1、Unit 1 Life on Mars第一部分 简要提示一、年级：九年级二、教学内容： Unit 1 Life on Mars三、课型： Reading四、教学目标1. 知识目标掌握本课时的四会单词、主要词组和句型。2. 能力目标1) 学会运用本课所学的主要词汇和句型来简单描述未来生活。2) 学会略读和寻读等阅读技巧。3. 情感目标引导学生思考在另一个星球上生活的前景和可能性，比较不同环境的优点和缺点，激发学生探索未知世界的热情。 五、教学重难点1. 重点1) 学习和运用四会单词、词组。2) 掌握略读和寻读等阅读技巧。2. 难点 1) Every student will have a com
2、puter at home connected to an interplanetary network. 2) Compared with life on Earth, life on Mars will be better than life on Earth in many ways. 3) There will be various designs for settlers to choose from.3. 思考在另一个星球上第二部分 教学流程用时：25 分钟Step 1 Pre-reading 用时： 分钟(出境) T: Hi, everyone! Glad to meet you
3、 .Welcome to Unit 1 Reading.( 同学们,你们好.今天我们来学习 UNIT 1 阅读 )T: Everyone knows that Change has been launched into space lately.人人知道最近嫦娥一号被发射到太空. Thats really exciting . It can help us to know more about Moon. Do you want to live on Moon or some other planets ? We are used to living on Earth, but some pe
4、ople are thinking about moving to other planets. Why ?Lets look at some pictures first. (PPT)Part One Lead-inT: What can you find from the pictures?-What problems does Earth have ? T: The pictures show that Earth has two problems :one is the large population ( Its crowded ), the other is the serious
5、 pollution ( Its polluted).T: Now Earth is crowed and polluted. What shall we do ? Some scientists say there is a better worldMars. Do you know the planet Mars? And before we start to read the article Mars. Lets have a look at these new words first. Part Two Pre-readingT: Please fill in the blanks w
6、ith the correct words according to the whole sentence and the English explanation in the brackets. (请根据句子含义及括号内的英语解释填入所缺单词) (PPT)T: OK. Lets check the answers together. 1. A large body in space that moves around the star, e. g., the sun means planet. 2.A power that keeps us from floating in the air
7、means gravity.3.A vehicle designed for travel in space means spacecraft. 4.People who go to live in a new place mean settlers. Grow and improve means develop. 5.Machines that can do tasks under the control of computer mean robots. Small round pieces of medicine mean pills. T: Now read the new words
8、after me.(2 遍)New words: planet gravity spacecraft settlers develop robots pills T: Boys and girls, how much do you know about Mars? Do you its color , its size and some other information? Now let me show you my research on Mars. (PPT)1. The color of Mars: red ; 2. The size: about one-half the diame
9、ter of Earth; 3. Location:bIts between Earth and Jupiter in our solar system. 4. Its moons: Phobos and Deimos 5. Surface: The surface of Mars is a little like the surface of Earth.6. Temperature: The lowest temperature will be -133(degrees centigrade) and the highest will be 27 (整屏显示 6 点知识) （PPT）T:
10、Now you have learned something about Mars from my research. But is there anything else you want to know about Mars? What is the fastest way to learn more about Mars? T: Thats searching the Internet. Now look at the keywords. Guess their meanings first and then use the search engines to help you. Try
11、 to find the information about them on the Internet. (下面我们来看这些关键词,先猜测它们的含义,然后用搜索引擎来验证你的猜测是否正确.,再在网上找到有关他们的信息.) 超链接） (PPT)1. crowded planet : The population on Earth is about 6.4 billion in 2007. Its still increasing quicklypopulation here means the number of people. (PPT) (2007 年地球人口为 64 亿，现在这个数字还在快
12、速增长。)2. space shuttles : They are new kinds of spacecraft which can travel faster in space. (PPT) （他们是新型的可以在太空里飞行更快的航天飞机。 ）3. speed boots : They are special shoes that can make you walk faster in space.（他们是可以使你在太空行走更快的特殊鞋子。 ）4. space home : Its a special round house in space.(这是在太空里的特殊的圆形房子。) (PPT)5
