资源简介

(共15张PPT)
Unit 5
Power of Ideas
SA What changes can inventions bring to our lives
2a-2d
Think & summarize
When we describe inventions, what can we talk about
Inventions
Name
Place of origin
原产地
Appearance
Usage & Function
How it works
Advantages
Feelings
What questions can we use to talk about an invention
What is the invention called
Which country is it from /made in
What is it used for /what can it do
How does it work/run
What do you think of it/Why is it useful
Questions
It’s a 3D printer.
What’s this
Let’s watch
What is a 3D printer
Which country is the first 3D printer made in
It is a special printer that can make real objects.
The first 3D printer was invented in USA in 1983.
Some basic information about 3D printers
2a.Tick the things that you think a 3D printer can make.You can add more.
medicine arms and legs
hearts toys
tables shoes
computers houses
chairs food
____________________
small parts for machines
2b. Listen to the conversation and answer the questions.
1. Where did Han Lin go last weekend
2. Why was the 3D printer Han Lin’s favourite
invention
He went to the International Exhibition of Inventions.
Because almost everything
under the sun can be made
by it.
First, the object is ________ on the computer.
Then, a file is __________ by the computer.
And the file is ________ to the 3D printer.
Next, the file is _______ by the 3D printer.
Finally, the object is _________ by building up plastic.
1
2
3
4
5
designed
created
sent
read
produced
read design produce create send
Ella: Hi, Han Lin! Did you go to the International Exhibition of Inventions last weekend
Han Lin: Yes, some amazing inventions were shown from all over the world.
Ella: What invention did you like the most
Han Lin: Oh, the 3D printer was amazing.
Ella: Why
Han Lin: Almost everything under the sun can be made by it.
Ella: Really Like what
Han Lin: Well, all kinds of everyday objects. Toys, chairs, tables, and even houses can all be made by the 3D printer.
Ella: That’s cool!
询问周末是否去了发明展,引出 “inventions” 主题,交代背景
询问对方最喜欢的发明是什么,核心对象聚焦
通过追问喜欢的原因进一步深入话题
追问具体例子,引出日常和医疗用途
Han Lin: Yeah. And in medicine, for example, arms and legs, and even hearts can be created by the 3D printer.
Ella: That’s great! How does it work
Han Lin: Well, first, the object is designed on a computer. Then, a file is created and sent to the 3D printer. The 3D printer reads the file, and after that, the object is produced by building up plastic.
Ella: Is only plastic used
Han Lin: No, other materials can also be used to produce things. It can even make food.
Ella: Oh, really I’d love to try 3D-printed food!
追问原理,引出工作流程
补充追问材料，完善认知
be used to do 被用来做...
Do you know how the 3D printer work
下 课
Thanks!
https://www.21cnjy.com/recruitment/home/fine

展开更多......

收起↑