初中Section A教学课件ppt

这是一份初中Section A教学课件ppt，共31页。PPT课件主要包含了In 1893，were，broken，was，stolen，clock，bicycle等内容，欢迎下载使用。
Learning Objectives
By the end f the class, yu will be able t:
inventin: a thing r an idea that hasn’t been created befre
air cnditiner
______ shes with special heels
______ shes with lights
______ ht ice-cream scp, runs n electricity
in the dark
be used fr (被用来做) + 动词ing形式
The zipper.
Yes, it is.
Because it’s used widely in ur daily lives. It can be seen n dresses, trusers, shes, bags … almst everywhere.
Small inventins that changed the wrld.
N, it wasn’t.
Arund 1917.
Think abut hw ften it’s used in ur daily lives.
Yu can see zippers n dresses, trusers, shes, bags … almst everywhere!
Hey Ry, the subject fr my schl prject is “Small inventins that changed the wrld”.
With pleasure!
The zipper?
Well, yu d seem t have a pint ...
Can yu help me think f an inventin?
Let me think … hmm ... I knw!
The zipper!
Is it really such a great inventin?
I thught abut it because I saw a website last week.
The pineers f different inventins were listed there.
Fr example, it mentined that the zipper was invented by Whitcmb Judsn in 1893.
But at that time, it wasn’t used widely.
S when did it becme ppular?
have a pint: 指某人的说法或者想法“有道理”。
d: 在肯定句和祈使句当中，在谓语动词前添加助动 词d常用来表示强调。
I d hpe yu can cme t my party.
Culd yu find sme cmmn pints amng these sentences?
一般过去时中的被动语态：was/were + dne
The windws ______ ________ (break) by Jack yesterday.
Hw much mney ______ _________ (steal) last week?
Inventins are everywhere!
In the past few thusand years, human beings have never stpped inventing!
tilet paper
funtain pen(圆珠笔)
sticky nte(便签)
Find ut infrmatin abut sme inventins yu wuld like t knw mre abut and cmplete the chart.