译林版九年级下册英语第四单元全套公开课教学课件.pptx

1、Unit 4 全套单元教学设计全套单元教学设计 Life on Mars1.Welcome to the unit2.Reading I3.Reading II4.Grammar5.Integrated skills6.Study skills7.Task 牛津译林版牛津译林版 九年级下Unit 4 Life on MarsWelcome to the unit Mars火星Can you find out which is Mars?The sun,the Earth and MarsThe surface of MarsMarshelmetair tankdried foodpower p

2、acksleeping packgravityn.火星n.头盔n.氧气罐n.干粮n.电源包n.睡袋n.重力Do you know these words?overcrowdedtoo much pollutionWhat shall we do?Where shall we live?Daniel is dreaming about visiting another planet.What should he take with him?Write the name of the item under each picture.air tank,computer,dried food,powe

3、r pack,sleeping bag,space helmet,special boots,tentair tanktentdried foodspace helmetspecial bootscomputerpower packsleeping bagCan you guess what the life will be like on Mars?fruit or vegetables dried foodon Marson Earthgravityless gravityon Marson Earthpollutionno pollutionon Marson Earthveryimpo

4、rtantnot importanton Marson Earthless homework and robots will help heron Marson Earthtoo much homeworkDaniel is talking to Amy about living on Mars.What would it be like?Work in pairs and discuss with your partner.Use the conversation below as a model.Daniel:What would it be like to live on Mars?Am

5、y:Theres less gravity on Mars.Wed probably need to wear special boots.Daniel:Yes.And we might need sleeping bags too.Amy:I agree.Also,theres no fruit or vegetables,so we would have to eat dried food.Daniel:Wellthat sounds quite boring!But there would be no pollution on Mars.Amy:I hope so.What do the

6、 boy and his father want to do?Can you guess do they like travel into space?Listen and answer the questions.1.Do you think Eddie likes the life on the Mars?2.Why does Eddie hate life on the Mars?No,I dont think so.He cant get to his food because of the helmet.Role play the conversation between Hobo

7、and Eddie.Hobo:Wow,Ive never thought about travelling into space.Eddie:Me neither.Hobo:How do you like life on Mars?Eddie:I hate it.Hobo:Why do you hate it?I thought you liked Mars.Eddie:Its this helmet.I cant get to my food.1.Hobo:Wow,Ive never thought about traveling into space.Eddie:Me neither.Me

8、 neither 为非正式用法，美式英语中用Me either,正式回答为Neither have I.2.How do you like life on Mars?你认为火星上的生活怎么样？How do you like?=What do you think of?你认为怎么样？e.g.How do you like my new look?你认为我的新造型怎么样？1.去太空旅行 2.你认为怎么样?3.我原以为 4.得到我的食物5.少一些重力 6.没有污染travel into spaceHow do you like?I thought get to my foodless gravity

9、no pollution Translate the phrases.Complete the following sentences.1.R_ will help us with our housework in the future.2.Youd better wear a h_ to keep yourself safe when you are riding a motorcycle.3.He likes music very much and he can play the _(吉他)very well.obots elmet guitar4.She likes wearing a

10、pair of _(太阳镜)to keep off the sun.5.I think we need a _(帐篷)when we are camping.sunglasses tent 1.Search more information about Mars on the Internet.2.Preview the new words in next lesson.Unit 4 Life on MarsReading I1.我从来没想过去太空旅行。2.你认为火星上的生活怎么样？3.我原以为你喜欢火星。Ive never thought about traveling into space

11、.How do you like life on Mars?I thought you liked Mars.planets n.行星polluted adj.被污染的 air pollutioncrowded adj.拥挤的more and more crowdedpopulation n.人口oxygen n.氧气connect to an interplanetary networkplanet n.增加 crowded adj.快的，迅速的polluted n.行星rapid adj.使人不舒服的increase n.氧气passenger n.乘客uncomfortable adj.

