Unit 6 Survival Developing ideas Plan B- life on Mars（ppt课件）-2024新外研版（2019）《高中英语》选择性必修第二册.pptx

1、Unit 6 Plan B:Life on Mars?have a clear map of the structure,understand the text and learn the problems humans are facing and our plans for the future;improve reading skills-learn to infer more messages from the given text to strengthen the understanding of the text;deepen the understanding of the s

2、ubject-survival,understand the importance of protecting the Earth and promote humans spirit of exploration and adaptability.Learning Aims（学习目标）:We are to Class Task（课堂任务）:Conducting an interview about I.Preparation（准备）Step1.Revision（温）Translate the key words and phrases.1.adj.核武器的2.v.环绕.运行3.v.推断，推定4

3、.彻底毁灭5.包含，包括6.与此同时7.对.有影响8.搜寻9.用.代替10.与.相似nuclearorbitinferwipe outconsist ofin the meantime have an effect onsearch forreplace.with.be similar toI.Preparation（准备）Step2.Lead-in（导）oil shortageGlobal warmingEbolathe end of the worldplan BPlan B:Life on Mars?the thing or things sb intends to do if thei

4、r first plan is not successfulIf Plan A fails,go to Plan B.I.Preparation（准备）Step2.Lead-in（导）.Presentation（呈现）Step3.Read-Think-Do（思）Try to finish activities on your paper.During your self-study,please raise your questions and figure out the explanation for each answer.While you read,please circle the

5、 key words,underline _the useful phrases and tick the important sentences.Presentation（呈现）Step4.Discussion（议）.Presentation（呈现）Step5.Show（展）To share your answers and understanding of the exercises We try.We question.We answer.We add.What is the main idea of the passage?A.To describe the problems the

6、human race are facing on the earth.B.To introduce humans might live on Mars.C.To explain why many countries are trying to explore Mars.D.To give some advice on how to protect the earth.【Activity 1】Reading for main idea【Activity 2】Reading for the structure and detailsPlan B:Life on Mars?The backgroun

7、d of Plan B para:_Facing the greatest risk on Earth-1._ problems,scientists are thinking of ways to reduce this risk ans also put forward Plan B to prepare for the worst.The reasons why Mars is the most likely choice for humans to live on para:_Mars,which 2_people since ancient times,is relatively c

8、lose to Earth and has an environment 3._ than that of other planets,making it the most likely choice for humans to live.Humans exploration and research on Mars para:_ To make Mars our second home,we humans have been sending 4._ to it to collect information about it since the 1960s.Although it is dif

9、ficult to reach and staying alive is also hard on it,the Biosphere 2 experiment and the recent achievements of the scientists have both proved that it is not 5._ for humans to live on Mars.The conclusion from Plan B para:_At present,human settlement of Mars is still decades away and the planet Earth

10、 is getting warmer,so what we humans should do now is 6._ the planet Earth,which is the only one we have!environmentalhas fascinatedless hostileunmanned spacecraftimpossibletake much better care of123-45【Activity 2】Reading for the structure and detailsChoose the statements that can be inferred from

11、the passage.A.Humans have yet not visited Mars.B.People want to go to Mars on holiday.C.There are plants growing on Mars.Presentation（呈现）Step6.Evaluation（评）Which is better,to live on Mars or to solve earths problems?Why?As far as I am concerned,at present to solve earths problems is better,because t

12、o live on Mars is still decades away.If we cant take effective measures to solve the earths problems,humans might get into trouble before the dream of living on Mars come ture.Practice（活用）Step7.Class Task:（用）Questions-interviewerWhat can you see from the window of the spacecraft?Can you go outside?H

13、ow do you get food on Mars?What do you miss about Earth?Answers-interviewee.Practice（活用）Step7.Class Task:（用）Give your interview to the class.Now think about how well you performed in the interview.Vote for the best interview.Groups Accuracy FluencyInnovation.Practice（活用）Step8.Summary:（结）While the Mo

14、on can be reached within days,it would take months to reach Mars,travelling through dangerous solar radiation.句意：虽然可以在几天内到达月球，但要穿越危险的太阳辐射到达火星则需要几个月的时间。while引导让步状语从句句子主干现在分词作状语.Production/Assignment（输出）Read the text again and recite the useful phrases and sentences.(20mins)Finish 课时达标Unit6 Period Three.(15mins)