(共17张PPT)
When was it invented
Unit 6
SectionB 1a-1e
1.她无疑是那家医院最优秀的护士。
2.据说4在中国是个不吉利的数字。
3.在去图书馆的路上我碰巧遇到Amy。
4.我的生日派对今晚八点举行。
My birthday party will take place at 8:00 this evenning.
5.汤姆依然站在门外。
Tom remained standing outside the door.
Revision
Without doubt, she is the best nurse in the hospital.
It is said that four is an unlucky number in China.
I happened to see Amy on my way to the library.
Learning Objectives
By the end of the class, I will be able to:
learn to describe how food can taste;
listen for specific information;
talk about the history of potato chips using passive voice;
introduce the invention of a favorite food.
Life is full of delicious food!
Activity1:Lead in
crispy potato chips
salty duck eggs
sweet ice cream
sour lemons
spicy boiled fish
bitter gourd
What flavour do you like
Words to describe the food
酸的
甜的
苦的
辣的
咸的
脆的
新鲜的
软的
硬的
多汁的
健康的
厚的
薄的
好吃的
sour
sweet
bitter
hot/spicy
salty
crispy
fresh
soft
hard
juicy
healthy
thick
thin
delicious
Activity2: Pre Listening- prediction
What are they talking about
They are talking about potato chips.
cook
customer
George
1. Potato chips were invented by mistake. T F
2. They were invented in 1863. T F
3.The customer thought the potatoes weren’t thin enough. T F
4. The customer said they weren’t salty enough. T F
5. George wanted to make the customer happy. T F
6. The customer was happy in the end. T F
Listen and check whether it is true or false.
1c
Activity 2: Listening
The History of Potato Chips
Do you know how potato chips were invented Potato chips ____________ by a cook called George Crum. They were invented in ____.
George 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 __________.
Listen again. Complete the sentences.
were invented
1853
1d
thin
really salty
crispy
Activity 2: Listening
Conclusion: How much do you know about potato chips
Potato chips ________ by many people.
It ________ that potato chips are more than 150 years old.
Even today potato chips _____ still _______ by most people.
They _____________ by accident in 1953.
The inventor __________ George Crum.
One day, he __________ to serve fried potatoes by a customer.
When the potatoes came, the customer thought they ________ too thick.
The potatoes _________ for a long time until they were crispy.
Some salt _________ on potato chips.
are loved
is said
are
enjoyed
were invented
was called
was asked
were cut
were cooked
is put
Boy 1: Hey, did you know that potato chips were invented by mistake
Boy 2: Really What do you mean
Boy 1: Well, here on the bag it says that they were invented by a cook called George Crum.
Boy 2: When was that
Boy 1: Oh, it was back in 1853.
Boy 2: So, why was it an accident
Boy 1: Well, one day, a customer came into the restaurant where George worked. He ordered a plate of fried potatoes. When the potatoes came, he said they were cut too thick and sent them back to the kitchen.
Boy 2: So what happened
Boy 1: Well, George was angry, so he cut the potatoes really, 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. He thought the customer would hate them.
Boy 2: And
Boy 1: And the customer loved them and asked for more. He told the other customers about them, and soon everyone was ordering thinly cut, crispy, salty potato chips.
Boy 2: And we’re still eating them today. What a cool story!
Activity 4:Post - listening
come into
too thick,
sent back
ordered
angry, cut thin
put salt
cooked, until cripy
loved, asked more
everybody was ordering
Retell
Sample retelling
Lots of foods and drinks have been invented ____ mistake. Of all the accidents, potato chips are the most famous. They were invented by a _____ called George Crum who worked in a ______ in _______. One day, a plate of fried potatoes were sent back to the kitchen because the customer thought they were cut too _____. George was ______ a bad mood so he cut the potatoes really thin and _______ them for a long time ____ they were crispy. And he put a lot of salt on them so they were really ______. He thought the customer would _____ them. But to his surprise, the customer loved the thinly cut, crispy, salty potato chips.
by
cook
restaurant
1853
thick
in
cooked
until
salty
hate
Can you introduce your favorite food to us
When was it invented
How was it invented
Any interesting stories about the invention of the food
It is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may ______ things which are nearly the same. It’s hard to tell who came up with the idea first. Some inventions can also lead to other inventions _______________. So some people ______ whether the inventor came up with the idea himself or herself. They think that the inventor used someone else’s idea to create his or her invention. That is why books or ________ usually ________ more than one inventor when giving information about inventions.
invent, doubt, mention, website, all of sudden
Complete the passage with the correct forms of the words in the box.
invent
Activity 5:Self-check
all of a sudden
doubt
websites
mention
1.偶然地
2.据说
3.最终；最后
4.发生
5.一个名叫George Crum的厨师
7. 点一盘炸土豆
by accident
It’s said that...
in the end
take place
a cook named George Crum
order a plate of fried potato chips
Useful expressions
1.by mistake为介词短语，意为“无意中；错误地”,相当于accidentally。
mistake
1. n. 错误。犯错误
2. v. 弄错; 误解 Eg.你完全误解了我的意思。
mistake ... for ... 错把……当成…Eg. 不要把我误会成我孪生兄弟。
今天早上我无意中错过了校车。
我错拿了你的钢笔。
I missed the school bus by mistake this morning.
I took your pen by mistake.
make a mistake/make mistakes
You mistook my meaning entirely.
Don't mistake me for my twin brother.
2.in the end 最后，终于 (相当于finally 或 at last)
1.他在花园的尽头的那边。
He is down _______________ the garden.
2.最后，我们找到了这座房屋。
______________， we found the house.
at the end of
In the end
at the end of可以指时间，也可指处所，意为“在……尽头，在……结束时”。
by the end常和of相连，用于指时间，意为“到……底(末)为止”
拓展
【学以致用】