12、拥挤的Oxygen adj.被污染的_ adj.味道好的 _ adv.专门地，特地_ vi.漂浮；飘浮_ vt.&vi.比较_ adj.行星间的_ n.网络_ adj.挑战性的_ adv.快地，迅速地tastyspeciallyinterplanetaryrapidlychallengingnetworkcomparefloat(all)over again _at a/the speed of _in the form of _compare to/with _再；重新以的速度以的形式与相比Daniel needs to check the meanings of some words in

13、 the article.Help him match the words on the left with the meanings on the right.Write the correct letters in the blanks.a.for one purposeb.a second time from the beginningc.Decide in what way things are similar or difficultd.having a nice tastee.full of peoplef.happening in a short period of the ti

14、meg.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.crowdedall over againrapidpassengerpopulationtastyspeciallycompareIt may be difficult to imagine when people will live on the planet Mars.by the year 2100the solar system 太阳系 one-

15、half the diameter(直径)of Earthtwo moons:spacecraftare too slow to carry large numbers of people to Marshelmetspecial bootsspace suitDaniel is looking for more information on the Internet.Here are keywords he used and the links he got from the search engine.Help him match the keywords with the links.W

16、rite the correct letters in the blanks.crowded planetspacecraft speed boots space housesrobot on Marsonline teachera Need someone to teach you any time,any place?b Living in a space house is func All about the newest spacecraft that travel in spaced Out shoes can make you walk faster!e Robots could

17、be of great help to people on Mars.f The population on the Earth is still increasing rapidlyAll about the newest spacecraft that travel in space crowded planetspacecraft speed boots space housesThe population on Earth is still increasing rapidlyOur shoes can make you walk faster!Living in a round ho

18、use is fun robot on Marsonline teacherRobots could be of great help to people on MarsNeed someone to teach you any time,at any place?Read the article quickly and find out the keyword of each paragraph.Para 1Para 2Para 3Para 4Para 5Para 6Para 7crowded,polluted (population,pollution)transportfood,wate

19、r and airgravityhomeschoollifeListen to the recording and answer the following questions.1.Why do people need to move to Mars?2.How long will it take to flay to Mars at present?Earth is becoming more and more crowded and polluted.Several months.3.Will space travel make people feel ill?4.Will gravity

20、 on Mars be a big problem?5.How will students study?Maybe,but we can wear special boots to prevent floating.Yes.They will study at online schools with“e-teachers”.Read each paragraph carefully and find out theanswers to the questions.1.What vehicle do people use to Mars at present?And how long does

21、it take?2.What vehicle may people use to go to Mars in the future?Spacecraft.Months.Space shuttles.Only 20 minutes.3.What are the problems of living on Mars?4.What will food on Mars be like?Scientists are not sure whether would be enough water or oxygen on Mars and produce the food,water and oxygen.

22、Air,water,foodMaybe the food will be in the form of pills.5.Is gravity on Mars a big problem?Why?6.What may happen then?7.What kind of shoes should people wear?GravityPeople may float off into space.Yes,it is.Because the gravity on Mars is three-eighths of the gravity on Earth.People should wear spe

23、cial boots.8.What kind of house may people live in?9.Who will do most of our work?HomeThey might live in houses with huge comfortable rooms.Robots will do most of our work.10.What kind of school will students study in?How will the students study?There would probably be no schools on Mars.They will s

24、tudy at online schools with“e-teachers”.SchoolDaniel is making a list of the differences between life on the earth today and life on Mars in 2100.Help him complete his list.Use the information from the article.It is polluted and crowed.It would be clean and have lots of space.Spacecraft are slow.The

25、re is enough water and oxygen.There are many kinds of tasty food.Nobody knows whether there would be enough water or oxygen.Food will probably be in the form of pills.Life on the Earth todayLife on Mars in 2100At the speed of light.Gravity is not a problem for us.Many people live in small flats.Peop

26、le have little time to relax.Students study at real schools.People will have more space.We must wear special boots.They will have more time to relax.At online schools.Life on the Earth todayLife on Mars in 21001.Read the passage aloud.2.Find out the difficult sentences and discuss them with your cla

