Revision:Electronicappliances43152black-and-whiteTVColorTVLCDscreenTVOLEDscreenTVTask2
Lead-in:Whichisbetter
1234M7Unit1Reading:TheevolutionofvideoandsounddevicesHeadings/subtitlesQ1:Howisthepassageorganized
_______A
byparagraphsB
inorderoftimeC
byconceptsD
byheadings/subtitlesTask3
Readingstrategy
Q2:What’sthefunctionofheadings
Headingsappearbeforeeachsectionofatext
Theycanshowyouhowatextisorganizedandgiveanideaastothecontentsofeachsection
DConclusion:SaveyourtimeandeffortTask4
Scanning:1
WhodevelopedthesystemusedformostearlyTVbroadcasts
JoneLogieBaird
Whomadethefirstrecordingofahumanvoice
ThomasEdison
Whatweredevelopedbythelate1960s
Portablecassetteplayersandvideorecorders
Skimming:Structureofthepassage
TVEarlyhistoryofTVThemodernage:satelliteTV19251928(Thepassageisorgani