Japantakephotosmetal1
Askandanswer:A:What’sthat
A:What’sitmadeof
A:What’situsedfor
A:Wherewasitmade
Report:Thatisa
It’smadeof
It’susedfor
Itwasmadein
metalSwitzerlandtellustimecamerawatchLead-inDoyouwanttoknowwhenandwhoinvented(发明)them
Unit6Whenwasitinvented
Period1(1a-1c)It’saboutinventions发明
1810trainA:What’sthat
StephensModelB:It’satrain
B:Itwasinventedin1810
B:ItwasinventedbyStephens
A:Whenwasitinvented
A:Whowasitinventedby
A:What’situsedfor
B:It’susedfortraveling
travelAskandanswer:Report:That’satrain…Training-1A:What’sthat
A:Whenwasitinvented
A:Whowasitinventedby
A:What’situsedfor
Askandanswer:cartravel1885Carleplanetravel1907WrightBrothersA:Whatarethey
B:Theyarelightbulbs
A:Whenweretheyinvented
B:Theywereinventedin1878
A:Whataretheyusedfor
B:Theyareusedforgivinglightinthed