Unit 2Out of this world-Welcome to the unit and reading ppt课件-（2020）新牛津译林版高中英语选择性必修第三册.pptx

1、B6U2 B6U2 Out of this worldOut of this worldWELCOME & READING WELCOME & READING BY G.ZBY G.Z1WELCOME TO THE UNITWELCOME TO THE UNITIn _, Yuri Gagarin In _, Yuri Gagarin became the first man to became the first man to journey into outer space.journey into outer space.In _, Neil Armstrong In _, Neil A

2、rmstrong became the first man to walk became the first man to walk on the Moon.on the Moon.In _, David Scott and In _, David Scott and James Irwin became the first James Irwin became the first men to travel in a wheeled men to travel in a wheeled vehicle on the Moon.vehicle on the Moon.In _, the fir

3、st In _, the first astronauts moved into the ISS.astronauts moved into the ISS.1 1WELCOMEWELCOME19611969197120001 1Any other breakthroughs in space exploration?Any other breakthroughs in space exploration?2Life on a space stationLife on a space stationWhat should be included What should be included

4、in “life”?in “life”?dressingeating accommodationtransportentertainmentAnything special in the Anything special in the space station?space station?2 2SCANNINGSCANNINGLife on Life on a space a space stationstationSleepingSleeping(1) (1) _(3) (3) _(4) (4) _(5) (5) _Performing tasks Performing tasks ins

5、ide the space inside the space stationstation(2)_(2)_WorkingEatingExerciseLeisure activitiesPerforming tasks outside the space stationTo introduce the topicFunction?2 2Para 1Para 1I bet youd love to know what daily life is like what daily life is like up in space and how it differs from that on the

6、how it differs from that on the EarthEarththe low gravity definitely makes ordinary things strange!IntroductionIntroduction2 2SleepingSleepingon the earth?in the space?private quartersprivate quarterssleeping bagssleeping bagsWHY?absence of gravityabsence of gravityfloat aroundfloat aroundattach our

7、selves to avoid attach ourselves to avoid floating aroundfloating around2 2WorkingWorkingconduct scientific research_ experiments_ experimentson mice, fish and mosquitoeson mice, fish and mosquitoesto evaluate the _ of low to evaluate the _ of low gravitygravityto learn about the changes in to learn

8、 about the changes in _ and _ _ and _ other fieldsother fields_: locate and track _: locate and track lightning on earthlightning on earth_: to cast new light _: to cast new light and better protect lightningand better protect lightningbiologicaleffectscellsmicroorganismsexamplepurposecheck support

9、systems and do some cleaning to maintain the space stationto maintain the space stationtest new equipmentmonitor scientific experimentsrepair space station2 2WorkingWorkingSpacewalkput on spacesuitsput on spacesuitshead outhead out127kgDanger mentioned?coldcoldradiationradiationelectric shockelectri

10、c shock2 2EatingEatingon the earth?in the space?whatever we wantwhatever we wantdried or freeze-dried or freeze-drieddriedfresh produce fresh produce every couple of every couple of monthmonthpills to keep pills to keep healthyhealthy2 2ExerciseExerciseWhy?Why?How long?How long?How?How?at least two

11、at least two hours a dayhours a daythe Soviet Union/ the Soviet Union/ RussiaRussia2 2Leisure activitiesLeisure activitieswatch our remarkable go bytake picturesenjoy sunrisebe worth challenging3Post readingPost reading3 3Appreciate the spiritAppreciate the spiritQualitiesPara Para 1 1Para Para 2 2P

12、ara Para 3 3Para Para 4 4Para Para 5 5Para Para 6 6Para Para 7 73 3Post readingPost reading Be positive and curiousBe positive and curiousSpare no effort to studySpare no effort to studyPursue dreams consistentlyPursue dreams consistentlyShoulder responsibilities Shoulder responsibilities courageous

13、lycourageously3 3Post readingPost readingM y s i x - m o n t h s t a y o n a s p a c e s t a t i o n i s a M y s i x - m o n t h s t a y o n a s p a c e s t a t i o n i s a 1._(challenge) but magical adventure. The daily 1._(challenge) but magical adventure. The daily life there for the astronauts d

