1、Unit 4 Life in Mars第2课时Reading I1.To learn something about life on Mars2.To learn the words and phrases in this passageObiectivesMarshelmetair tankdried foodpower packsleeping baggravityn.火星n.头盔n.氧气罐n.干粮n.电源包n.睡袋n.重力Words and Expressionsplanetcrowdedpollutedrapidincrease(all)over againpassengerall a
2、/the speed ofn.行星adj.拥挤的adj.被污染的adj.快的，迅速的n.增加再；重新n.乘客以的速度Words and Expressionsuncomfortableoxygenin the form oftastyspeciallyfloatcomparecompare to/withadj.使人不舒服的；不适的n.氧气以的形式adj.味道好的adv.专门地，特地vi.飘浮；漂浮vt.&vi.比较与相比Words and Expressionsinterplanetarynetworkchallengingrapidlyadj.行星间的n.网络adj.挑战性的adv.快地，
3、快速地Words and ExpressionsWords:planet polluted rapid increasepassenger rapidly tasty comparePhrases:all over again at a/the speed ofin the form of compare to/withPatterns:It is hoped thatHere is what life there could be like.Our spacecraft are too slow to carryRobots would do most of their work so th
4、atFocus on火星：太阳系八大行星之一，按离太阳由近而远的次序计为第四颗，比地球小，公转周期约687天，自转周期约24小时37分。公转周期：约687天自转周期：24小时37分22秒行星直径：6794 千米质量：6.4191e20吨Moving to MarsThe color of Mars:_redMoving to Marsone-half the diameter(直径)of EarthThe size of MarsMoving to Marstwo moons（卫星）:Phobos and Deimos火卫1和火卫2Moving to MarsThe lowest temper
5、ature will be-133 and the highest will be 27 Moving to MarsDo you think it is possible for human beings to live on Mars?Discussion1.At present our spacecraft are too sto c large numbers of p.2.With the development of technology,the spacecraft can travel at the speed of l.3.The journey to Mars might
6、only take 20 m_low arry ight How can we get to the Mars?imutes assengersMoving to Mars1.Nobody knows whether there would be enough w_ or o_ on Mars2.Scientists are not sure whether p_ will grow on Mars.3.Food would most probably be in the form of pills ater What do we eat on Mars?山谷和溪流证实火星上曾存在水？Xyge
7、n（氧气）lantsMoving to MarsWhat should we wear on Mars？1.There is less _on Mars than on Earth.2.We could jump e_ and f_ into space.3.Humans have to wear s_ boots to make themselves heavier.4.The boots are s_ designed to p_ themselves from f_ off into spaceasily loat pecial gravity reventpecially laotin
8、g Moving to MarsWhere will we live on Mars?live in houses with large comfortable rooms Robots would do most of the houseworkMoving to MarsEvery student would have a computer at home.The computer will be connected to an interplanetary network.Where will we study on Mars?at a real schoolat an online s
9、choolMoving to MarsRead the passage,match the words on the left with the meanings on the right.1.crowded2.rapid3.population4.all over parea.for one purposeb.a second time from the beginc.decide in what way things are similar or differentd.having a nice tastee.full of peoplef.happening in a short per
10、iod of timeg.a person who rides in a car,bus,train,etc.but does not drive ith.the total number of people in an area,a country,etc.Moving to MarsMatch the keywords with the links.Write the correct letters in the blanks.cdbeaMoving to MarsRead the passage and chose the best answer.Moving to MarsRead the passage and chose the best answer.Moving to MarsComplete this list.Use the information from the article on pages 52 and 53.Moving to Mars1.To make a list of the things that an astronaut uses2.Learn all the words in this class by heart.Homework谢谢观看
