1、Unit 4 Space exploration MENULeading-inWhile-classAfter-classPart.1 Leading-inPart.1 Leading-inLeading inSpace: The Final FrontierLeading in观察题目和文章里的图片，讨论以下问题：1.What do you think are the main reasons for space exploration？2.What do you expect to read about in this text？Leading in1.The main reasons f
2、or space exploration are to further human exploration and to gather knowledge of the universe.2.I expect to read about the history of space travel, the reasons why we explore space, what space exploration has given us, how we continue to explore further etc.Part.2 While-classPart.2 While-classWhile-
3、class将所列的四个句子放入文本中合适的位置，使全文意思完整，逻辑合理。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 succee
4、ded in making rockets that could escape Earths gravityWhile-classSummarise the main idea When the main idea is not clearly stated in a topic sentence, you should read the full paragraph or passage carefully and find the words or ideas that repeat themselves. They are likely evidence of the authors m
5、ain idea.While-class阅读文本，然后分小组讨论每个段落的大意，完成第3题。概括大意前先思考下列问题：What is the topic sentence in Paragraph 1？Can you use your own words to summarise the main idea？Is there a topic sentence in Paragraph 2？If not，what are the important points included in this paragraph? What Is Paragraph 3 about？Can you find
6、some words that repeat themselves？Can you find the topic sentence in Paragraph 4？Where is it？What is the topic sentence in Paragraph 5？While-classParagraph 1：curious about space; work hard to find answers Paragraph 2: American and Soviet space missions made space travel a reality Paragraph 3: contin
7、ue the space exploration; the great risks Paragraph 4: has made great progress, becoming the 3rd country to independently send humans into space Paragraph 5: looks bright, as many countries are planning further missionsWhile-class题目：Space: The Final Frontier总：Para. 1：People have always been curious
8、about space分：Para. 2: Achievements of American and SovietPara.3: Space exploration continues in spite of great risksPara.4:Chinas achievement总：Para.5: The future of space explorationWhile-class写作手法写作手法1. What genre is the passage? What are its features?2. How does the text develop?3. What writing te
9、chniques are used in this article?4. Where can you find this kind of passage?While-classl.It is a popular science article（科普说明文）.Features：A brief and eye-catching title;Explaining general concepts in a simplified way;Emphasising on main events;Using quotes，metaphors（比喻），analogies（类比）to explain diffi
10、cult or abstract scientific concepts;Listing data or numbers答案答案While-class2.It develops in chronological order3.Giving examples, using quotes and listing important events.4.It is presented in many forms, including books, films, television documentaries, magazine articles, web pages, etc.Part.3 Afte
11、r-classPart.3 After-classAfter-classM 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 However of space exploration is helping people to escape Earths g . If there is a mistake during the l ,
12、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.After-class答案Mankind, universe, gravity, launch, board, orbit, frontierThank you!
