T: Boys and girls, can you send and receive an e-mail? And can you tell others how to do it in English? Show every step to your partner in English. Tell him / her how to send or receive an e-mail. 2. (让学生读1b，按正确的顺序排列已被打乱的发送电子邮件的步骤，让学生熟练掌握其程序。完成1b。) (核对答案。)
Step 4 Practice 第四步 练习(时间:10分钟)
设计游戏，复习本单元语法—宾语补足语，巩固本话题的功能句，完成2a和2b。 1. (通过做“贴尾巴”的游戏，来复习本话题语法内容，强调2a中的重点句型。)
T: Boys and girls, let’s play a game “stick the tails”. Please stick the object complements we call tails to the proper sentences to review the use of object complement. (1)I advise you to study hard to make computer serve us better. (2)Tiny computers inside patients’ smaller, like a village. bodies can keep their hearts not to spend too much time playing games. (3)The Internet is making the world beating normally. (4)Mr. Lee told us (让四个学生帮助写在纸条上被称为“尾巴”的宾语补足语找到它们的“主人”。其他学
生检查他们贴的是否正确。)
2. (组织学生进行“速读”比赛，复习巩固本话题中的功能句。完成2b。) T: Just now, we played a game. Was it interesting? Ss: Yes.
T: OK. We will play another game. Do you like it? Ss: Yes.
T: As we know, popular science is wonderful. We have learned a lot in this topic. And some expressions are useful. Now I will write them down on the small blackboard. Each of you must practice reading them as clearly and quickly as possible. And then I will find out who is “King/Queen of Reading”, who reads them most clearly and quickly. Are you clear? Ss: Yes. T: OK.
(出示小黑板。) All of you must be proud. It shows we have dreamed of exploring space for thousands of years. There is no doubt that computers are very useful in technology and business. T: Here are three sentences. I give you three minutes to practice. Ready? Go! (学生练习速读。最后选出读完三个句子所用时间最短而且读音清楚的学生为King/Queen of Reading。)
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Step 5 Project 第五步 综合探究活动(时间:5分钟)
搜集信息并设计一份内容为“电脑在日常生活和科技中的应用”的墙报，完成3及家庭作业。 1. Design a wall newspaper about the use of computers in daily life and technology. You can collect information by reading texts, newspapers, magazines or search on the Internet. Finish 3. (板书，要求学生掌握。) search 2. Homework: Write an e-mail on the use of computers in daily life and technology to one of your friends. Pay attention to its form and steps. 板书设计： Spaceships are mainly controlled by computers. Section D turn on Turn on your computer and connect to the Internet. connect to Click on that, and a box will appear on your screen. click on
Topic 2 When was it invented?
Section A
The main activities are 1a and 2a. 本课重点活动是1a和2a。 Ⅰ. Teaching aims and demands 教学目标 1. Learn some new words:
metal, toothbrush, ink, recorder 2. Learn some useful sentences: —What’s it made of/from? —It’s made of/from…
3. Learn the simple past passive voice: (1)—When was it developed? —Around 1998.
(2)—Where was it developed? —It was developed in Korea.
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4. Learn how to express hopes and wishes: (1) I wish I could go into space some day. (2) I hope your dream will come true.
5. Talk about new technology and inventions. Ⅱ. Teaching aids 教具
火箭模型/牙刷/墨水/纸/录音机/小黑板/MP3/各种发明的图片/魔盒 Ⅲ. Five-finger Teaching Plan 五指教学方案
Step 1 Review 第一步 复习(时间:6分钟)
师生对话，让学生尽量用被动语态叙述计算机的作用，引出生词rocket并导入新课。
T: Boys and girls, we’ve learned about the importance of computers. Can you tell me something about them?
S1: Computers are used by doctors to find diseases easily. S2: Robots are controlled by computers to do dangerous work. S3: In business, computers are used to place and cancel orders. S4: Spaceships are mainly controlled by computers.
T: Well done! But do you know how the spaceships are sent up from the ground into the space? S4: They are sent up by rockets. (帮助学生回答。) (出示火箭模型，板书并帮助学生理解rocket。) rocket T: Look! This is a model rocket. What’s it made of? What’s it used for? Let’s come to 1a and talk about it.