13、. robot settlers: Settlers are the persons who move to a new place .（拓荒者是第一批搬到一个新地方的人。 ）/ Maybe robots will move to Mars and live on it first. (PPT)6. online teacher：The teacher who can help you at any time and any place in an on-line schools is called e-teacher. （在线老师可以在任何时候、任何地方帮助你。 ）(PPT)Step Two
14、 While-reading 用时： 分钟Task One SkimmingT: Now would you please open your books at page 8 ? Read the article quickly and find out the keyword of each paragraph. It can be a word or some words. You dont have to read it word by word. Just skim it. This kind of reading skill is called skimming. (同学们，请快速地
15、阅读文章的第一段，帮我找到其中的关键词。它可能是一个单词或几个单词，阅读时你没有必要逐字逐句地读，要跳读,这种阅读技能叫做略读)。 T: OK, boys and girls. Lets check the answers now : (PPT)Para 1 Crowded, polluted (population , pollution)Para 2 TransportPara 3 Food, water and airPara 4 GravityPara 5 HomePara 6 SchoolPara 7 FoodTask Two ScanningT: Thats very easy f
16、or you, right. Read each paragraph again , this time you should be more careful and pay more attention to the details . While reading the article , please find out the answers to the questions .Its another kind of reading skill called scanning (请同学们再仔细阅读文章每一段内容，这次希望同学们读得更加仔细。在阅读的的同时，请大家思考这些问题的答案。在阅读
17、的同时找出文章中细节性的内容, 这种阅读技能叫做寻读。 (2- T: Now ,boys and girls , please look at the screen here, lets check the answers.（PPT）Transport （PPT）1 What vehicle do people use to Mars at present? And how long does it take? ( Spacecraft . Months.)2 What vehicle may people use to go to Mars in the future? And how lo
18、ng will it take?(Space shuttles. Only a very short time.) Air ,water ,food （PPT） 3 What will scientists do to solve the problems of food , water and air?( Scientists will develop plants that can grow on Mars and produce the food, water and oxygen .)4 What will food on Mars be like?( Maybe the food w
19、ill be in the form of pills and will not be as tasty as they are today.) Gravity （ PPT）5 Is gravity on Mars a big problem? Why?( Yes, it is. Because the gravity on Mars is three-eighths of the gravity on Earth. )6 What may happen then? ( People may jump high easily and float away into space.)7 What
20、kind of shoes should people wear?(People should wear special boots to make themselves heavier.) Home （PPT） 8 What kind of house may people live in ? ( A special dome with 10 bedrooms is highly possible .)9 Who will do most of our work? (Robots will do most of our work.) School （PPT） 10 What kind of
21、school will students study in? And what do they call their teacher?( Students can study in online schools and they call their teacher e-teacher.) (连接星际电脑网络)T: Well, you really did a good job today. . From the reading we know that life on Mars is very different from that on Earth. Please compare thes
22、es differences and fill in the form below (PPT).T: Have you finished now? Lets check the answers together.Step 3 Post-reading 用时: 分钟 Task One Fill in the blanks (PPT) Earth today Mars in 2100polluted and crowded 1Spacecraft are slow. 2Gravity is not a problem for us. 3People can wear many types of s
23、hoes. 4People do not have much space. 5We take exams at school. 6We have many kinds of food with different tastes . 7Keys:1 clean and has lots of space2 Space shuttles travel at half the speed of light.3 only about three-eighths of the gravity that we have on Earth4 People wear special boots. 5 Peop
