unit 9 When was it invented section B.ppt

Unit 9 When was it invented?Section B南昌十九中南昌十九中 邬乐秀邬乐秀Revision:What do you think is the most helpful invention?If you are alone on an island,what invention would you most like to have?What do you think of the following things?sweet crispy salty sour sweetsweetsoursoursweetsweetsweetsweetsoursweetsweetsweetcrispysaltysweetsweetbitterbittersoursoursweetsweetsaltysaltysweetsweetSweet crispy salty sour Potato chipssourlemonIce creamsweetteasweetsaltyHow many do you remember?sweet:crispy:salty:sour:applebananacakehoneyorange juicepotato chipssaladlettuceFrench friespizza popcorngrapelemongrapeKFCListen and circle “T”(for true)or“F”(for false).Listen and circle “T”(for true)or“F”(for false).1.The potato chips were invented by mistake.2.They were invented in 1863.3.The customer thought the potatoes werent thin enough.4.The customer said they werent salty enough.5.George wanted to make the customer happy.6.The customer was happy in the end.T FT FT FT FT FT FT FT FT FT FT FT F1.Why did Chef invent potato chips?2.How did he cook them?3.Do you think he cook them carefully?Why?By mistake.First,he cut them really thin.Then,he cooked them for a long time until they were crispy.At last,he sprinkle lots of salt on them.No,because he was in a bad mood.The history of chips that potato chips were invented by mistake?Chips _ by a chef called George Crum.They were invented in .George Crum cooked them for a long time until they .And he sprinkled lots of salt on them so they were .Did you knowwere1853were crispyreally saltyinvented