Unit 5 Writing about the unexplained ppt课件-（2019）新外研版高中英语选择性必修第四册.pptx

1、Writing about the unexplainedInto the unknown理解探索未知话题理解探索未知话题理解和思考探究探索理解和思考探究探索未知话题未知话题表达表达: :探索未知话题探索未知话题starting out starting out 第第1 1课时课时Using lanaguage Using lanaguage 第第3 3课时课时Listening: The Listening: The mystery of human mystery of human brainbrain第第4 4课时课时Understanding ideasUnderstanding id

2、easThe Mysteries of the The Mysteries of the MayaMaya第第2 2课时课时Developing ideasDeveloping ideasDiving DeepDiving Deep第第5 5课时课时Writing :Writing :The The unexplainedunexplained第第6 6课课时时Presenting ideasPresenting ideas第第7 7课时课时单元大观念单元大观念:理解表达探索未知话题理解表达探索未知话题，培养学生科学求真的精神，引，培养学生科学求真的精神，引导学生积极探索未知，加深其对人类命运

3、共同体的认识。导学生积极探索未知，加深其对人类命运共同体的认识。Teaching aims:After this class, you are expected to be able to:Learn the phenomenon of the 30th parallel north and its explanations;Master the structure and style of writing about the unexplained;Write an article of an unexplained phenomenon;Develop the spirit of expl

4、oring and seeking for the truth.Have you heard of the 30th parallel north( (神秘的北纬神秘的北纬3030度度) )? What do you know about it? What mysteries along this line do you know?Pyramids of EgyptHanging Garden of BabylonSanxingduiAll these mysteries are related to one magic line- The 30th parallel north Four a

5、ncient civilizations Atlantis Maya civilization Mount Qomolangma The Dead Sea Several major rivers in the world, such as the Nile in Egypt, the Euphrates in Iraq, the Yangtze River in China and the Mississippi River in the United States, all enter the sea at this latitude.video Read the magazine art

6、icle and answer the questions. 1. Why is the 30th parallel north mysterious? 2. What are some unusual explanations for it? 3. What are some possible scientific explanations?1. Why is the 30th parallel north mysterious?2. What are some unusual explanations for it?3. What are some possible scientific

7、explanations?The 30th parallel north is mysterious because it is where numerous sites of ancient civilisations and impressive natural features lie.Some believe that the 30th parallel north is a line of great natural energy, with frequent earthquakes and volcanic eruptions, and others even claim that

8、 its amazing natural features were caused by supernatural powers.Possible scientific explanations for the 30th parallel north include the generally warm and wet climate that made it a good place for civilisations to develop, and the fact that it is where major tectonic plates meet.Do you believe in

9、the scientific explanations? Do you have any other possible answers to the mystery?The structure of the passageWhat is the unexplained phenomenon?Why is it mysterious?What non-scientific explanations are there?How do scientists explain it?Find expressions about the following information. How to desc

10、ribe the unexplained phenomenon? How to describe the unusual explanations for it?How to describe the scientists explanations?How to describe your own opinion about the phenomenon?Expressions for describing the mysterious phenomenon:The monster of. is back in the news. It is known to all that. It lie

11、s in. It looks like a.Along a special line of latitude, known as the 30th parallel north, lie numerous sites of ancient civilisations and impressive natural features.Practice1. 这个小镇坐落在青葱的小山脚下。2. Siberia lies in northern Asia, east of the Ural Mountains.(改写成倒装句)The village lies at the foot of a green

12、 hill.At the foot of a green hill lies the village. In northern Asia, east of the Ural Mountains, lies Siberia.Expressions for describing unusual explanations for it:Its argued that. Lacking any concrete evidence, some even claim that.Its argued that the 30th parallel north is a line of great natura

13、l energy, Lacking any concrete evidence, some even claim it was supernatural powers.Practice1. 据认为狮身人面像（Sphinx）是设计来保护法老（Pharaoh）的陵墓。2. 缺乏确切证据，有些人就声称三星堆体现的是史前文明。It is argued that the Sphinx was designed to protect the tomb of the Pharaoh.Lacking any concrete evidence, some even claim that Sanxingdui

14、reflects prehistoric civilization.Expressions for describing the scientists explanations:Some scientists think that. Some people believe in its existence, because. By recent research, we can learn that. Other scientists consider. Scientists, however, dispute these theories. Its more likely, they arg

15、ue, that.Scientists, however, dispute these theories. Its more likely, they argue, that civilizations arose on the 30th parallel north Practice 然而，科学家质疑这些理论。他们认为，这个低温湖不可能供给和支撑大型生物的存在。Scientists, however, dispute these theories. Its not likely, they argue, that the low-temperature lake is able to sup

16、port such large living creatures. Expressions for describing your own opinion about the phenomenon: Personally, I (dont) believe. As far as I am concerned, I think. From my point of view, I believe.Practice1. 我认为，金字塔与外星文明有关。2. 我个人观点是，我不相信这些解释。From my point of view, I believe pyramids are related to

17、alien civilization.Personally, I dont believe that these explanations make sense.Organise your ideas by completing the form. Do further research if necessary. Write your article.Write your article.Write your article.(10min)ExampleThe Bermuda TriangleFar below the surface of the North Atlantic Ocean,

18、 in a roughly triangular area known as the Bermuda Triangle, lie more than 50 shipwrecks and 20 plane wrecks. What makes these wrecks so mysterious is that the cause of their fate remains largely unknown - ships were abandoned without apparent reason, distress signals were never sent and aircraft we

19、re lost without trace. Some believe that supernatural forces are responsible, while others put the accidents and disappearances down to coincidence. Scientific theories, meanwhile, include pilot error when trying to navigate the area, and huge rogue waves caused by terrible storms. Although many shi

20、ps and planes cross the Bermuda Triangle without incident, the stories behind those doomed vessels fates continue to capture peoples imaginations.Self-assessment Do you understand how to write an essay about the unexplained? Does it have a coherent(流畅的流畅的) description? Does it have a correct form? Does the language suitable and polite?1、Surf the internet for mysteries and their reasons. Consider whether the explanations make sense. 2、Polish your writing.