【课件】Unit+4Reading+and+Thinking+课件人教版（2019）必修第三册.pptx

Unit 4 Space ExplorationBy the end of this class,I will be able to1.Figure out the main idea of each paragraph;2.Learn about the development of space exploration;3.Express my opinions on space exploration.Learning aims水调歌头（宋 苏轼）Words and Expressions astronaut n.宇航员；太空人 rocket n.火箭；火箭弹 gravity n.重力；引力 frontier n.边境；国界；边远地区 vehicle n.交通工具；车辆 determined adj.有决心的；意志坚定的 satellite n.人造卫星；卫星 launch vt.&n.发射；发起；上市1Words and Expressions orbit n.轨道；vt.&vi.沿轨道运行；环绕运行 transmit vt.&vi.传输；发送 ongoing adj.持续存在的；仍在进行中的 on board 在宇宙飞船上；在船上 spacecraft n.航天器；宇宙飞船 spacewalk n.太空行走；太空行走的时间 dock vt.&vi.对接；使进港；n.码头；船坞2Words and Expressions3 The USSR 苏联 Yuri Gagarin 尤里加加林 NASA 美国国家航空与航天局 Voyager 1“旅行者1号”Soyuz 11“联盟11号”Jade Rabbit“玉兔”月球车 Neil Armstrong 尼尔阿姆斯特朗（美国宇航员）Sputnik 1“旅伴一号”（苏联发射的第一颗人造卫星）Q1:How to put the four sentences(A-D)into each blank?Q2:What is the main idea of each paragraph?Task 1:Read for a general ideaA.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.Q1:How to fill each gap with the four sentences(A-D)?Task 1:Read for a general ideaBDAC