文档介绍：Unit 6
Section B
Period 1 (1a — 1e)
Review
Translate the phrases.
spread to other countries
by accident
It is said …
over an open fire
fall into the water
take place
without doubt
流传到其它国家
偶然;意外地
据说…
在户外的火上
掉入水中;落入水中
发生;出现
毫无疑问;的确
crispy
Describe how the food tastes.
sour
sweet
1c Listen and circle T for true or F for false.
1. Potato chips were invented by mistake.
2. They were invented in 1863.
3. The customer thought the potatoes
were not thin enough.
4. The customer said they were not salty
enough.
5. e wanted to make the customer
happy.
6. The customer was happy in the end.
T F
T F
T F
T F
T F
T F
The history of potato chips
Did you know how potato chips were invented? Potato chips ________________ by a cook called e Crum. They were invented in ______. e Crum cut the potatoes really, really ______ and then cooked them for a long time until they were ___________. Finally he put lots of salt on them so they were _____________.
were invented
1853
thin
crispy
1d Listen again. Complete the sentences.
really salty
Make a conversation about the invention of potato chips.
Pair Work
1. by mistake 错误地
I took his backpack by mistake.
我错拿了他的书包。
He put salt in her cup of tea by mistake.
他错把盐放进她的茶里。
Language points
by mistake与by accident
1) by mistake意为“错误地”
I took her umbrella by mistake last night
because they are the same style.
昨晚我错拿了她的雨伞,因为它们的样式一样。
2) by accident意为“偶然地;意外地”
The idea came to him by accident.
很偶然地他想到了这个主意。
知识链接