Unit7 Lesson 38 The World Is a Big Place教案2022-2023学年冀教版八年级英语下册

UNIT 7　Know Our World Lesson 38: The World Is a Big Place 设计说明 首先概括本课的词汇，对词汇掌握后，进行进一步的巩固练习。接着通过展示图片，引出本课的话题the world (世界)。然后，通过播放录音，初步了解本课内容，并通过听对话掌握单词的发音；接着，读短文理解段落大意。利用Let’s Do It!中的练习题对文章内容进行巩固。讲解本课重难知识点，扫除语言学习障碍。最后通过当堂检测，查漏补缺，从而达到教学目的，实现教学目标。 教学目标 通过本课节的教学，学生达成以下目标： 1.知识目标 掌握单词：planet, total, increase, surface, Indian 接触单词：billion, Atlantic, Arctic 短语和句型：point out, in total, one third, be covered with; These dry places are called deserts. 2.能力目标 (1)能听懂关于地球的谈话与描述； (2)运用所学的知识介绍地球的一些基本情况。 3.情感目标 更多地了解地球，更好地对待和保护我们生活的地球。 重点难点 1. 重点：掌握本课节中的重点词汇和句型。 2. 难点：分数的表达方法。 教学准备 PPT 课件；本课节用到的录音。 授课时数 1课时 教学过程 Step 1　New words In this lesson we are going to learn something about the world. First let’s learn the new words. planet n.行星 total n. 总计；总数 adj.总的；总计的 increase v. 增加；增大 surface n.表面；表层 Indian adj. 印度的n.印度人 Language use Fill in the blanks with the correct forms of the words in the box. increase　　dry　　surface　　billion　　total 1. The number of swimmers here is 　　　　 quickly because it’s very hot these days. 2. The school has a 　　　　 of 900 students. 3. I think it may be the 　　　　 season of the year. 4. The 　　　　 of our body is skin. It protects us. 5. How many 　　　　 of people are there in the world now? Answers: 1. increasing　2. total　3. driest　4. surface　5. billions Step 2　Thinking about it 1. How many continents are there in the world? What are they? 2. What do you know about the place where you live? Step 3　Warming up 1. Oceans cover two thirds of the earth’s surface. 2. Deserts cover about ten percent of the earth’s surface. 3. The world’s biggest island is Greenland. Greenland is northeast of Canada. Step 4　Listening Listen to the tape and you need to pay attention to your pronunciation. Step 5　Reading Read the lesson and match each paragraph with its main idea. Paragraph 1　a. Six of the seven continents are good for people to live on. Paragraph 2　b. We should treat the earth well. Paragraph 3　c. An increasing population is a big pr