牛津譯林版英語9B Unit4 Reading公開課ppt課件

1、 Planets in the solar system(太陽系太陽系)Mars is the nearest to the Earth.MarsEarthThe surface of Mars is a little like the surface of the Earth.Please open your books and turn to P52. Go through the passage quickly, then find out the answer: How many paragraphs are there? How many parts can be divided?

2、the gravity of Marsthe reason of moving to Marsthe speed of spacecraftcomfortable life on Mars the problems of food, water and oxygen on MarsThe writers opinion.students future studyreasonFive aspects(方面方面) about the life on Mars.The writers opinion. Find out the general idea for each paragraph.Para

3、graph1:Task2:the reason of moving to Mars1.When can we live on Mars? 2.Why do we need to move to Mars?We can build a better world on .MarsParagraph2: spacecraft have some differences between now and in the future. our spacecraft are too s _ to c _ large numbers of p_. It would take _. the speed of s

4、pacecraft (transport) With the development of technology, the spacecraft can travel at the speed of l _.We may feel _ and_.The journey to Mars might only take 20 m_.low arry monthsight uncomfortableillinutes At presentBy the year 2100assengers the problems of food, water and oxygen on MarsParagraph3

5、:1.Humans can survive without water, oxygen or food_2.We dont know whether there would be enough water, oxygen on Mars_3.Scientists are sure whether plants will grow on Mars _ 4. Food would most probably be in the form of pills _ 5.Food on Mars is more delicious than it on the Earth. _Tell us “T” if

6、 a sentence is true or “F” if it is false. FTFTFcantarentlessWe are not sure whether there would be _ water or _and whether _ could grow. Food would probably in the form of _ and would not be _.Water, oxygen and food enoughplantspillstastyoxygenParagraph4: The gravity of Mars( )1. If an elephant wei

7、ghs 64kg on the Earth, how much does it weigh on Mars?A. 24kg B. 34kg C. 64kg D. 32kgAWhile reading, pay attention to some pronouns.( )2.Why do people have to wear boots on Mars?A. Because they are beautiful and fashion.B. Because they can prevent people from floating off into space.C. Because they

8、can give people oxygen.D. Because they are comfortable and cheap.BWhile reading, if you meet long and difficult sentences1. First, read the whole sentence carefully.2. Second, find some key words:that: object clause or defining relative clauseafter/before/while/when: time clausesso-that/such-that: s

9、how the result of sth.so that: to talk about the purpose of doing somethingHelp you understand the sentence better.Paragraph5: comfortable life on MarsCompared with life on the Earth, life on Mars would be better in some ways.People would have more space.They might live in houses with huge comfortab

10、le rooms.Also, robots would do most of their work so that they could have more time to relax.Read and put these sentences in the correct order. reorganize them into a short passage.We live in houses with huge comfortable rooms.Robots would do most of the housework.at a real school on the Earthat onl

11、ine schoolson MarsParagraph6:students future study Get up early and go to school every dayTake heavy schoolbags.There isnt any school.Students would study with computers at home.The computer will be connected to an interplanetary network.Differences between life on Earth and life on MarsLife on the

12、Earth todayLife on Mars in 2100It is polluted and crowded.It is clean and has lots of space.Spacecraft are slow.It would take months.Spacecraft would travel _.Gravity is not a problem for us.Only about _ _ on Earth.We can wear many types of shoes.People wear _.Many people live in small flats.People

13、live in _.We study at real school.Students study at_ with _.We have many kinds of food with different tastes.Meals are just _.at the speed of light. three-eighths of the gravityspecial boots houses with huge comfortable roomsonline schoolsin the form of pills“e-teachers”What does the writer think of

14、the life on Mars?Paragraph7:Life on Mars would be interesting as well as challenging.Where would you like to live, Earth or Mars?Why?Task4 Four in a group and discuss. Four in a group and discuss. Every student can express your own idea Every student can express your own idea and talk about the reas

15、on. and talk about the reason. Id like to live - because-Plant more trees and flowers.Pick up rubbish and throw it into the rubbish bin.Save water, power and other useful resource.Have a low carbon life. 低碳生活低碳生活 We should study hard to get enough knowledge for the research work in the future.研究工作研究

16、工作Fill in the blanks.The Earth is becoming more and more crowded and polluted _ the _ in population. It is hoped that people could start _ on Mars. Here is what life there could be. _ 2100, the journey to Mars might only take about 20 minutes in spacecraft that travel _ light! And food would most pr

17、obably be _ pills and would not be so _. rapid increasebecause ofall over againBy the yearat the speed ofin the form oftastyPeople would have to _ boots that are specially designed to prevent themselves _ (float off )into space. At the same time, people on Mars would have more space. They might live in houses with huge comfortable rooms. Also, robots would do most of their work _ they could have mor