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Leaning aims
1.To know how to introduce an invention with four parts.
能介绍一项发明（概述、历史、作用，我的感受）
2. To give comments to other groups’ reports and write down some good expressions.
能对同伴进行恰当的评价,并记录好词好句.
Interview in pairs
1.What is your invention?
2.Who invented it and when?
3.What can people use it for?
4.What do you think of this invention?
Introduction
The history
The uses
My opinion
Par.1
Introduction
Par.2
The history
Par.3
The uses
Par.4
My opinion
Group work
Introduce an invention in four parts.
(introduction, history, use, opinion)
S1 and S2 provide good sentences for group.
S3 write the report (on worksheet).
S4 show the report in the class with the
picture.