1、 The novel Robinson Crusoe tells the story of a young and impulsive Englishman Robinson Crusoe that defied(违抗违抗)his parents wishes and took to the seas seeking adventure.The young Robinson Crusoe was shipwrecked(船只失事船只失事)and castaway(被被抛弃的抛弃的)on a remote tropical(热带的热带的)island for 28 years.He learne
2、d how to survive by cooking,farming,harvesting the crops.But the loneliness began to haunt him.Later he saved the life of a savage who he named Friday and they became friends.Finally Crusoe left the island by a British ship and returned to England.The Adventures of Robinson Crusoe/kruso/Listen again
3、 and complete the diagram:1.lose his head 2.gets necessary things 3.lives in a cave 4.builds a fence 5.makes a fire 6.out of wood 7.sewing animal skins together 8.knowledgeable9.widen and deepen his cave 10.ruined by a landslide/ruined by a fall of earth11.feel depressed 12.redoes the work,using woo
4、den posts to make the cave stronger than before13.looks more upon the bright side of his condition,and less upon the dark side14.positive attitude Discuss within groupsWhat if the conditions became too extreme for human beings to live on Earth anymore?What could be the possible solution to the survi
5、val of human beings?NoImageMarsNoImage An astronaut is left on Mars after his team assume him dead,and must rely on his intelligence to find a way to signal to Earth that he is alive and can survive until a potential rescue.The MartianHow does he survive on Mars?Pre-readingDo you really know about M
6、ars?Pre-reading1 What is Plan A?Why is Plan B needed?2 Why Mars?While-readingRead and check your prediction.Para.1 _ to life on EarthPara.2 _?In the 1960s and 1970s,the greatest fear was that could be wiped out by nuclear missiles.Today,however,environmental problems have taken over as the greatest
7、risk to life on Earth.Plan APlan B Mars is relatively close to Earth and has a _ environment than that of other planets.less hostile /hstal/RisksWhy MarsPara.1 Risks to life on EarthPara.2 Why Mars?nuclear missiles environmental problemsHow far have we gone in exploring Mars?They are mentioned to _.
8、less hostile show that our interest in Martian exploration is greater than ever beforePara.3-4 _ in exploring MarsEffortsPara.3:Since the 1960s,we have been sending unmanned spacecraft to Mars.space agencies of various countries are planning manned missions to MarsPara.4:Staying alive will not be im
9、possible.Biosphere 2 experiment.Scientists have succeeded in growing plants in an environment similar to that on Mars.Para.1 Risks to life on EarthPara.2 Why Mars?Para.3-4 Efforts in exploring MarsDoes it mean we give up Plan A?Para.5“We need to take much better care of our own planet.”Post-readingI
10、n which magazine would you most likely find the passage?1 The Traveller2 All About Astronauts3 Environmental Concerns4 Biology for FunThink&ShareWhich is better,to live on Mars or to solve Earths problems?Why?What theme do the two reading passages(The Wild Within&Life on Mars)in this unit have in co
11、mmon?On what aspects does each passage focus?The two passages share the theme of protecting our living environments.The first passage focuses on balancing nature and urban development,and the need for harmony between humans and animals.The second passage focuese on our need to protect Earth even if we intend to settle on other places such as Mars.
