1、Unit 2 Out of this worldWelcome to the unit+readingThe pursuit of the ultimate truth of the universe is the final objective and destination of civilization.Liu Cixin对宇宙终极真理的追求，是文明的最终目标和归宿。刘慈欣Extension1. Read the lecture transcript and finish A1 on Page 18.While reading A1Life on a space stationSleep
2、ing(1) _(3) _(4) _(5) _Performing tasks inside the space station(2) _ _WorkingEatingExerciseLeisure activitiesPerforming tasks outside the space stationWhile reading A22. Finish A2 on Page 18.(1) How do astronauts sleep in space?(2) What routine tasks do astronauts do on the space station?(3) What d
3、o spacesuits allow astronauts to do? They usually sleep in private quarters or sleeping bags. They conduct scientific research and do a lot of maintenance.Spacesuits allow them to breathe in space and protect them from exposure to the cold and radiation.(4) How do astronauts drink water or any other
4、 liquids?(5) Why do astronauts need to spend some time in the gym?While reading A2They drink water or any other liquids out of a bag through a thin tube of plastic.Because the near absence of gravity makes them lose muscle and bone mass and going to the gym helps prevent this.On the space station, o
5、ne of the main (1) _ of astronauts is to do experiments. Some experiments aim to (2) _ the effects of low gravity. We are currently working on an experiment: how to grow vegetables in space.It is difficult to keep food fresh longer than 18 months in space, so growing vgetables is (3) _ for longer sp
6、ace missions. Hopefully, this experiment will (4) _ space farming and allow us to set up permanent bases on other planets, such as Mars. Despite these (5) _ benefits, there are many challenges.missionsevaluateof vital importancecast new light onvisibleWhile reading B1One challenge is that the enviro
7、nment in space is altogether different from that back on the Earth. In normal (6) _, plants grow upwards. However, because of the near (7) _ of gravity in space, there is no such thing as “up” or “down”. Fortunately, a special kit has been developed. It contains special “bags”, which provide the soi
8、l and nutrients for plants. The seeds in the bag are glued to a special material that will guide them to grow in the right direction. Another thing that (8) _ us is the safety of eating the vegetables grown in space. We need to do a scientific analysis after the space-grown vegetables are sent to th
9、e Earth. circumstancesabsencebothersWhile reading B11. Complete the table with words from the same word family. Then try to think of more word families.VerbsNounsAdjectivesAdverbsadventureadventure, adventureradventurousadventurouslydifferdifferencedifferentdifferentlydefinedefinitiondefinitedefinit
10、elyrewardrewardrewardingrewardinglyremarkremarkremarkableremarkablyWhile reading B2VerbsNounsAdjectivesAdverbsexperimentexperimentexperimentalexperimentallyhopehopehopefulhopefullyspacespacespaciousspaciouslydreamdreamdreamydreamilysleepsleepsleepysleepilyWhile reading B22. Find the sentences using
11、pronouns like “it”, “that” and “they” in the lecture transcript and find out what they refer to.My six-month stay on a space station has come to an end, and it has been a challenging but magical adventure. I bet youd love to know what daily life is like up in space and how it differs from that on th
12、e Earth The routine tasks that occupy most of the day are demanding, but they can also be extremely rewarding.While reading B3Hopefully, it will cast new light on the Earths climate and lead to better lightning protection. Its probably the most dangerous work, with potential risks such as electric s
13、hocks. Thats why every spacewalk is carefully planned.Salt and pepper are only in liquid form, so that they will not float off and block the air pipes. While reading B33. Try to improve the sentences in B3 using proper pronouns.Life on the space station may seem strange and difficult at first but yo
14、u will adjust to it. When you feel lonely, you can contact your family and friends back on the Earth. That can make you feel better. Life on the space station may seem strange and difficult at first but you will adjust to life on the space station. When you feel lonely, you can contact your family a
15、nd friends back on the Earth. Contacting them can make you feel better.While reading B3absence归纳拓展absence from school/work 缺课/缺勤in ones absence 在某人不在时in the absence of.不在时,缺少absence of mind心不在焉;精神恍惚absent adj. 缺席的,不在场的;不存在的;心不在焉的be absent from.不在的;未出席的;缺少absent-minded adj. 心不在焉的occupy(1)be occupied
16、with/sth. in doing sth.忙于做某事occupy oneself with sth./in doing sth.忙于做某事(2)occupation n. 消遣;业余活动;业余职业occupyI.语境串词_ himself with routine task, Tom had no time to accompany his children who was also _ in doing their homework. They didnt have any _.（occupy)【参考答案】Occupying; occupied; occupationexpose exp
17、ose.to.把暴露在,使接触exposed adj. (指地方)无遮蔽的;不遮挡风雨的be exposed to接触;暴露于中exposure n. 暴露 viewsight, view, scene, scenerysight指“景色”时为可数名词,往往指眼见的景色,如供人游览的“美景”或“名胜”,尤指人工制成的景色。view通常指自然景色,或指从远处或高处看到的景观、景物。scene所表达的景色常是scenery的一部分,常指自然景色,也可指舞台的场景、现实生活中的场景、场面、情景。scenery指某地总的自然风景或景色,尤指美丽的乡间景色,是不可数名词。evaluateevaluate
18、 vt. 评估,评价evaluation n. 评估,评价vitalbe vital for/to sth.对极为重要It is vital that.should+动词原形 是极重要的vital完成句子（1）尽管这些措施不会永远有效，但它们目前至关重要。Although these measures are not effective forever, .（2）（2018年江苏卷）在英国，新的适龄性教育和性教育课程应该帮助孩子们更好地应对日益增长的社交媒体需求，这一点至关重要。 new compulsory age-appropriate relationship and sex education lessons in England should help equip children to deal with the growing demands of social media.【参考答案】（1）they are vital for now（2）Its vital that