Step 2 Presentation 第二步 呈现(时间:13分钟)
用具体实物设置情景，师生对话，学习生词和新句型。找出关键词句和目标语言，为交际积累材料。
1. (师生对话，用实物引出生词，学习新句型。) T: (让学生摸一摸火箭模型) What’s it made of? S1: It’s made of “金属”. T: Yes, it’s made of metal. (板书句型及生词，并让学生掌握。)
metal What’s it made of? It’s made of metal. T: Do you know what a rocket is used for? Ss: It’s used for sending spaceships into space. T: Yes, it’s used for sending spaceships or satellites into space. ` ·18·
(板书句型并要求学生掌握，帮助学生理解satellite。) satellite What a rocket is used for? It’s used for sending satellites/spaceships into space. (摸出牙刷。) T: How do you say this in English, S2? S2: Sorry, I don’t know. T: OK, it is a toothbrush. (板书toothbrush，领读并要求学生掌握。) toothbrush
T: (作刷牙的动作。) It’s used for brushing teeth. What’s it made of, S2? S2: It’s made of plastic. T: Very good! You’re right.
(摸出墨水。) What’s this in English, S3? S3: Sorry, I don’t know. T: It’s a bottle of ink. (板书，领读并要求学生掌握。) ink T: Do you know what it is used for? S3: It’s used for writing.
(从魔盒中摸出一张纸，做神秘状。) T: How do you say this in English, S4? S4: It’s a piece of paper.
T: Can you tell me its material? (让其摸一摸，看一看。) S4: Sorry, I can’t.
T: Let me tell you. It is made from wood. (说的时候语速要慢，重音放在from。) (引导学生总结be made of与be made from的区别。板书并解释。) be made of + 材料：表示原材料容易被看出。 be made from + 材料：表示原材料经过化学变化，不易被看出。 2. (让学生不要打开课本，听1a，回答下列问题，听后核对答案。)
T: Don’t open your books. Listen to the tape carefully and try to find out the answers to the questions. (出示小黑板。) (1)Why is Jane unhappy? (2)Who made the model rocket? (3)What a rocket is used for? (核对答案。)
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3. (让学生打开课本，找出疑难句。教师出示小黑板。) I’m not allowed to play computer games. It’s made of metal. It’s used for sending…into… I wish I could go into space some day. (解释此句使用了虚拟语气，在此只要求了解。) I hope your dream will come true. Step 3 Consolidation 第三步 巩固(时间:8分钟)
巩固1a及be made of/from, be used for的用法。完成1b。
1. (让学生打开课本，再听1a录音，学生跟读，感受纯正的语音语调。)
T: Open the books, listen to the tape and read after it. Pay attention to the pronunciation and
intonation.
2. (让学生找出对话中的关键词，教师板书。然后让学生根据关键词两人对话复述1a。) T: Boys and girls, let’s find out the key words together, OK? (板书) Jane→unhappy / not allowed / be bad for Kangkang→a model rocket / be made of metal be used for / satellites or spaceships / learn… from…/ wish/ hope/ come true 3. (让学生认真阅读1b中的例子，然后让他们仿照例子用实物编对话，完成1b。)
T: In 1b, we can see two dialogs. Read them carefully and pay attention to the sentence patterns, “be made of”, “be made from” and “be used for”. Make similar conversations in pairs.
Step 4 Practice 第四步 练习(时间:13分钟)
由一般现在时的被动语态，引出一般过去时的被动语态并加以操练。引出2a的内容，展开任务型活动，让学生掌握目标语言。完成2b。
1. (继续操练be made of/from及be used for的用法。)
T: (老师手指录音机问。) Boys and girls, what’s this in English? Ss: We don’t know. T: It’s a recorder. (板书生词并让学生掌握。)
recorder T: What’s it used for? Ss: It’s used for helping us to improve our English. (引导学生回答。) T: Yes, what is this? (从魔盒里拿出MP3。) Ss: It’s an MP3 player.
T: Yes, it was developed in Korea. It’s more useful than a recorder.
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