27、ssmates.Unit 4 Life on MarsReading IIDaniel is telling Simon about the article.Simon is very interested and is asking many questions.Help Daniel answer Simons questions.Circle the correct letters.1 Why would people move to Mars?a The Earth is crowded and polluted.b People want to make friends with t

28、hose from another planet.c Flying to Mars would be fun.2 How long does it take to fly to Mars at present?a Hours.b Months.c Years.3 What would the flight to Mars be like by the year 2100?a Fast and comfortable.b Fast but uncomfortable.c Slow but comfortable.4 What would food on Mars be like?a Very t

29、asty.b Very sweet.c Not very tasty.5 Would gravity be a problem an Mars?a No,its not a problem.b Yes.Many people would get lost.c Yes,and people would wear special boots.6 Where might people live on Mars?a In houses with huge rooms.b On spacecraft.c In sleeping bags.7 What would schools be like on M

30、ars?a Very small.b Online schools.c Like those on the Earth.8 What does the writer think of life on Mars?a Better than life on the Earth.b Worse than life on the Earth.c There would be good and bad points.1.Our own planet,the Earth,is becoming more and more crowded and polluted because of the rapid

31、increase in population.我们自己的星球,地球,由于人口的快速增长,变得越来越拥挤,污染越来越严重。fast,quick和rapid1)fast既可用作形容词又可用作副词,主要表示人或物体本身的速度快,如汽车开得快、人走得快、时间过得快等。2)quick常用作形容词,主要表示反应快、动作敏捷。3)rapid是正式用语,只用作形容词,语气较强,常用于表示抽象意义的“快速的”,如价格涨得快、社会变革快等。选用fast,quick或rapid填空。1)My brother ate a _ breakfast and went to school in a hurry.2)Tom

32、runs so _ that I cant catch up with him.3)We saw the _ development of the society these years.rapid quick fast 2.It is hoped that people could start all over again and build a better world on Mars.人们有望能够在火星上重新开始,建设一个更好的世界。句型 It is hoped that表示“可以指望”,指说话者希望如此。e.g.我们有望在本周前完成此项目。_ we can finish the pro

33、ject before this weekend.It is hoped that 3.At present,our spacecraft are too slow to carry large numbers of passengers to Mars it would take months.目前,我们的宇宙飞船太慢了,无法运送大批的乘客去火星-因为要花几个月的时间。句中的large numbers of 表示“大量的”,也可以说a large number of。e.g.很多人在国庆假期去旅游。_ people go travelling during the National Day

34、holiday.Large numbers of 4.With the development of technology,by the year 2100,the journey might only take about 20 minutes in spacecraft that travel at the speed of light！随着科技的发展,到2100 年,乘坐以光速飞行的宇宙飞船,行程或许只要大约20分钟！at a/the speed of的意思是“以的速度”。e.g.小汽车正以每小时100公里的速度行驶。The car is moving _ 100 kilometers

35、per hour.at a speed of 5.Food would most probably be in the form of pills and would not be so tasty.食物很大可能会以药片的形式存在,而且味道没有那么可口。in the form of 的意思是“以的形式”。e.g.欢迎以钱的形式资助。Help _ money will be welcome.in the form of 6.The gravity on Mars is only about three-eighths of that on the earth.火星上的重力大约只有地球上的八分之三

36、。在表示分数时,分子用基数词,分母用序数词。分子如果大于1,分母须用复数形式。分子、分母之间有无连字符均可。e.g.1/3 2/5one-thirdtwo fifths在做比较时,我们常用that/those指代句中类者相同的那一部分。通常that用于指代可数名词数或者不可数名词,those用于指代可数名词复数。此句中的that指代前面的gravity。e.g.火星上的空气要比起球上的稀薄很多。The air on Mars is much thinner than _ on the earth.that7.Compared with life on Earth,life on Mars wo

37、uld be better in some ways.与在地球上的生活相比与在地球上的生活相比,火星上的生活在有些方面要好些。火星上的生活在有些方面要好些。compare with 意思是意思是“与与做比较做比较”。在句中是过去。在句中是过去分词短语作状语分词短语作状语,此时此时with和和to可通用。可通用。e.g.与我们的那条路相比与我们的那条路相比,这条路繁忙得多。这条路繁忙得多。This road is quite busy _ pared with8.Every student would have a computer at home connected to interplane

