SectionBSectionB(3a-4b)1A:Whatisthis
B:Itisalightbulb
A:Whowasitinventedby
B:ItwasinventedbyEdsion
A:Whatisitusedfor
B:Itisusedforgivinglight
A:Doyouthinkitishelpful
B:Yes,Ithinkso
BecauseIalwaysdohomeworkandreadbooksintheeveningbyitslight
A:Whatisthis
B:Itisalightbulb
A:Whowasitinventedby
B:ItwasinventedbyEdsion
A:Whatisitusedfor
B:Itisusedforgivinglight
A:Doyouthinkitishelpful
B:Yes,Ithinkso
BecauseIalwaysdohomeworkandreadbooksintheeveningbyitslight
Warm-upandRevision2A:Whatisthis
B:Itisanalarmclock
A:Whatisitusedfor
B:Itisusedforwakingpeopleupinthemorning
A:Doyouthinkitisannoying
B:Sometimes,whenIwanttogoonsleeping
A:Whatisthis
B:Itisanalarmclock
A:Whatisitusedfor
B:Itisusedforwakingpeopleupinthemorning
A:Doyouthinkitisannoying
B:Sometimes,whenIwanttogoonsleeping
3Reading(3a:P72)What’st