Unit 4 Our WorldThe main activities are 1a and 2a. 本课重点活动是1a和2aⅠ. Teaching aims and demands 教学目标1.（1）Learn some useful words and expressions.ancient, be made up of, stone, weigh, ton, regard, regard … as…① Until the 19th century, it was the tallest building on the earth.② It took about 100 000 people over 20 years to build it. ③ From then on, people regarded the Great Wall as a symbol of the Chinese nation.④ The Great Wall of China is one of the greatest wonders of the world.（2）Learn to read numbers.100 000 读作 one hundred thousand2. Go on learning about measurement.3. Talk about the places of interest.Ⅱ. Teaching aids 教具教学挂图/数字卡片/录音机/多媒体课件Ⅲ. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步 复习（时间：5分钟）(创设情景，激发想象。
多媒体课件，大屏幕上放电影般呈现世界各地城市与乡村的风光图片和奇妙而独特的动植物图片)T:Good morning, boys and girls!Ss:Good morning, Mr./Mrs. …T:Sit down, please.Ss:Thank you.(非洲国家——埃及的美丽风光出现在同学们眼前,同时播放著名的阿拉伯歌手演唱的音乐导入新课)T:Are you familiar with this song?Ss:Yes.T:Do you know who sings this song? What country does he come from?Ss:Yes, …, he comes from Egypt.T: Right. Today we’ll learn the world’s greatest wonder — the Great Pyramid in Egypt and the Great Wall in China. Please look at the pictures.Step 2 Presentation 第二步 呈现（时间：10分钟）(采用对比的方法，把中国和埃及的图片进行对比，从金字塔与长城的比较入手，让学生分组阅读。
)T:Are these pictures beautiful?Ss:Yes, they are.T:（教师指着图片This is the Great Pyramid. And what’s this?Ss:…(呈现图片) (在这一过程，教师在黑板上呈现关键词)T:Students of this half are Group A. The other half are Group B. Now Group A read the Great Pyramid. Group B read the Great Wall.(学生阅读时，教师在黑板上呈现下表)Group AWhich is the largest of the pyramids?Group BHow long is the Great Wall?T:OK. Group A, could you answer the question here?SGA:The Great Pyramid.T:Group B, could you answer your own question?SGB:4 000 miles long.Step 3 Consolidation 第三步 巩固（时间：15分钟）1.（设置第一项任务:快速阅读。
Task 1: Fast reading. Each group read your own passage and then fill in the charts below.You can do it like this:S1:Who build the Great Pyramid?S2:It’s Khufu. He ordered his men to build it… T:Clear?Ss:…T:OK. Work in pairs, one asks and the other answers.A Brief Introduction of The Great PyramidWhoWhenWhereWhyHow long LongHighA Brief Introduction of The Great WallWhoWhenWhereLong2.（设置第二项任务:听,然后精读,理解关键词)T：Listen to the tape carefully, them read it and wnderstand the key words.(让学生认真听磁带1a,2a，并观察大屏幕展示的第二步的网络图。
)T: OK, stop. Which group wants to tell me something about the Great Pyramid and the Great Wall? You may use the key words here.3.（设置第三项任务，根据网络图中关键词复述Group A:The Great PyramidThe Great Pyramid is in Egypt. The king Khufu ordered his men to build it as his tomb in 2560 B.C. It is one of the “seven wonders”. It took about 100 000 people over 20 years to build it. The building is made up of two million stones. It has four sides and each side is 230.4 meters long and 138 meters high …Group B:The Great WallThe Great Wall is one of the greatest wonders in the world. It’s about 4 000 miles long. The ancient Chinese began to build some walls from 600 B.C. From then on, people regarded the Great Wall as a symbol of the Chinese nation.Task 4: Make cardsPlease circle all the numbers in each passage and make a card like this:(教师拿出一张事先已经做好的数字卡片，并读数。
)100 000读作：one hundred thousand(学生开始制作卡片)(两分钟之后)T:Have you finished it?Ss:Yes.T:Please read the cards to your classmates. Then check who reads correctly.(教师巡视教室，帮助有困难的同学)T:OK, stop. Here are some cards, too. Can you read it? Now, let’s play a game.(将班上学生分成两组，开始玩七笔小人的游戏游戏规则：两组学生各推荐七名同学上讲台抽取数字卡片并认读，教师和学生进行评判，错一处完成一笔，谁最先完成绞刑架上的七笔小人谁输)见图： Step 4 Practice 第四步 练习 （时间：10分钟）(将学生们分成四组，分别介绍北京古城墙、埃及金字塔、中国长城、西安秦始皇兵马俑)(假如有一群游客要到这些地方去旅游，你作为导游，如何向来自各地的客人介绍这些名胜古迹呢？)T:Suppose you are a guide. Please say something about these places that the visitor will see. OK?(每个小组派一个代表，到讲台前进行表演。
)T:Each group has a chance. Are you ready? Let’s begin.For example:The Great Wall is one of the greatest wonders in the world. It’s about 4 000 miles long. The ancient Chinese began to build some walls around 600 B.C. From then on, people regarded the Great Wall as a symbol of the Chinese nation.Step 5 Project 第五步 综合探究活动（时间:5分钟）(将你们组的解说词整理好，并相互交流朗读,看谁讲解得最好)T: Work in pairs, compare who is the best.Homework:给你的朋友写一封信，谈论一下你所参观的名胜古迹For example：You can begin like this:Dear Mike,I saw … last week. They are one of the greatest wonders in the world …Yours,Jim。