Unit 4 Space Exploration Reading and Thinking 课件-2024-2025学年高中英语人教版（2019）必修第三册

Unit 4 SPACE EXPLORATION Reading and Thinking SPACE: THE FINAL FRONTIER n.边境;国界; 边远地区 标题源于美国系列连续剧《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。 太空:最后的边境 Prediction Space: the final frontier 【1986.1.28】All the astronauts on America’s Challenger died during their missions. 【1969.7.20】 American astronaut Neil Armstrong stepped onto the moon. 【2020.7.23】China sent Tianwen 1 to explore the surface of Mars. Zhurong is China’s first Mars rover. It mainly tells about the ________________ of space exploration. development What are the main reasons for space exploration? Curiosity Scientific experiments New knowledge Advanced technology The main reasons for space exploration are to build up advanced technologies, deepen human exploration and gather knowledge of the universe. 1. What kind of passage is it? A. a piece of News B. a popular science article C. a travel journal D. a fiction novel 2. Where can you find this kind of passage? A. newspaper B. novel C. advertisement D. science book Skimming 科普文又称大众科学或普及科学，是以浅显、通俗易懂的文字让公众了解科技领域的知识的一种文章。其特点：短小性、知识性和准确性、文学性、思想性。阅读时，可看作是科技说明文。 Several sentences have been removed from the text. Choose the correct sentences [A-D] to fill each gap. A. Although scientists try to make sure nothing goes wrong, accidents can still happen. B. Space exploration has come a long way, and we now hope 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 Earth's gravity. While-reading A. Although scientists try to make sure nothing goes wrong, accidents can still happen. B. Space exploration has come a long way, and we now hope 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 Earth's gravity. Analyze the options. What should we pay attention to? key information: subject, predicate, object... pronouns, linking words expressions to tell order of time, space... Read to fill gaps (Para 1) A. Although scientists try to make sure nothing goes wrong, accidents can still happen. B. Space exploration has come a long way, and we now hope 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 Earth’s gravity. “Are we alone? What’s out there?” People have always looked up at the stars and wondered about space. Today, scientists design vehicles to carry astronauts into space to make important discoveries. _____. B 关键词复现 “Are we alone? What’s out there?” People have always looked up at the stars and wondered about space. Today, scientists design vehicles to carry astronauts into space to make important discoveries. Space exploration has come a long way, and we now hope to discover other planets that are suitable enough to support life. Para 1 Is there a key sentence in this paragraph? If not, What is the main idea of the paragraph? It is about the reasons why people want to explore space. The desire to explore the outer space. A. Although scientists try to make sure nothing goes wrong, accidents can still happen. B. Space exploration has come a long way, and we now hope 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 Earth’s gravity. 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 1961, ... Over eight years later, on 20 July 1969, ... D 对前文的承接，对后文的概括 Read to fill gaps(Para 2) 1998 before the mid-20th century 4 Oct. 1957 12 Apr. 1961 20 Jul. 1969 5 Sep. 1977 an impossible dream The Sputnik 1 satellite was launched by the USSR Yuri Gagarin, the first person to go into space Neil Armstrong stepped onto the moon Voyager 1 was sent to study deep space, and transmits data today a reality That’s one small step for a man, a giant leap for mankind. Para. 2 impossible dream How is the paragraph developed? A. time sequence B. cause and effect C. comparison and contrast D. problem and solution Para 2 the international Spacce Station 11 Before the mid-20th century, most people felt travelling into space was an impossible dream. However, some scientists were determined to help humans realize their dream to explore space. After many experiments, they succeeded in making rockets that could escape Earth’s gravity. On 4 October 1957, ... and on 12 April 1961, ... Over eight years later, on 20 July 1969, ... Can you find a topic sentence in this paragraph? What is the main idea of it? It is about the great earlier achievements abroad. Signal linking words Para 2 Earlier achievements of space exploration abroad _____. For example, all the astronauts on the Soyuz 11 and Challenger, and Columbia spacecrafts died during their missions. However, while such disasters brought much sadness and disappointment, the desire to explore the universe did not die. This is because people believe in the importance of carrying on space exploration despite the huge risks. A 关键词复现：近义词；同义词 A. Although scientists try to make sure nothing goes wrong, accidents can still happen. B. Space exploration has come a long way, and we now hope 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 Earth’s gravity. Read to fill gaps(Para 3) Although scientists try to make sure nothing goes wrong, accidents can still happen. For example, all the astronauts on the Soyuz 11 and Challenger, and Columbia spacecrafts died during their missions. However, while such disasters brought much sadness