《九年级英语教案2.doc》由会员分享,可在线阅读,更多相关《九年级英语教案2.doc(2页珍藏版)》请在得力文库 - 分享文档赚钱的网站上搜索。
1、Section B 一、.Teaching aims and demands:1. Go on learning the present perfect tense.2. Learn how to express big numbers in English.3. Talk about the population in different countries.二、. Important points:1. the numbers with million and billion.2. some useful sentences(1) It says the world has a popul
2、ation of 6.5 billion. (2) It is increasing by 80 million every year.(3) Which country has the largest population? (4) Whats the population of the U.S.A.? Its(5) So it is. (6) The population problem is more serious in developing countries.三、Teaching aids Tape and tape recorder, a small blackboard , s
3、ome pictures.四、.Teaching procedure:Step 1 Review1. Check the homework.2. Let students report the information about Chinas population that they have collected. Lead to 1a. Then the teacher sums up.3. Write down the new words “increase” and “billion” on the Bb. Ask students to master the new word “inc
4、rease” and understand the new word “billion”.Step 2 Presentation1. Listen to 1a and answer the shining questions:(1) Whats the population of the world.(2) Which country has the second largest country?2. Let students skim 1a, find out the numbers in the dialog and make dialogs in pairs according to t
5、he chart and examples in 1b. Finish 1b.3. Let students read 1a and find out the important and difficult points. Write them down on the Bb and encourage students to solve the problems. Give students some proper complements.Step 3 Consolidation1. Let students read 1a again and underline the key words.
6、 Let students change the dialog of 1a into a short passage and try to retell it with the help of the key words.2. Work in pairs. Let students read 1a and act it out. Finish 1a.Step 4 Practice1. First the teacher writes a two-digit number, then adds a new digit to the number each time. Ask students t
7、o read the numbers, correct them properly when they make mistakes, and then sum up how to read and write numbers in English. For example: 22,222,2222,22222222222. Let students read the numbers in 2a. Ask students to express the numbers skillfully with the words “hundred”, “thousand”, “million” and “
8、billion”. Help them when necessary and then check the answers. Finish 2a.3. Let students listen to 2b and finish it by themselves. Check the answers.4. Play a number game.(optional)Step 5 Homework一、根据句意,用所给单词或词组的适当形式填空。little, work well in, difficult, be known as, already1 .Kangkang has _ gone home.
9、2 .The Great Green Wall has _ controlling sandstorms (沙尘暴).3. I have some _ in learning English.4 .He _ a great scientist.5. Some parents in _ developed areas prefer boys to girls.二、句型转换。(每空一词)(5分)6. I have already seen the film. (改为一般疑问句)Have you _ the film _?7. They have brought us very good news.
10、 (改为感叹句)_ _ _ they have brought us!8. Have you ever met each other before? (作否定回答)_, _.9 .Shes never late for school. (改为现在完成时)She _ never _ late for school.10. Ill not go there unless you go with me. (同义句转换)Ill not go there _ you _ go with me.(1.already 2.worked well in 3.difficulties 4.is known as
11、 5 .less 6.seen, yet 7.What good news 8.No, never 9.has, been 10.if, dont )Blackboard design;Which country has the largest population. Section Bhave/has a population ofIt says the world has a population of 6.5 billion.increase by +倍数/百分数 增加了. carry out 执行 carry on doing sth.继续做increase to 增加到(后的具体数字)Whats the population of the U.S.A.?the developed country发达国家296 million.developing country发展中国家So it is.(so+主语+ be /情态动词/ 助动词)Hundred thousand million billion SO he can. So they do.前面有具体数字时,不用加s和 three hundred studentsOf,否则加s和of. hundreds of studentsFeedback:
限制150内