Unit 6When was it invented?Section B 1a-1eKarl Bene.When were they invented?They were invented in …(1927)Who were they invented by?They were invented by…(Bell)How were they invented?They were invented by accident./ by mistake.PracticingWhen was the … invented?I think it was invented in .... Make conversations about everyday things, using the structures.New wordscrispyadj. 脆的；酥脆的souradj. 酸的saltyadj. 咸的Listening笔录要点：根据你听到的内容，填写下面表格中所缺的单词，每空限填一词。cook1853thincrispy salty1. Potato chips were invented by mistake. 2. They were invented in 1863. 3. The customer thought the potatoes were not thin enough.Read the conversation and circle T for true or F or false.ReadingT FT FT F4. The customer said they were not salty enough.5. George wanted to make the customer happy.6. The custom was happy in the end. T FT F T Fn. 顾客1. Who invented potato chips? They were invented by a co |