24、le live in a dome with 10 bedrooms.6 We take exams in online schools.7 Meals are just pills.T: Congratulations ! Youve got all the right answers . You know every coin has two sides. Here are some good points and bad points of living on Mars. We call the good points “advantages” and bad points “disad
25、vantages”.(我们知道：事物都有正反两方面，下面我们来看一下在火星上生活的利弊。我们把好的方面叫做“advantages” ，把不好的方面叫做“disadvantages ”。) Please look at the screen and fill in the right words. ( PPT )T: OK? Lets check the answers now. Advantages Its not _or_. The _ is more convenient . People will wear special _ People will have _space . _ wi
26、ll do most of our work. Well have more time for_. Students will study in _ schools.Keys:1 crowded polluted 2 transport 3 boots 4 more5 Robots 6 hobbies 7 onlineDisadvantages Low _ will be dangerous. Food does not taste _. Space travel make people feel _. Its too _to stay outside. Its too _ away from
27、 friends on Earth.Keys:1 gravity 2 good 3 ill / sick 4 cold 5 farT: Now would you please open your books at page 11 of the Students Book. Please complete Exercise C1 on page 11 T: .Have you finished them? Lets check the answers . ( PPT )Keys:1 a 2 b 3 c 4 c 5 b 6 b 7 a 8 bT: Well done , youve rememb
28、ered so much about Mars. Do you have any difficulties while reading? Lets look at some sentences together.T: Important sentences ( PPT )1 There will be various designs for settlers to choose from. 将有许多种设计可供移居者选择。to choose from意思是“从 中挑选” 。eg 我有很多双鞋子可以选择，但我决定不了选哪双。I have many pairs of shoes _(to choos
29、e from),but I dont know which pair _. (to choose) 2 The journey might take only a very short time in space shuttles that travel at half the speed of light.用以光速一半速度飞行的太空穿梭机进行的旅程可能只要花很短的时间。分析：此句是 that 连接的定语从句。that 引导的定语从句修饰先行词 space shuttles, 从句中的动词的人称和数由先行词 space shuttles 决定。3 Compared with life on E
30、arth, life on Mars will be better in many ways . 与在地球上的生活相比,火星上的生活在很多方面将会更好. compare with意思是“ 与做比较” 。在句中是过去分词短语作状语,此时 with 和 to 可通用。 eg 与我们的那条路相比,这条路繁忙得多 。This road is quite busy_ _ ours. (compared with / to )4 Every student will have a computer at home connected to inter-planetary network. 每个学生在家里有
31、一台连接星际网络的电脑。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。当然我们也可以用 connect to结构表示“ 把和连接起来 ”。 eg 江阴大桥把江阴和靖江连接了起来.Jiangyin Bridge _ Jiangyin _ Jingjiang. (connects to )T: Well, boys and girls ,you really did a good job today. T：小 结 今天我们学习了一些描述火星生活的词汇、句型，并且讨论了火星上未来生活的优缺点。希望同学课后认真巩固课文内容，用自
32、己的语言来简单描述火星生活。 T: Todays homework: (PPT)1 Read the passage aloud.2 Finish off the additional exercises. T: Thats the end of my class . Good-bye, everyone. See you next time.Additional exercises: 用括号内所给词的适当形式填空:1 There is less air _ ( pollute) in town that in the town.2 Look at the newest T-shirt . I
33、ts made of cotton. I think it will become _ ( fashion ) this summer.3 Its _( high) possible that people can live on Mars in the future.4 Grandma is too old _ ( settle ) on another planet.5 The helmet is made of metal. Its too heavy. When I wear it , I feel _ ( comfort).6 My father cooks very well. T
34、he food he cooks is as _ ( taste ) as that in the restaurant.7 Here are many kinds of moon cakes for you_( choose ) from.8 _ ( compare ) with what he had already, the new stamps were not very interesting.9 _( hope ), doctors have found a new way to operate on the patients - flying hospital.10 We sho
35、uld keep water from _( be ) polluted .Keys to additional exercises:1 pollution 2 fashionable3 highly 4 to settle5 uncomfortable 6 tasty7 to choose 8 Compared 9 Hopefully 10 being说 明 本课时是 9B Unit 1 的 Reading。这一课时展望了将来人们在火星上的生活状况。文章分别就交通 、重力等 5 个方面讨论了火星上生活的优缺点。在组织教学时，教师要鼓励学生展开想象, 提醒学生在谈论未来生活时很多答案没有对错之分。同时教师还应注意对学生略读和寻读等阅读策略的训练。
