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1、外研社新教材選擇性必修二Unit6 SurvivalDeveloping ideasPre-reading (P61)Watch the video and answer the questions.1 Where do people in the video live?2 What difficulties do they face?Pre-reading (P61)Watch the video and answer the questions.1 Where do people in the video live? The people in the video live in the
2、Antarctica.2 What difficulties do they face?They have to endure extreme weather including freezing temperatures, fierce winds and strong blizzards. When they go outside the stations, they wear special clothes for protection. As weather can change from calm to white-out in minutes, people have to tak
3、e a special survival bag in case they are trapped outside overnight. Pre-reading (P61)2 What difficulties do they face?1)One of the most difficult things is the long days and nights. They may cause issues with the scientists body clocks. The darkness also makes outdoor research impossible. 2)It is a
4、lmost impossible to grow fresh produce there because of the extreme conditions, and most food is imported. It is difficult for scientists to have a varied diet, and they cant get enough fresh fruit and vegetables.3)They have to face psychological problems. To keep the scientists psychologically heal
5、thy, research stations offer activities and entertainment including live music and lectures. Pre-readingIf people were to live on Mars, what difficulties might they face?Pre-readingDo you really know about Mars?Pre-reading1 What is Plan A? Why is Plan B needed?2 Why Mars?While-readingRead and check
6、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 risk to life on Earth.Plan APlan BMars is relatively close to Earth and has a _ enviro
7、nment than that of other planets.less hostile /hstal/RisksWhy MarsWhile-readingPlan B: Life on Mars?Para. 1 Risks to life on EarthPara. 2 Why Mars?nuclear missiles environmental problemsHow far have we gone in exploring Mars?They are mentioned to _.less hostileMars Village in North-west Chinas Qingh
8、ai Province Mars Desert Research Station show that our interest in Martian exploration is greater than ever beforeWhile-readingPlan B: Life on Mars?Para. 1 Risks to life on EarthPara. 2 Why Mars?nuclear missiles environmental problemsless hostilegreater interest in Martian explorationPara. 3-4 _ in
9、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 impossible.Scientists have succeeded in growing plants in an environment similar to that on Mars.W
10、hile-readingPlan B: Life on Mars?Para. 1 Risks to life on EarthPara. 2 Why Mars?nuclear missiles environmental problemsless hostilegreater interest in Martian explorationPara. 3-4 Efforts in exploring Marsspacecraft & missionspossibilitiesDoes it mean we give up Plan A?Para. 5 “We need to take much
11、better care of our own planet.”While-readingIn which magazine would you most likely find the passage?1 The Traveller2 All About Space3 Environmental Concerns4 Biology for FunWhile-readingChoose the statements that can be inferred from the passage.1 Humans have yet not visited Mars. 2 People want to
12、go to Mars on holiday.3 There are plants growing on Mars. 4 The greatest risk to life on Earth used to be nuclear missiles.5 One day, humans will have to go and live on another planet.6 Our Plan A includes developing renewable energy resources.7 The Biosphere 2 experiment ended in failure.inferred f
13、rom para. 3inferred from para. 4inferred from para. 1inferred from para. 1to form opinions and draw conclusions based on given information Reading techniquesHow do we identify an inference question?“According to the passage, we can reasonably infer”“Based on the passage, it could be suggested that”“
14、Which of the following statements is best supported by the passage?”“The passage suggests that this primary problem”“The author seems to imply that”“With which of the following statements would the author most likely agree?”infer, imply, suggest, support, agree.Language points Para. 1In the 1960s an
15、d 1970s, the greatest fear was _ the human race, and possibly all advanced life forms on the planet, could be wiped out by nuclear missiles, just at the push of a button.表語從句,在句子中充當(dāng)表語,表語從句常用的引導(dǎo)詞是 that, what, which, who, how, whether, if 等。麻煩的是我把信給弄丟了。 The trouble is that I have lost the letter.這就是我能
16、為你做的。 This is what I can do for you.that當(dāng)表語從句不缺成分時(shí),可選用引導(dǎo)詞 that;當(dāng)表語從句缺少主語、賓語或表語時(shí),用what 引導(dǎo)表語從句。表語從句練習(xí)The reason is _ she got up late this morning.This is _ she has always done for this school.Next month is _ the project will be launched.The point is _ can be done to stop this accident from happening a
17、gain.This is exactly _ she is absent from school these days.thatwhatwhenwhatwhyLanguage points Para. 1-2徹底摧毀;消滅按下按鈕接任成為對生命最大的威脅地球上;世界上降低風(fēng)險(xiǎn)用可再生能源取代煤炭和石油 做最壞的打算可怕的場景努力去做某事在全世界范圍內(nèi)受歡迎在某事上對某人予以教育wipe outat the push of a buttontake over as the greatest risk to lifeon Earthlower the risk replace coal and oil with forms of renewable energyprepare for the worstterrifying scenesenjoy worldwide popularity make efforts to do cate sb. on sth.on earth 究竟;到底Language points Para. 3一直在向發(fā)射無人飛船環(huán)繞星球運(yùn)行有價(jià)值的數(shù)據(jù)令人
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