Unit6 SectionB（1a-1e）课件 2023-2024学年人教版英语九年级全册

Unit6 SectionB（1a-1e） 教学目标 【知识目标】 Important words：sour，crispy，salty，customer Important sentences： 1．—Did you know potato chips were invented by mistake？—Wow，I didn't know that.Who invented them? 2．The customer thought the potatoes were not thin enough. 3．Finally he put lots of salt on them so they were salty enough. 【能力目标】 能够通过听、说学习与食物有关的词汇。 【情感目标】 让学生通过阅读理解如何用一般过去时的被动语态描述发明史。 教学难点 重点：重点单词及短文：sour，by mistake，cook，。 难点：学会用一般过去时的被动语态对更广泛的发明进行描述。 Lead-in Life is full of delicious food! How do they taste ? They taste sour. [ˈsauə] How do they taste ? They taste sweet. Different food has different taste. They taste… sour sweet bitter spicy salty crispy 1a sweet crispy salty sour Fill in the blanks with words in the box. sour sweet crispy salty sweet salty ________________________ 1b Write the name of a different food after each word. sour ________________________ crispy _______________________ sweet _______________________ banana candy apple biscuit potato chips potato chips vinegar lemon The History of Potato Chips The story was back in1853.One day,a customer came into the restanrant where Geoge worked, he ordered (订购) a plate of fried(油炸的) potatoes.But he said they were too thick and sent them back to the kitchen.Geoge was angry,so he cut the potatoes really thin,and he cooked them for a long time until they were crispy.And he put lots of salt on them so they were really salty.The customer loved them and told the others，and soon everyone was ordering them. 1. The potato chips were invented by mistake. 2. They were invented in 1863. 3. The customer thought the potatoes weren’t thin enough. 4. The customer said they weren’t salty enough. 5. George wanted to make the customer happy. 6. The customer was happy in the end. LISTEN AND CIRCLE “T” OR “F”. T F T T T T T F F F F F Listen again and complete the sentences. The history of chips _____________ that potato chips were invented by mistakes? Chips _____________ by a chef called George Crum. They were inv