学习目标
能够掌握食物味道新单词： crispy, salty, sour, by mistake, chef and sprinkle.了解薯条创造历史。
SectionB: 1a-2c and self-check 1
What inventions can you think of?
inventions
old inventions
electric stuffs
food
transportation
Brain Storm
unit9 period3
How were potato chips invented?