Unit 6 When was it invented？Section A (1a-2d)教案

Unit 6
When was it invented
Section A (1a—2d)
一、教学目标
1. 学生能熟练掌握下列词汇及短语：style, project, pleasure, daily, website, pioneer, list, mention, be used for, with pleasure, think about
2. 掌握重点句型：
I think the TV was invented before the car.
Well, I think the TV was invented after the car.
When was the telephone invented
I think it was invented in 1876.
What are they used for
They’re used for seeing in the dark.
3. 能够听懂日常生活中一些物品的发明时间，发明者和发明用途的文章。
4. 能够用“be(过去式was/were)+动词过去分词”结构来谈论一些发明的历史。
5. 让学生了解各种发明的历史，增强常识了解，激发学生的创造力。
二、教学重点及难点
重点：
1. 掌握本单元出现的词汇、短语及目标语言。
2. “be(过去式was/were)+动词过去分词”结构来谈论一些发明的历史。
难点：
掌握和运用“be(过去式was/were)+动词过去分词”结构来谈论一些发明的历史。
三、教学准备
教师：教学课件；多媒体设备
学生：课前预习
四、教学过程
Task 1
Step 1 Warming-up
Look at the pictures and have a talk.
T: Which one do you think is the most helpful invention in our daily life
S: …
【设计意图】通过图片帮助学生理解invention的含义，引出更多发明名称，为下一步讨论发明作好词汇准备。
Step 2 Pre-listening
Work on 1a
Look at the things and have discussions with their groups. Then number them.
【设计意图】展示图片，引入“发明”的话题，为下面的1b环节做准备。
Step 3 While-listening
Work on 1b
Listen and match the inventions with the years.
【设计意图】让学生围绕中心话题进行听力训练，锻炼了学生的听力能力和抓取关键信息的能力。并结对谈论图画中的物体的发明时间，提高了学生的口语表达能力。
Step 4 Post-listening
Work on 1c
Make conversations using the information in 1c.
【设计意图】1c活动让学生将之前所学到的知识通过口语的方式表达出来，既锻炼了学生的口语，也对所学知识加强了巩固。
Task 2
Step 1 Pre-listening
Look at the pictures and have discussions.
【设计意图】通过让学生对发明物品的时间和用途进行讨论，帮助学生进行2a听力材料中内容的预测。
Step 2 While-listening
Work on 2a&2b
1. Listen and number the inventions.
2. Listen again and complete the chart.
3. Listen 2b again and fill in the blanks.
【设计意图】本环节旨在训练学生的听力技能，体会be made for在真实情景中的应用。
Step 3 Post-listening
Work on 2c
Make conversations using the information in 2a and 2b.
【设计意图】让学生运用be made for结构进行交流，提高其运用目标语言进行口头表达的能力。
Work on 2d
1. Listen and read. Then finish the task.
2. Role-play the conversation.
【设计意图】通过设置题目，让学生获取对话主要内容和一些细节信息，锻炼学生快速获取信息的能力，为下一步的表演对话作铺垫。再通过角色扮演，帮助学生在情境中加深对话题语言的口语模仿。
Language points
1. —Can you help me think of an invention
—With pleasure!
(1) Can you… 意为“你能……吗？”，后接动词原形。其肯定回答一般为 “Sure, I’d love/like to. /With pleasure.”，否定回答常用“Sorry, I can’t…”。
(2) With pleasure! 意为“乐意效劳！”，常用于表示接受或同意某事。
【拓展】My pleasure. 常用作对别人表示感谢时的礼貌回答。相当于“It’s my pleasure. /A pleasure.”。
e.g. —Could you help me with my math
—With pleasure!
2. They are used for seeing in the dark.
be used for doing sth. 意为 “被用来做某事”，与be used to do sth. 同义，表示用途、目的。
e.g. This computer is used to control all the machines.
3. Think about how often it’s used in our daily lives.
think about 意为“考虑，想起”。
【拓展】think of 意为“考虑，记起”；think sth. out 意为“想通，想出”。
e.g. He is thinking about traveling in the summer holidays.
Step 4 Summary
Key words and phrases: style, project, pleasure, daily, website, pioneer, list, mention, be used for, with pleasure, think about
Key sentences:
I think the TV was invented before the car.
Well, I think the TV was invented after the car.
When was the telephone invented
I think it was invented in 1876.
What are they used for
They’re used for seeing in the dark.
Step 5 Homework
1. Recite the conversation in 2d.
2. Choose one of the inventions to describe, including when it was invented, who invented it and what it is used for.
五、板书设计
Unit 6 When was it invented
第1课时 Section A (1a—2d)
Key words and phrases:
style, project, pleasure, daily, website, pioneer, list, mention, be used for, with pleasure, think about
Key sentences:
I think the TV was invented before the car.
Well, I think the TV was invented after the car.
When was the telephone invented
I think it was invented in 1876.
What are they used for
They’re used for seeing in the dark.
PAGE