Unit4 Space Exploration Reading and Thinking （ppt课件）-2023新人教版（2019）《高中英语》必修第三册.pptx

1、Unit 4 Space Exploration Learn about the development of space exploration When seeing the stars,have you ever been curious about the world outside the sky?Do you believe the existence of aliens?Have you ever had a dream to be an astronaut?1.What do you think are the main reasons for space exploratio

2、n?Free talk P40To explore the unknown world;To seek out new life and new civilization;To show a countrys scientific power and capability;To gather knowledge of the universe;What does the title“Space,the Final Frontier”mean to you?P41 EX.4 41.the border between two countries,an international boundary

3、;2.a wilderness at the edge of a settled area of a country;3.the limits of knowledge in a subject;4.an undeveloped field of study;a topic inviting research and development;边界；边境;尖端；前沿，新领域;标题源于美国系列连续句星际迷航(Star Trek)每一集最初的引语，是剧中人物James Kirk舰长的一段独白。Pre-reading:Think and talkl the exploration on the moo

4、nl accidents during the explorationl facilities and equipmentl.Look at the title and the photos and then discuss these questions.2.What do you expect to read about in this text?1.What kind of passage is it?A.A piece of news.B.A popular science article.C.A travel journal.D.A novel.2.Where can you fin

5、d this kind of passage?A.Newspaper B.Novel C.Magazine D.Science bookA.Although scientists try to make sure nothing goes wrong,accidents can still happen.B.They also really wish to discover other planets that are suitable enough to support life.C.The future of space exploration remains bright.D.After

6、 many experiments,they succeeded in making rockets that could escape Earths gravity.指代新话题转折词表并列时间顺序指代While-reading:Read to fill gapsAnalyze the optionsWhat should we pay attention to?Please read the text,choose the correct sentence to fill each gap and give the relative reasons.他们也十分希望发现能够维持生命存在的其他行

7、星。他们也十分希望发现能够维持生命存在的其他行星。无数次实验后，他们成功研制出能够摆脱地心引力的火箭。无数次实验后，他们成功研制出能够摆脱地心引力的火箭。太空探索的未来依旧光明。太空探索的未来依旧光明。虽然科学家们极力确保万无一失，但事故仍时有发生。虽然科学家们极力确保万无一失，但事故仍时有发生。阅读“七选五”要求考生根据文章的结构、逻辑、上下文的内容选出相应的五句话填入空白处将文章补充完整，其目的在于“考查考生对文章的整体内容和结构以及上下文逻辑意义的理解和掌握。”做题时需要明白整篇文章的主旨，文章整体的思路和每一段的用意以及作者写作的意图，理清段落之间和句子之间的逻辑关系也有助于把握文章的

8、整体结构和思路。【解题策略】1.从意思上判断 2.从词汇上锁定线索 关注空白前后的名词和动词，然后在选项中查找它们的近义词、反义词、同义词、同类词等。其次是一些专有名词，比如说数词、代词、时间、年代、地点/名称等。3.从关联词作为切入点 英语的句段之间经常会运用关联词表示过渡和衔接，让文章的思路与更清楚、逻辑更连贯，因此文章中和选项中表示各种逻辑关系的路标性信号词在选择答案时都是很重要的线索。1、若问题在段首（1）通常是段落主题句。认真阅读该段落，根据段落一致性原则，查找相关词或者同义词，从而推测出主题句，找到答案。_.All the astronauts on the USSRs Soyuz

9、 11 and Americas Challenger died during their missions.These disasters made everyone sad and disappointed,but the desire to explore the universe never died.This is because people believe in the importance of carrying on space exploration despite the huge risks A.Although scientists try to make sure

10、nothing goes wrong,accidents can still happen.B.They also really wish to discover other planets that are suitable enough to support life.C.The future of space exploration remains bright.D.After many experiments,they succeeded in making rockets that could escape Earths gravity.后文关键词提示后文关键词提示A1、若问题在段首

11、（1）通常是段落主题句。认真阅读该段落，根据段落一致性原则，查找相关词或者同义词，从而推测出主题句，找到答案。_.Europe,the US,and China all have plans to further study and explore planets like Mars and Jupiter.Despite the difficulties,scientists hope future discoveries will not only enable us to understand how the universe began,but also help us survive

