九年级英语下册 Unit 1 Life on Mars Reading I教案 牛津版-牛津版初中九年级下册英语教案.doc

Life on MarsReading ITeaching aims:1. Understand the planet living in another plant.2. To recognize and read words of life on Mars.3. Identify and list the differences lives between earth and Mars.Teaching stepsStep 1 ReviewTranslate some sentences.1. 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。Keys: Ive never thought about traveling into space.How do you like life on Mars?I thought you liked Mars.Step 2 Presentationplanet n. 行星crowded adj. 快的，迅速的polluted adj. 被污染的rapid adj. 快的，迅速的increase n. 增加 (all) over again 再；重新passenger n. 乘客at a/the speed of 以的速度uncomfortable adj. 使人不舒服的oxygen n. 氧气in the form of 以的形式tasty adj.味道好的 specially adv.专门地，特地float vi.漂浮；飘浮compare vt. &vi.比较compare to /with 与相比interplanetary adj. 行星间的network n. 网络challenging adj. 挑战性的rapidly adv. 快地，迅速地Step 3 Match the words and the meaningcrowded a. for one purposerapid b. a second time from the beginningpopulation c. Decide in what way things are similar or difficultall over again d. having a nice tastepassenger e. full of peopletasty f. happening in a short period of the timespecially g. a person who rides in a car, bus, train, etc. but does not drive itcompare h. The total number of people in an area, a country, etc.Keys: e f h b g d a cStep 4 DiscussThe color of Mars: _ Redthe surface of Mars The surface of Mars is a little like the surface of Earth.The size of Mars one-half the diameter (直径) of Earththe temperature of the MarsThe lowest temperature will be -133 (degrees centigrade) and the highest will be 27 the transport to the Marsspacecraft are too slow to carry large numbers of people to MarsStep 5 Pre-readingDaniel is looking for more information on the Internet. Help him find out the links to the key words.crowded planet space houses spacecraft robot on Mars speed boots online teacher a 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 be of great help to people on Mars.f The population on the Earth is still increasing rapidlyKeys: crowded planet The population on the Earth is still increasing rapidlyspacecraft All about the newest spacecraft that travel in space speed boots Our shoes can make you walk faster!space houses Living in a round house is fun robot on Mars Robots could be of great help to people on Marsonline teacher Need someone to teach you any time, at any place?Step 6 Fast readingRead the article quickly and find out the keyword of each paragraph.Para 1Para 2Para 3Para 4Para 5Para 6Para 7Keys:Para 1 Crowded, polluted (population , pollution)Para 2 TransportPara 3 Food, water and airPara 4 GravityPara 5 HomePara 6 SchoolPara 7 LifeStep 7 Listen 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? 3. Will space travel make people feel ill?4. Will gravity on Mars be a big problem?5. How will students study?Keys: Earth is becoming more and more crowded and polluted.Several months.Yes.Maybe, but we can wear special boots to prevent floating.They will study at online schools with “e-teachers”.Step 8 Careful readingRead each paragraph carefully and find out the answers to the questions 1. What vehicle do people use to Mars at present? And how long does it take? 2. What vehicle may people use to go to Mars in the future? 3. What are the problems of living on Mars?4. What will food on Mars be like?5. Is gravity on Mars a big problem? Why?6. What may happen then? 7. What kind of shoes should people wear?8. What kind of house may people live in ? 9. Who will do most of our work? 10. What kind of school will students study in? And what do they call their teacher?Keys: Spacecraft. Months.Space shuttles. Only 20 minutes.Scientists are not sure whether would be enough water or oxygen on Mars and produce the food, water and oxygen.Maybe the food will be in the form of pills.Yes, it is. Because the gravity on Mars is three-eighths of the gravity on Earth. People may float off into space.People should wear special boots.They might live in houses with huge comfortable rooms.Robots will do most of our work.There would probably be no schools on Mars. They will study at online schools with “e-teachers”.Step 9 Discuss Differences between life on Earth and life on Mars.Life on the Earth today Life on Mars in 2100It is polluted and crowed.It would be clean and have lots of space. Spacecraft are slow.There is enough water and oxygen.There are many kinds of tasty food.Gravity is not a problem for us.Many people live in small flats.People have little time to relax.Students study at real schools.Keys: At the speed of light.Nobody knows whether there would be enough water or oxygen.Food will probably be in the form of pills.We must wear special boots.People will have more space.They will have more time to relax.At online schools.Step 10 Homework1. Read the passage aloud.2. Find out the difficult sentences and discuss them with your classmates.