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《Warming up、Pre-reading、Reading、Comprehending》新课标PPT课件优质课下载
and
his Apple
A huge computer
PC (personal computer )
A laptop
PDA (personal digital assistant)
Who am I?
Skimming (5mins)
Finish the following timeline
calculating machine
analytical machine
size
brainpower
1936
as large as
1960s
connected to
offices
homes
Scanning (10minutes)
Underline the useful expressions
Paragraph 1
①changed quite a lot
②simplify difficult sums
③took nearly two hundred years