12、 well into the future.B.They also really wish to discover other planets that are suitable enough to support life.C.The future of space exploration remains bright.D.After many experiments,they succeeded in making rockets that could escape Earths gravity.C同一语义频繁出现同一语义频繁出现1、若问题在段首（1）通常是段落主题句。认真阅读该段落，根据

13、段落一致性原则，查找相关词或者同义词，从而推测出主题句，找到答案。（2）与后文是并列、转折、因果关系等。着重阅读后文第一两句，锁定线索信号词，然后在选项中查找 相关特征词。一般来说正确答案与它后面的一句话的在意思上是衔接的，所以通常情况下，这两句话中会有某种的衔接手段。（3）段落间的过渡句。这时要前瞻后望找启示，即阅读上一段结尾部分，通常正确答案与上一段结尾有机地衔接起来，并结合下一段内容，看所选的答案是否将两段内容连贯起来。2 2、若问题在段尾 （1 1）通常是结论、概括性语句。要注意表示总结的信号词，如therefore,as a result,hence,thus,to sum up,t

14、o conclude,in short,in a word等词语，选项中也可发现前文的同义词句。（2 2）与前文是转折或对比关系。此时要注意在选项中查找表示转折、对比的关联词。（3 3）与前文是并列或排比关系。在这种情况下，通常是该段落要求补全说明本段主题的其他细节。因此 根据段落一致性原则，在原文和选项中找到相关的特征词，通常在选项中会出现表示并列/递进关系的关联词或与前文类似的句式结构，或出现同义词等其他信号线索。（4 4）所选答案是引出下一段的内容。如果在选项中找不出与前文之间的关联，此时可考虑与下一段开头是否有一定的衔接。认真阅读下一段开头几句，看是否与选项的最后一句紧密连接起来。2、

15、若问题在段尾 （3 3）与前文是并列或排比关系。在这种情况下，通常是该段落要求补全说明本段主题的其他细节。因此 根据段落一致性原则，在原文和选项中找到相关的特征词，通常在选项中会出现表示并列/递进关系的关联词或与前文类似的句式结构，或出现同义词等其他信号线索。“Are we alone?Whats out there?”Looking up at the stars,people have always wanted to learn more about space,and scientists work hard to find answers.They make vehicles to

16、carry brave people into space to find out the secrets of the universe._.B.They also really wish to discover other planets that are suitable enough to support life.D.After many experiments,they succeeded in making rockets that could escape Earths gravity.递进；递进；语义上更深入语义上更深入B3、若问题在段中 Before the mid-20t

17、h century,most people felt travelling into space was an impossible dream.However,some scientists were determined to help humans realise their dream to explore space._.On 4 October 1957,.and on 12 April 1961,.Over eight years later,on 20 July 1969,.理清文章的逻辑和结构并在所给的原文中找出关键词或者说是线索词（i）并列与递进；（ii）因果；（iii）转

18、折让步；（ii）时间顺序：afterwards,at first,at last,finally等,以及一些具体的时间。D.After many experiments,they succeeded in making rockets that could escape Earths gravity.对前文的承接，对后文的概括对前文的承接，对后文的概括While-reading:Read for the main ideaP41 EX.3 Use your own words to summarise the main idea for each paragraph.“Are we alone

19、?Whats out there?”Looking up at the stars,people have always wanted to learn more about space,and scientists work hard to find answers.They make vehicles to carry brave people into space to find out the secrets of the universe.They also really wish to discover other planets that are suitable enough

20、to support life.Para 1Para 1:Humans have always had _about space.Para 2Before the mid-20th century,most people felt travelling into space was an impossible dream.However,some scientists were determined to help humans realise their dream to explore space.After many experiments,they succeeded in makin

21、g rockets that could escape Earths gravity.On 4 October 1957,the Sputnik 1 satellite was launched by the USSR and successfully orbited around Earth.Afterwards,the USSR focused on sending people into space,and on 12 April 1961,Yuri Gagarin became the first person in the world to go into space.Over ei

