Lesson 38课件 2022-2023学年冀教版英语八年级下册

Lesson 38: The World Is a Big Place 1 Words and Phrases planet billion total increase surface Indian Atlantic Arctic n. 行星 n. 十亿；千兆 n. 总计；总数 adj. 总的；总计的 v. 增加；增大 n. 表面；表层 adj. 印度的 n. 印度人 n. & adj. 大西洋(的) adj. 北极的 billions of 数十亿的 an Indian 一个印度人 India n. 印度 Read and Answer the Questions 3. What is the world’s population by 2025? 1. About ________ of the earth is land and _________ of the earth’s surface is covered with oceans. 2. How many problems does the earth face in the passage? 6. It must be treated well for our children and for our children’s children, too! (译) 4. Is it hard to live in a place with much snow and ice? 5. Which continent is not easy for people to live on? one third two thirds Two/2. About 8 billion. Yes, it is. Antarctica. 为了我们的子孙后代，地球必须被善待！ 当我们面对困难时，我们要勇敢。 1. The earth is a very special planet, and it faces a big problem. 地球是一个非常特殊的行星，它面临着一个大问题。 Language points face v. 面对 face v. 面向;朝向 Mr. Li turned around and faced me. We should be brave when we face difficulties. Linda has a beautiful face. How many faces does the box have?  face n. 面; 表面 face n. 面孔; 脸庞 李老师转过身面向我。 琳达有着一张美丽的脸庞。 这个箱子有几个面？ 完成这个工程花费了他们大约二十亿美元。 It took them about __________ dollars to complete the project. 2. In the year 2010, the world’s population was over 7 billion in total. 在2010年，世界人口的总数超过了70亿。 拓展：hundred, thousand, million与billion用法一致。 例如：9 hundred(900); thousands of(成千上万的); 3 million(3百万) Language points billion 十亿，其前有数词修饰时，不能用复数形式。 如表示不确定的数量，用“billions of”表示“数十亿的”。 China is spending __________(数十亿的) dollars on the roads. billions of  two billion in total = in all 总计；总共 3. In the year 2010, the world’s population was over 7 billion in total. 在2010年，世界人口的总数超过了70亿。 There are 70 students in total in our class. There are a total of 7 apples on the tree. 树上总共有7个苹果。 我们班总共有70个学生。 a total of … 总数为…… 一共有多少只老虎？ How many tigers _______________? in total / in all = There are 70 students in all in our class. 4. It is increasing very quickly. （世界人