38、tary network.每个学生家里都有一台电脑与星际网络连接。connect to意思是“与连接”。这里的connected to是过去分词后置作定语,修饰computer。connect to表示“把 和连接起来”。e.g.山姆想把鼠标和电脑连接起来。Sam wants to _ _.connect the mouseto the computer 9.Life on Mars would be interesting as well as challenging.火星上的生活,不仅有挑战性,还很有趣。as well as意思是“不但而且,既又”。注意这一短语在翻译成中文时,应先翻译as

39、 well as后面的内容,再翻译前面的。e.g.They visited the museum as well as the zoo.他们不但参观了动物园,还参观了博物馆。1.At present,our spacecraft are too slow to carry large _ of people.By 2100,the space shuttles might travel at the _ of light.numbersspeed2.Scientists are not sure whether _ could grow on Mars.Food would probably

40、be in the form of _ and would not be so _.plantspillstasty3.The gravity on Mars only about three _(3/8)of the gravity on Earth.People would have to wear _ boots to prevent themselves from _ off into space.eighths specialfloating4.Life on Mars will be _ than _ on Earth in some ways.People have more _

41、._ would do most of our work.Every student would have a computer _ to an interplanetary computer network.better that space Robots connected1.Make a short passage about “Life on Mars”.2.Read the passages fluently.Unit 4 Life on MarsGrammaraware adj.知道，意识到e.g.Are you aware how far Mars is away from th

42、e sun?circle vt.围绕，将一圈起来e.g.It takes Mars about two Earth years to circle around the Sun once.agreement n.一致，同意e.g.Are scientists in agreement that living on Mars would be possible for humans in the future?distance n.距离，远处e.g.Are you aware of the distance between Mars and the sun?possibility n.可能性e.

43、g.Do scientists agree about the possibility of living on Mars?我们可以用介词短语把状语从句转换成简单句，我们可以用介词把宾语从句和定语从句转换成简单句。We can rewrite some adverbial clauses in simple sentences with at the age of,because of and without.A Using adverbial clauses or simple sentences转换时要注意时态和意思的一致性和准确性。Neil Armstrong received his

44、student pilots license when he was 16.Neil Armstrong received his student pilots license at the age of 16.People might float in space because the gravity is slow.People might float in space because of the low gravity.Humans cannot survive if there is no food,water or oxygen.Humans cannot survive wit

45、hout food,water or oxygen.Daniel is writing about visiting another planet.Help him rewrite the sentences using the words in brackets.1.Neil Armstrong took his first flight when he was only six.(at the age of)_ _2.Yuri Gagarin became the first man to go into outer space at the age of 30.(when)_ _Neil

46、 Armstrong took his first flight at the age of six.Yuri Gagarin became the first man to go into outer space when he was 30.3.People might move to another planet in the future because the population on the earth is increasing rapidly.(because of)_ _4.If there is no fresh food,meals will not be as tas

47、ty as they are on the earth.(without)_ _People might move to another planet in the future because of the increasing rapidly population.Meals will not be as tasty as they are on the earth without fresh food.5.It would be funny to play football on Mars because of the low gravity.(because)_ _6.Without

48、special boots,you cannot walk on Mars.(ifnot)_ _It would be funny to play football on Mars because the gravity is low.If you dont have special boots,you cannot walk on Mars.把下面的复合句改成简单句。1.He learnt to swim when he was eight years old.2.He could not go to the party because he had too much homework.He

49、 learnt to swim at the age of eight.He could not go to the party because of too much homework.3.He cannot solve this problem if he has no help.He cannot solve this problem without help.We can rewrite some object clauses in simple sentences with prepositions like of and about.B Using object clauses o

50、r simple sentences常用的一些动词和介词的搭配有：remind somebody of 使某人想起be sure/certain about对确信The smell of the pills reminds them of the tasty food on the Earth.Are they sure that space travel will be very fast?Are they sure about the fast speed of space travel?The smell of the pills reminds them that food on th