新外研版高二英语选择性必修二unit6 PlanB life on Mars 课件.pptx

Environmental CrisisQuiz EarthDo the quiz and talk about what you know about Mars.Mars√Is it possible to live on Mars?√minus 63 degrees Celsius√√Plan B：Life on Mars？Predict：What would be talked about?Predict the main idea according to the title and the pictures.Within the text. Get the main idea for each paragraphPara1.Para2.Para3.Para4.Para5.The introduction of the topic The possibilities and challenges of living on MarsThe author’s opinionAbout the text. Can you find out the possibilites and challenges for us to explore the Mars?ChallengesPossibilitiesNatural factorsThe explorationLiving aspectAbout the text. PossibilitiesChallenges1.Relatively close 2.Less hostile Natural factorsThe explorationLiving aspectUnmanned spacecraftrobotsSpace agenciesprobeThe exploration of MarsExplored the Martian surfaceTesting the soil searching for resources, water and signs of lifeorbitPlanning manned mission to Mars within the next 25 yearssending backAbout the text. PossibilitiesChallenges1.Relatively close 1.Long-time flight2.Less hostile 2.Dangerous solar radiationsNatural factorsInfer the author’ opinion—Is it possible to live on Mars?1.Unmanned spacecraft3.All the skills, courage, intelligence are needed 2.Probs3.RobotsThe exploration4.Not able to return4.Space agenciesLiving aspect4. Hard to staying alive（experiment）1.Succeed in plantingAbout the text. Infer the author’ opinion—Is it possible to live on Mars?Para4：1. Staying alive will be a daily challenge, but as proved by the Biosphere 2 experiment, not impossible.2. Although the two-year experiment was not a success, it did provide us a better understanding of how humans might be able to live on another planet.Despite the challenges，there are still possibilities.Possible!InferNASA: 美国宇航局Tianwen-1The latest development of the exploration on MarsBeyond the text. Think and shareWhat qualities and skills should the first settlers be equipped with?(open)SkillsQualities Strong body Calmness Wisdom Being knowledgeable Patienc