22、ght years later,on 20 July 1969,American astronaut Neil Armstrong stepped onto the moon,famously saying,Thats one small step for a man,one giant leap for mankind.”Following this,many more goals were achieved.For example,Americas NASA space agency launched Voyager 1on 5 September 1977 to study deep s

23、pace,and it still transmits data today.Para 2:Space travel became a _in the 20th century,with American and Soviet space missions.realityBeforethe mid-20th centuryTravelling into space was an _ dream.On 4 October1957 The Sputnik 1 _ was _ by the USSR and _ _ around Earth.On 12 April1961 Yuri Gagarin

24、became the _ person in the world to _ _ space.On 20 July1969 Neil Armstrong became the first person to _ _ the moon.On 5 September1977Voyager 1 was launched to _ deep space,and _ _ today.impossiblesatellitelaunchedsuccessfullyorbitedfirstgo intostepped ontostudytransmit dataPara 3Although scientists

25、 try to make sure nothing goes wrong,accidents can still happen.All the astronauts on the USSRs Soyuz 11 and Americas Challenger died during their missions.These disasters made everyone sad and disappointed,but the desire to explore the universe never died.This is because people believe in the impor

26、tance of carrying on space exploration despite the huge risks.An example of this ongoing work is the International Space Station.It orbits Earth and has astronauts from different countries on board,providing a continuous human presence in space.Para 3:Space travel has always involved_,but despite th

27、e risks _continues.explorationPara 4Chinas space programme started later than those of Russia and the US,but it has made great progress in a short time.China became the third country in the world to independently send humans into space in 2003,when Yang Liwei successfully orbited Earth in the Shenzh

28、ou 5 spacecraft.Then Shenzhou 6 and 7 completed a second manned orbit and the first Chinese spacewalk,followed by the vehicle Jade Rabbit being sent to the moon to study its surface.After that,China launched the Tiangong 2 space lab into space and Tianzhou 1 to dock with it.This signalled one step f

29、urther in Chinas plan to establish a space station in the future.More recently,China has sent Change 4 to explore the surface of the far side of the moon to make measurements and observations.Para 4.China has _in space exploration in the early 21st century,becoming _country to send humans to space.T

30、imeEventIn _Yang Liwei orbited Earth in _.Then._ completed a second manned orbit and the first Chinese spacewalk._ was sent to the moon to study its surface.After that China sent _ and _ to dock with it._ China has sent Change 4 to explore the surface of the far side of the moonShenzhou 5Shenzhou 6&

31、7Jade RabbitTiangong 2 space labTianzhou 1More recently2003Para 5The future of space exploration remains bright.Europe,the US,and China all have plans to further study and explore planets like Mars and Jupiter.Despite the difficulties,scientists hope future discoveries will not only enable us to und

32、erstand how the universe began,but also help us survive well into the future.Para 5.The future of space exploration looks_,as many countries are planning further_.What is the authors attitude of space exploration?A.pessimisticB.disappointedC.puzzledD.positive悲观的悲观的失望的失望的困惑的困惑的积极的积极的观点态度题攻略观点态度题攻略表中立

33、客观的：表中立客观的：objective,neutral,indifferent表赞同或支持的：表赞同或支持的：positive,approval,optimistic,hopeful表否定或批评：表否定或批评：negative,disapproval,critical,pessimistic,doubtfulTips：熟悉常用词汇熟悉常用词汇,全面理解文章的内容和中心恩想抓住关键词句，抓全面理解文章的内容和中心恩想抓住关键词句，抓住体现人物观点态度的关键句或列举的事例注意流露作者思想倾向或感住体现人物观点态度的关键句或列举的事例注意流露作者思想倾向或感情色彩的形容词、副词等。情色彩的形容词、

34、副词等。Complete the passage with words from the text.M_ is exploring space in the hope of finding out more about the u_.However,exploring space is both dangerous and challenging.One of the most dangerous parts of space exploration is helping people to escape Earths g_.If there is a mistake during the l

35、_,it can lead to an accident that kills everyone on b_.Getting out of o_ and back to Earths surface is also very dangerous.Despite the huge risks though,people will always continue to explore this final f_ so as to learn its secrets.Mankind universegravitylaunchboardorbitfrontier抱的希望为了;以便After-reading: