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 exploration?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;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 talklthe exploration on the moonlaccidents during the explorationlfacilities 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 find 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 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 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 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（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 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,to 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、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 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-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._.On 4 October 1957,.and on 12 April 1。