单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,When was it invented?,Section B,Tastes,1.Can you tell me five tastes?,2.Which food is sour?,3.Which food is sweet?,4.Which food is bitter?,5.Which food is salty?,6.Which food is hot?,Sour sweet bitter hot salty,orange yogurt,apple banana,tea coffee,salt pizza,pepper onion,sour,sweet,sweet,sweet,crispy,salty,Listen and circle “T”(for true)or“F”(for false).,The potato,chips,were invented by mistake.,They were invented in 1863.,The customer thought the potatoes werent thin enough.,The customer said they werent salty enough.,George wanted to make the customer happy.,The customer was happy in the end.,T F,T F,T F,T F,T F,T F,The history of chips,how potato chips were invented?potato chips by a cook called George Crum.They were invented in .George Crum cut the potatoes really,really,thin,and then cooked them for a long time until they .finally he put lots of salt on them so they were,.,Do you know,were invented,1853,were crispy,really salty,mistake n,错误,make a mistake,犯错误,by mistake,弄错,错误地,He took my book by mistake.,She is often mistaken for the famous actress,potato n,-,pl.potatoes,negro.hero.tomato.potato(,英雄黑人喜欢吃西红柿和土豆,),vt,.,弄错,误解,把,误作为,in the end,指经过许多变化,困难和捉摸不顶的情况才发生,.,at last,往往用于经过一番周折后才到来,往往带有较浓厚 的感情色彩,.,finally,用来引出一系列事物的最后一项内容,.,They talked and talked about where to go and stayed at home in the end.,At last I passed the examination.,I spoke at the meeting finally.,a pen that listens and writes,New invention:,Use:,It can listen to the writer and,write by itself.,Price,:,$50,music candle,activity glasses,temperature cup,Goodbye!,