Unit4 Life on Mars Reading 课件--2024-2025学年牛津译林版九年级英语下册

9B Unit4 Reading Life on another planet Enjoy a video & answer What is this video about? Gravity could be another problem. The gravity on Mars is only about three-eighths of that on the Earth. People would have to wear boots that are specially designed to prevent themselves from floating off into space. Compared 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 comfortable rooms. Also, robots would do most of their work so that they could have more time to relax. There would probably be no schools on Mars. Every student would have a computer at home connected to an interplanetary network. They would study at online schools with “e-teachers”. Life on Mars would be interesting as well as challenging. Fast Reading Divide the text into four parts and write the main idea of each part. Part 1 Part 2 Part 3 Part 4 Paragraph 1 Paragraphs 2-4 Paragraphs 5-6 Paragraph 7 Why people move to Mars Disadvantages of life on Mars Advantages of life on Mars Conclusion Both Mars and the Earth are p_________ which travel around the Sun. Mars is the c_________ to the Earth. The surface of Mars is a little like that of the Earth...... How much do you know about Mars? Mars Earth lanets losest [ˈplænɪt]行星 Careful Reading 1. When could we live on the planet Mars? 2. Why do we need to move to Mars? Read Para. 1 and answer the questions below. By the year 2100. Because our own planet, the Earth, is becoming more and more crowded and polluted. Read Para. 2 and fill in the blanks. at present by the year 2100 They are ________ and it takes ________ to fly to Mars. too slow months They would travel at _______________ and it might take _________________. the speed of light only 20 minutes Why When How What ... Discussion If you were the writer, what aspects(方面) would you write about? Read Paragraphs 3-4 and do some T or F exercises. 1. Humans need food, water and oxygen to survive. 2. Meals will probably be in the form of pills and will be as tasty as they are today. 3. Mars has threes times the gravity of Earth. 4. People would have to wear special boots to prevent themselves from floating off into space. T F F T gravity houses (para.1) journey food (para.4) (para.5) (para.6) study reason (para.2) (para.3) (para.7) opinion Introduction（简介） Mainboby（主体） Conclusion（总结） Structure(结构） (para.1) (para.2-6) (para.7) problems food water not tasty oxygen Para 3 in the form of pills unsure If an elephant weighs 64kg on the Earth, how much does it weigh on Mars? A. 24kg B. 34kg C. 32kg pay attention to pronouns. Para 4 gravity Read Paragraphs 5-6 and fill in the blanks. 1. People will have ________ space. 2. ________ will do most of our work. 3. We’ll have more time to ________. 4. Students will study at ________ schools. more Robots relax online Read Para. 7 and answer the question below. How does the writer find the life on Mars? He thinks it would be interesting as well as challenging. huge rooms more space robots relax Para 5 Houses a__________ dvantages Journey At present By the year 2100 VS. too slow to carry... months at the speed of light about 20 mins Careful-reading [ˈpæsɪndʒə]乘客 at the speed of以……的速度 e.g. New planes can fly at the speed of sound. 新型飞机能够以音速飞行。 We can see a horse running at high speed. 我们能够看到一匹骏马在飞速奔驰。 名词，意为“速度”。 与speed相关的常用短语： at high speed以高速，高速地 at full speed全速 Every student would have a c ________ at home connected to an i____________ network.They would study at o ____ schools with e-teachers. omputer nterplanetary nline Para 6 inter means between Study ②People would have to wear boots that are specially designed to prevent themselves from floating off into space. specially adv. 特别地; 专门地 e.g. I made a cake specially for you. 我特地为你做了个蛋糕。 I came here specially to ask you a question. 我是专门来问你一个问题的。 副词，意为“特别地；专门地”。 表示目的时，specially 常与动词不定式或for短语连用。 at a real school on the Earth at online schools on Mars I prefer to study at …because… Para 6 Study 辨析: specially与especially specially 专门地, 特别地 表示 “不是为了别的, 而是为了……”, 强调唯一目的。 especially 尤其, 特别地 常用来对前面所述的事件做进一步的说明或补充。 e.g. He came here specially to say sorry to her. 他特意来这里向她道歉。 The noise is unpleasant, especially when you are trying to sleep. 噪音令人讨厌, 尤其当你正在试图睡觉的时候。 The gravity on Mars is only about three－eighths of that on the Earth. 火星上的重力仅是地球上重力的八分之三。　  ◎用法总结: three－eighths 八分之三。英语中分数的表达方法是:分子在前，分母在后；分子用基数词，分母用序数词；当分子大于1时，分母(序数词)后加－s。如: 六分之一one－sixth；十分之七 seven－tenths 另外，二分之一还可以用half表达；四分之一还可以用one quarter表达；四分之三还可以表达为three quarters等。 　根据汉语提示填写单词。  　Two－thirds　⁠(三分之二)of the class are planting trees by the river.  Two－thirds Para 7 what does the writer think of the life on Mars? interesting challenging Opinion journey food gravity houses study water oxygen which do you think is interesting or challenging? Why? (Work in pairs) Compared with life on the Earth， life on Mars would be better in some ways. 和地球上的生活相比，火星上的生活在某些方面会更好。　  ◎用法总结: 1.compare和逻辑主语life之间是被动关系，所以compare要用其过去分词形式。 没有什么能阻止我们实现梦想。 ______________________________________________________ 【解析】由句意可知, 本题考查“阻止某人做某事”的固定结构, 即prevent / stop / keep sb.（from）doing sth.。 Nothing can prevent / stop / keep us from realizing our dreams. ③Compared with life on the Earth, life on Mars would be better in some ways. compare with 与……相比 e.g. How can your bike compare with mine? 你的自行车怎么能和我的自行车相比呢? 考点5 　用适当的介词填空。 1.Mr Song compares her daughter  　to　⁠ a little princess.  2.Compared  　with　⁠ the top students in your class， you are still far behind them.  to with $$