Unit 6 Survival Developing ideas Plan B: life on Mars课件 2023-2024学年外研版高中英语选择性必修第二册

Quiz √ √ √ √ How much do you know about the Red Planet? Mars resembles Earth in one way or another, and it is said to be the most suitable planet for us to live on. Remember the question in the video? do you think there is life on Mars? 2 Plan B ：Life on Mars ? Look at the title , what do you think will be talked about in the passage? Why do we need a plan B? What will Life be like? Para. 1 Mars has an environment less hostile than that of other planets. Environmental problems are the greatest risk. Mars is relatively close to Earth All advanced life forms could be wiped out by nuclear missiles. Why？ Mars? Para. 2 Now, let’s come to the passage to figure them out. Now please read para.1 and tell me why we need a plan B Yes, In the 1960s and 1070s, nuclear missiles were the greatest fear and today environmental problems have taken over as the greatest risk to life on earth. Apparently, we need a plan B. But why it’s Mars? Go on to para.2 to get the answer. For one thing Mars is relatively close to earth. For another, Mars has an environment less hostile than that of other planets. the Mars Desert Research Station(火星沙漠研究站）in the Utah犹他州 desert of the US Mars Village（火星村）in North-west China's Qinghai Province The Red Planet has fascinated us since the ancient times and more efforts have been made to educate the public on the Red Planet Para 3 What efforts have we made to explore Mars? For one thing, we have been sending unmanned spacecraft to Mars, with probes探测仪 sending back valuable data as well as stunning images and robotsttesting the soil and searching for resources, water and signs of life. China's national space agency launched the spacecraft, called Tianwen-1(天问一号） What Launch: 2020.7.23 Land on Mars: 2021. 2 When By one mission, orbiting, landing and roving环视 are all to be acheived. Mission This is China's first independent mission to Mars. Meaning unmanned missions Manned missions For another, space agencies of various countries are p