraft
Shenzhu 6 and 7
the first Chinese spacewalk
Jade Rabbit
Tiangng 2 space lab
make measurements and bservatins
What des the title “Space: The Final Frntier” mean t yu? Share yur ideas with the whle class
What des the title “Space: The Final Frntier” mean t yu?
There are ther frntiers befre space.
Examples f ther frntiers:
gegraphic frntiers, such as the discvery f America, the Arctic, and the deep sea scientific frntiers, such as advances in medicine and technlgy
Explre the language features f this text.
Did the authr use technical terms t explain science? Why?What is the authr’s purpse f writing this article?What writing techniques are used in this article?
D a debate.
D yu agree that space is the final frntier fr humans t explre?
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.
Wrds and Expressins
Hwever, sme scientists were determined t help humans realise their dream t explre space. (P40) 然而，有些科学家下定决心要帮助人类实现探索太空的梦想。determined /dɪˈtɜːmɪnd/ adj. 有决心的；意志坚定的determine /dɪˈtɜːmɪn/ vt. 查明；确定；决定搭配be determined t d sth决心/决定做某事例句Our ftball team were determined t win the game despite difficulties.尽管困难重重，我们的足球队决心要赢得这场比赛。拓展 determinatin n. 决心，果断，坚定He shwed great curage and determinatin.他表现得十分勇敢和果断。
On 4 Octber 1957, the Sputnik 1 satellite was launched by the USSR and successfully rbited arund Earth. (P40) 1957年10月4日，“旅伴一号”人造卫星在苏联发射升空，并成功环绕地球运行。launch /lɔːntʃ/ vt. & n. 发射；发起；上市例句This mrning’s launch f the space shuttle has been delayed.定于今天上午的航天飞机的发射已经被推迟了。The new generatin f smartphnes launched yesterday received much media cverage.昨天发布的新一代智能手机受到了媒体的广泛报道。The rganizatin has launched a campaign t raise $150,000.为了筹集15万美元，该组织发起了一场募捐活动。
These disasters made everyne sad and disappinted, but the desire t explre the universe never died. (P41) 这些悲剧使人倍感伤心与失望，但是，探索宇宙的愿望永不磨灭。disappinted /ˌdɪsəˈpɔɪntɪd/ adj. 失望的；沮丧的搭配be disappinted at/by sth 对某事失望be disappinted in/with sb 对某人失望be disappinted (nt) t d sth 对（未）做某事感到失望例句Instead f being disappinted at where yu are, think ptimistically abut where yu are ging. 与其对自己的处境感到失望，不如乐观地想想你要去哪里。We nticed a disappinted lk n his face because he didn’t pass the driving test.我们注意到他脸上失望的表情，因为他没有通过驾照考试。
These disasters made everyne sad and disappinted, but the desire t explre the universe never died. (P41) 这些悲剧使人倍感伤心与失望，但是，探索宇宙的愿望永不磨灭。disappinted /ˌdɪsəˈpɔɪntɪd/ adj. 失望的；沮丧的拓展disappint vt. & vi. （使）失望disappinting adj. 令人失望的，令人失望的（常用来形容物）disappintment n. [U] 失望的；[C] 使人失望的人（或事物）t ne’s (great) disappintment = (much) t ne’s (great) disappintment 令某人非常失望的是例句The cnclusin f the bk was disappinting. 这部书的结尾令人失望。Disappintment hit her like a tn f bricks. 他大失所望。
These disasters made everyne sad and disappinted, but the desire t explre the universe never died. (P41) 这些悲剧使人倍感伤心与失望，但是，探索宇宙的愿望永不磨灭。desire /dɪˈzaɪə(r)/ n. 渴望；欲望 vt. 渴望；期望搭配desire fr sth 对某物的渴望desire t d sth 对做某事的渴望have n desire fr sth/t s sth 没有得到某物的愿望/不想做某事satisfy ne’s desire 满足某人的愿望/欲望 desire (sb) t d sth 渴望（某人）做某事的例句My sister has a strng desire fr knwledge. 我姐姐有强烈的求知欲。Greatness cmes frm a lasting desire t explre. 伟大源于对探索的持久渴望。
This is because peple believe in the imprtance f carrying n space explratin despite the huge risks. (P41) 这是因为尽管风险巨大，人们还是坚信太空探索极为重要。carry n 继续做，坚持干搭配 carry n (with) sth/carry n ding sth 继续做某事例句If yu carry n wrking like that, yu will make yurself ill. 如果你继续那样工作，就会生病的。Please carry n as usual while I am away. 我不在时，请照常进行。拓展carry ut 实施，执行（计划、命令等），完成（任务）carry sth thrugh （克服困难后）把……进行到底，完成carry sb thrugh (sth) 使某人渡过难关
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. (P41) 2003年，杨利伟乘坐“神舟五号”宇宙飞船成功环绕地球运行，中国成为世界 上第三个能够独立将人类送入太空的国家。independently /ˌɪndɪˈpendəntlɪ/ adv. 独立地；自立地例句It was the first time that she had lived independently. 那是她第一次独立生活。拓展independent adj. 独立的；自立的 be independent f sb/sth不依靠某人/某事物independence n. [U] 独立；自立 gain independence frm ...从……中获得独立Nw that yu are a cllege student, yu shuld learn t be independent f yur parents. 你既然是一名大学生了，就应该学着不依赖父母。
This signalled ne step further in China’s plan t establish a space statin in the future. (P41) 这标志着中国未来建设空间站的计划又迈出了一步。signal /ˈsɪɡnəl/ vt. & vi. 标志着；标明；发信号 n. 信号；标志搭配signal (t/fr) sb t d sth示意某人做某事a danger/warning signal危险/警告信号traffic signals 交通信号灯例句With their ability t see ahead, they culd signal any prblem, s that fast-mving trains wuld be able t react in time. 因为能提前看到，无人机可以就任何问题发出信号，这样快速前进的列车就可以及时作出反应。Just like the traffic itself, the timing f the signals changes.就像交通本身一样，信号灯的时间也会发生变化。