14、iffers from 2._ happened on life there for the astronauts differs from 2._ happened on the Earth. Due to the near 3._(absent) of gravity in the Earth. Due to the near 3._(absent) of gravity in spacespace，we have to attach ourselves so that we donwe have to attach ourselves so that we dont float t fl

15、oat around.around.The routine tasks 4._(occupy) most of the day are The routine tasks 4._(occupy) most of the day are demanding but 5._(extreme) rewarding. For a spacewalkdemanding but 5._(extreme) rewarding. For a spacewalk，we have to put on our spacesuits, 6._ can protect us from we have to put on

16、 our spacesuits, 6._ can protect us from exposure to the cold and radiation. Meanwhileexposure to the cold and radiation. Meanwhile，eating is also eating is also different in space. Its 7._ luxury to eat fresh food and we different in space. Its 7._ luxury to eat fresh food and we must drink water o

17、r any other liquids out of a bag through a thin must drink water or any other liquids out of a bag through a thin tube of plastic. tube of plastic. challengingwhatabsenceoccupyingextremelywhicha3 3Post readingPost readingAt the same timeAt the same time，spending some time in the gym is of vital spen

18、ding some time in the gym is of vital 8._ (important) to our health. We have to be tied onto 8._ (important) to our health. We have to be tied onto specially designed exercise equipment to stop ourselves from specially designed exercise equipment to stop ourselves from floating around. 9._ we like m

19、ost is to sit back with the floating around. 9._ we like most is to sit back with the rest of the crew and watch the planet go byrest of the crew and watch the planet go by，taking pictures for taking pictures for our family and friends back home. To our delightour family and friends back home. To ou

20、r delight，we get to see we get to see the sunrise every 90 minutes. In 10._(conclude)the sunrise every 90 minutes. In 10._(conclude)，all all the challenges of life in space seem worth it.the challenges of life in space seem worth it.importanceWhatconclusionOn the space station, one of the main (1)_

21、of On the space station, one of the main (1)_ of astronauts is to do experiments. Some experiments aim to astronauts is to do experiments. Some experiments aim to (2)_ the effects of low gravity. We are currently (2)_ the effects of low gravity. We are currently working on an experiment: how to grow

22、 vegetables in space.working on an experiment: how to grow vegetables in space.It is difficult to keep food fresh longer than 18 months in It is difficult to keep food fresh longer than 18 months in space, so growing vegetables is (3)_ for space, so growing vegetables is (3)_ for longer space missio

23、ns. Hopefully, this experiment will longer space missions. Hopefully, this experiment will (4)_ space farming and allow us to set up (4)_ space farming and allow us to set up permanent bases on other planets, such as Mars. Despite these permanent bases on other planets, such as Mars. Despite these (

24、5) _ benefits, there are many challenges.(5) _ benefits, there are many challenges.visiblecircumstanceabsencecat new light onbotherevaluatemissionof vital importancemissionsevaluateof vital importancecast new light onvisibleOne challenge is that the environment in space is altogether One challenge i

25、s that the environment in space is altogether different from that back on the Earth. In normal different from that back on the Earth. In normal (6)_, plants grow upwards. However, because of (6)_, plants grow upwards. However, because of the near (7) _ of gravity in space, there is no such the near

26、(7) _ of gravity in space, there is no such thing as “up” or “down”. Fortunately, a special kit has thing as “up” or “down”. Fortunately, a special kit has been developed. It contains special “bags”, which provide the been developed. It contains special “bags”, which provide the soil and nutrients f

27、or plants. The seeds in the bag are glued soil and nutrients for plants. The seeds in the bag are glued to a special material that will guide them to grow in the right to a special material that will guide them to grow in the right direction. Another thing that (8)_ us is the safety of direction. An

28、other thing that (8)_ us is the safety of eating the vegetables grown in space. We need to do a eating the vegetables grown in space. We need to do a scientific analysis after the space-grown vegetables are sent scientific analysis after the space-grown vegetables are sent to the Earth. to the Earth. visiblecircumstanceabsencecat new light onbotherevaluatemissionof vital importancecircumstancesabsencebothers