2. (出示幻灯片，学生完成练习。)

(核对答案。)

1. (听3a录音。听完录音后，让学生总结反意疑问句的构成及其答语。)

T: Boys and girls, listen to 3a. Pay attention to the tag questions. Then sum up the usage of tag questions.

2. (听4录音，完成4。)

T: Let’s enjoy a beautiful song. You can sing together.

(播放4的音乐，学生可边听边跟唱，感受音乐的美妙，愉悦学生的心情。)

Step 4　 Practice 第四步 　练习(时间:10分钟)

1. (出示幻灯片，就画线部分提问。)

T: Boys and girls, let’s do the exercises.

(核对答案。)

2. (师生问答，练习2的句子。学生讨论，完成2。)

T: Hi! S₁, may I ask you some questions?

S₁: Sure.

T: How long is the Great Wall?

S₁: It’s 4,000 miles long.

(板书)

T: How many sides does the Great Pyramid have?

S₁: It has four sides.

T: How long is each side?

S₁: It is 230.4 meters long.

T: How high is it?

S₁: It’s 138 meters high.

(板书)

(然后教师根据周围物体进行有关计量的问答。)

T: How long is your classroom?

S₂:It’s about ten meters long.

T: How high is your classroom?

S₂:It’s four meters high.

T: How wide is your classroom?

S₂:It’s seven meters wide.

(板书)

(教师示范后，让学生根据板书，小组进行练习。)

T: OK, now work in pairs to practice the dialog.

(让学生用黑板上的句子进行问答并完成2中的表格。)

(学生报告结果。)

Step 3　 Consolidation 第三步 　巩固(时间:5分钟)

1. (听1录音把图片排序。)

T: We just talked about the Great Wall, the Emperor Qin’s Terracotta Warriors and the Great Pyramid. Dave and Miss Wang are talking about cultural relics, too. What are they talking about? Listen to 1 and number the pictures.

(核对答案。)

2. (利用七笔小人的游戏复习数词。规则：教师准备若干张写有多位数字的卡片。如：3，154，260。将学生分为男女两组，每组选7位同学代表本组参加游戏。每位同学依次抽一张卡片并用英语读出卡片上的数字。读对一次，老师就在黑板上为本组画一笔。哪个组的小人先画完，哪个组为获胜组。)

T: 　　　 Boys and girls, we talked about the Great Wall, the Great Pyramid and Emperor Qin’s Terracotta Warriors just now. Let’s go on reviewing how to say numbers. Let’s play a game. Here are many number cards. Choose 7 students from your group. Each student chooses one card and then reads the number on it. The group which has the most right answers is the winner.

Ss:　　　 …

开始前　　　　　　　　　　　　　　　　　　 完成后

Step 2　 Presentation 第二步 　呈现(时间:10分钟)

Step 1　 Review 第一步 　复习(时间:15分钟)

1. (师生共同复习本单元学过的名胜古迹。)

T:　 Class, can you remember how many places of interest we’ve learned in this topic?

Ss:Yes. We’ve learned three. They are the Great Wall, the Great Pyramid and Emperor Qin’s

　　 Terracotta Warriors.

T:　 Very good. Who can talk about the Great Wall in detail?

S₁:　　　 The Great Wall of China is one of the greatest wonders of the world. It is about 4,000 miles long. The ancient Chinese began to build some walls around 600 B.C. The first emperor, 　　 Qin Shihuang, joined the old walls together. From then on, people regarded the Great Wall 　　　 as a symbol of the Chinese nation. Every year many people find great pleasure in visiting 　　 the Great Wall.

T: You did a good job.

(学生鼓掌以示奖励。)

T: Who else can go on talking about other places of interest?

S₂: …

(学生继续介绍胡夫金字塔和秦始皇兵马俑。)

录音机/幻灯片/图片/数字卡片

4. Talk about cultural relics and symbolic buildings.