and disappointment, the desire to explore the universe did not die. This is because people believe in the importance of carrying on space exploration despite the huge risks. Is the first sentence the topic sentence in this paragraph? If not, which sentence has the key information? Para 3 transitional word Although there are disasters, people will make continuous efforts to achieve more in space exploration. contrast transitional sentence Continuous effort in spite of disasters China’s 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 Shenzhou 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 …. Is the first sentence the topic sentence in this paragraph? If not, which sentence has the key information? Para 4 China’s space exploration Vehicles Missions 1. Shenzhou 5 ____ 2. Shenzhou 6 ____ 3. Shenzhou 7 ____ 4. Jade Rabbit ____ 5. Tianwen 1 _____ 6. Mengtian module _____ A. Studied the surface of the moon. B. Explored the surface of Mars. C. Completed a second manned orbit. D. Signaled the basic completion of the Tiangong Space Station. E. Independently sent humans into space. F. Completed the first Chinese spacewalk. E C F A B D Para 4 Watch a video about China’s achievements in space exploration. In your opinion, what helped China make such great progress? determination curiosity cooperation confidence devotion effort A. Although scientists try to make sure nothing goes wrong, accidents can still happen. B. Space exploration has come a long way, and we now hope 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 Earth’s gravity. ____ Many countries have plans to further study planets like Mars and Jupiter. Despite the difficulties, scientists hope to make more valuable discoveries that will enable the human race to survive well into the future. C 同一语义频繁出现 Read to fill gaps(Para 5) The future of space exploration remains bright. Many countries have plans to further study planets like Mars and Jupiter. Despite the difficulties, scientists hope to make more valuable discoveries that will enable the human race to survive well into the future. Is the first sentence the topic sentence in this paragraph? If not, which sentence has the key information? Para 5 Bright future of space exploration Despite the difficulties, scientists hope to make more valuable discoveries that will enable the human race to survive well into the future. What's the writer’s attitude towards the future of space exploration? hopeful/optimistic/positive… Para 5 Tips on summarizing the main idea: When the main idea is clearly stated (e.g. Para.4，5) : Find out the topic sentence. When the main idea is not clearly stated (e.g. Para. 1& Para.2) : Pay attention to the key information and repeated words. Focus on the transitional sentence. Focus on the linking words: however, although, but, despite, etc. Post-reading Do you think we should keep on exploring space? Why? Agree Disagree survive（生存） life convenience ... ... Do you think we should keep on exploring space? Why? Agree Disagree injuries and death high cost ... ... Do you think we should keep on exploring space? Why? Agree Disagree v.s. I agree/ disagree to keep on exploring space. The reasons are as follows: First of all, _________________________________________________ What’ s more, _______________________________________________ Therefore, I am for/ against space exploration. To explore the unknown world; To seek out new life and new civilization; To create new technologies which could have benefits for Earth; To gather knowledge of the universe; To solve the problem of energy shortages on Earth space is too far away from us and our daily life; space exploration will waste a lot of money; we should focus on the problems on Earth, such as climate change, hunger problem and pollution. Becoming an aerospace power has always been a dream we’ve been striving for. President Xi Jinping 建设航天强国，是我们不懈追求的航天梦。 —习近平主席 THANKS People have always wanted to learn more about space. Before the mid-20th century, most people felt (1)_________ (travel) into space was an impossible dream. However, (2) ___ the help of scientists, people succeeded in realizing their dream (3) _________ (explore) space. On 4 October 1957, the Sputnik 1 satellite (4) ____________(launch) by the USSR. (5) ________________ scientists try to make sure nothing goes wrong, accidents can still happen. These disasters made everyone(6)___________(disappoint), but people still believe in the importance of (7) ________(carry) on space exploration. In 2003, China became the third country to (8)_____________ (independent) send humans into space. Then Shenzhou 6 and 7 completed (9)_______ second manned orbit and the first Chinese spacewalk. In spite of the difficulties, scientists hope future (10)__________ (discovery) will not only enable us to understand the universe but also help us survive well into the future. travelling with to explore was launched Although disappointed carrying independently a discoveries Fill in the blanks What kind of passage is it? popular science article 科普文章 Features of popular science article: 1. a brief and eye-catching title 2. introduce background information in the first paragraph 3. the language is popular and easy to understand $$