Unit 9 I like music that I can dance to Period 1
学习目标
知识目标:口头及书面掌握以下句型:
A: When was the telephone invented?
B: I think it was invented in 1876.
A: What are they used for?
B: They’re used for seeing in the dark.
A: Who were they invented by?
B: They were invented by Julie Thompson.
熟练掌握以下词汇: invent，heat，calculator，scoop，adjustable，heel，operate，battery，slipper
技能目标：1.正确运用被动语态谈论重要发明的历史和用途。
2.掌握一般过去时态的被动语态由was/were+过去分词构成。学会单词invent, heat 以及be used for 的用法。
情态态度：通过学习我们周围经常使用的发明物的历史来开阔眼界，丰富自己的阅历，使自己养成勤于思考、善于总结的好习惯。
课前探究
1.预习单词，看音标拼读P9-10单词，写出不会读的单词：____________________________________ 熟读生词，记忆中文意思。
2. 根据自己的兴趣，通过上网，查书籍等形式，查找自己认为最有用的发明资料，拿到课上与同学分享。
3.你知道多少有关这几项发明的情况？
预习交流
1.检查并交流预习情况。可用下面的语言结构交流：
What’s the most useful invention? It’s…
2.观察1a中的发明，你认为这些发明的先后顺序是怎样的？标出序号。用下列句型谈论：
A：I think the calculator was invented before the computer.
B: Well, I think he calculator was invented after the computer.
互助提升
1.观察2a中的图片，快速浏览2a中给出的描述。
2.听2a 的录音，按你听到的顺序标出序号。
3.快速浏览2b表格中的内容，听录音，把三栏的叙述连线。
4.再听一遍录音，选择合适的单词完成对话。
a. Heated b. slippers c. used for d. style e. adjustable f. scooping
Boy: What are hose?
Girl: They’re battery-operated .
Boy: What are they used for?
Girl: They’re seeing in the dark.
Boy: Oh, that’s cool! Who were they invented by?
Girl: Julie Thompson. And look at this ice cream scoop.
Boy: I know what it’s for ! It’s used for out really cold ice cream.
Girl: Right. It was invented by Chelsea Lanmon.
Boy: My favorite are those shoes with heels. You know you can move the heels up and down. They were invented by Jayce Coziar and Jamie Ellsworth.
Girl: And what are they used for?
Boy: Well, you can change the of your shoes. You can make the shoes go from casual to dressy.
跟读，和同伴分角色朗读听力中的对话。
体验成功
Ⅰ用所给动词的适当形式填空。
1.Do you know when the computer ( invent)?
2.When the Great Wall (build)?
3.This machine is used for （make） fresh air.
4.The pencil is used (write) and drawing .
5.Workers are made ( work) for about 12 hours a day in this factory.
Ⅱ按要求改写下列句子。
The helicopter was invented in 1990 (对画线部分提问) __ The helicopter __ ?
Someone turned down the television just now .(改被动语态)
The television down just now.
English is spoken as a second language in many countries.(改为主动语态)
People as a second language in many countries.
The glass is used for keeping water hot.(改主动主动语态)
They the glass keeping water hot.
各小组交换检查练习结果，评出成绩（总分9分）_____，老师对各组成绩汇总，给出评价。
组内讨论错题，老师点评。
