(
课件网) New Words planet billion total increase surface Indian Atlantic Arctic [ pl n t] n. 行星 [ b l n] n. 十亿；千兆 [ t tl] n. 总计；总数 adj.总的；总计的 [ n kri s ] v. 增加；增大 [ s f s] n. 表面；表层 [ ndi n] n. 印度人 adj.印度的 [ t l nt k] n. & adj.大西洋（的） [ ɑ kt k] adj.北极的 百：hundred 千：thousand 百万：million India n.印度 The earth is a special planet. Land only covers about one third of its surface. But billions of people live on it. There is an Indian wearing traditional Indian clothes. The number of the old increases year by year. It is said that world's total population will grow from 6.1 billion in 2000 to 11 billion in 2100. She wanted to fly solo across the Atlantic. Whales are still being hunted and killed in the Arctic. Lead-in How many continents and oceans in the world 1 2 3 4 2 1 4 3 5 6 7 Lesson 38 The World Is a Big Place 1.Listen to the Text. (指读) and finish Let's Do It 1 2. Listen to the teacher and take notes. 3. Read the text aloud. 4. Finish Let's Do It 2 &3 and check the answers . Thinking Thinking Thinking 1. The earth faces _____ problems in the passage. two/2 2. What are the problems The population is increasing very quickly. People can’t live everywhere on the earth. 3. What is the world’s population by 2025 About 8 billion. 4. Is it easy to live in a place with a lot of snow and ice No, it isn’t. Read paragraph 1-2 and answer the question. 1. Snow and ice cover _____ all year round. Antarctica 2. There are green forests, fresh water and rich lands on all continents. (T or F) √ 3. There is only one big ocean on the earth and it includes four different parts . (T or F) √ 4. How much of the earth’s surface is covered with oceans Two thirds. 5. Which is the largest part of the big ocean The Pacific Ocean. Read paragraph 3-4 and answer the questions. Discussion & Show Time Let's Do It 3 Show Time 行星_____ 十亿_____ 增加_____ 表面_____ 印度的_____ be covered with_____ in total_____ one third_____ two thirds_____ Some areas have very high mountains. Others have a lot of snow and ice. _____ In the year 2010, the world's population was over 7 billion in total. _____ planet billion increase surface Indian 被...覆盖 总计；合计 三分之一 三分之二 一些地区有很高的山脉。其他地区有大量的冰雪。 在2010年，世界人口的总数超过了70亿。 Explanation 1.total 辨析 I earned a total of $ 5 today. It took 14 years in total to build the Sydney Opera House. What was the total number of people at the meeting The party was a total disaster. Mary's phone is totally different from this one. total n. 总数；合计 in total 总共；总计 total adj. 总的；全部的 total adj. 完全的；彻底的 totally adv. 完全地 She was depressed (沮丧的) and felt _____hopeless about the future. （total） totally Explanation It is increasing very quickly. With the increase in population and the development of industry, litter is everywhere. The population of this city has increased by 5 percent. （翻 ... ...
