(共21张PPT)
Unit 6 When was it invented
Period 4 Section B （1a-1e）
（人教版）九年级
01
Learning objectives
Content
02
Lead-in
03
While-listening
05
06
Pre-listening
07
Post-listening
04
Summary
08
Homework
Assessment
Learning objectives
Learn some core words and expressions of the conversations;
2. Retell the invention of potato chips.
Lead -in
How many basic tastes are there
bitter
hot
Presentation
What does it taste
It tastes…
sweet
salty
bitter
spicy
sour
Presentation
What does it taste
It tastes…
sweet
bitter
salty
sweet
crispy
1a
The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word.
______ ______ ______ ______
______ ______ ______ ________
crispy
sour
salty
sweet
cold
delicious
salty
fresh
sweet crispy salty sour
1b Write the name of a different food after each word.
sweet ____________________________
crispy ____________________________
salty ____________________________
sour ____________________________
banana
apple
Beijing Duck
potato chips
grape
candy
cracker（薄脆饼干）
cookie
salt
salted fish
lemon
vinegar（醋）
Listening
1c Listen and circle T for true or F for false.
1. Potato chips were invented by mistake. T F
2. They were invented in 1863. T F
3. The customer thought the potatoes were not thin
enough. T F
4. The customer said they were not salty enough. T F
5. George wanted to make the customer happy. T F
6.The customer was happy in the end. T F
What are they talking about
错误地
不够薄
在最后
= at last= finally
1d Listen again. Complete the sentences.
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 _________.
were invented
1853
thin
crispy
really salty
=named叫做
持续一段时间
放了很多盐
exciting
A: Hey, did you know that potato chips were invented by mistake
B：Really What do you mean
A：Well, here on the bag it says that they were invented by a cook called George Crum.
B: When was that
A: Oh, it was back in 1853.
B: So, why was it an accident
A: 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.
exciting
B: So what happened
A: Well, George was angry, so he cut 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.
B: And
A: 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.
B: And we're still eating them today. What a cool story!
exciting
Potato chips were invented by mistake. They were invented by a cook called George Crum. It was back in 1853.
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.
George was angry, so he cut 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. 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. What a cool story!
exciting
Potato chips were invented _____ mistake. They were invented by a cook _______ George Crum. It was back in 1853.
One day, ______ customer came into the restaurant where George worked. He _______ (order) a plate of fried potatoes. ______ the potatoes came, he said they were cut _____ thick and sent them back to the kitchen.
George was _____, so he cut potatoes really, really _____, and he cooked them ____ a long time until they were crispy. And he put lots of _____ on them so they were really _____. He thought the customer would _____ them. And the customer loved them and _____ _____more. He told the other customers about them, and soon everyone was ordering thinly cut, crispy, salty potato chips. _______ a cool story!
by
a
called
ordered
When
too
angry
thin
for
salt
salty
hate
asked for
What
1e
A: Did you know potato chips were invented by mistake
B: Wow, I didn’t know that. Who invented them
A: It was invented by a cook called Geroge Crum.
……
Make a conversation about the invention of potato chips. Use the information in 1c and 1d.
Post-listening
make a mistake 犯错误
by mistake错误地
mistake… for…错把…当….
salty 咸 的
salt----salty
名词+后缀-y构成的形容词：
luck—lucky health—healthy wind—windy rain—rainy
taste — tasty ice —icy snow —snowy sun—sunny
Exercises
in the end在最后=at last=finally
at the end of… 在…的最后/尽头（可以指时间，也可以指东西,事情）
by the end of…“到……底(末)为止”,用完成时
（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.
（3）到战争结束时, 这个小铺子已经变成有728个工人的大厂了。
_____________________, the small work-shop had become a large factory with 728 workers.
at the end of
In the end
By the end of the war
Summary
1.薯片
2.错误地
3.把…错认成
4.犯错误
5.不够薄
6.太厚
7.最后
8.一个叫…的厨师
9.把很多盐倒上面
potato chips
by mistake
mistake…for
make mistakes
not thin enough
too thick
in the end=at last
a cook called George Crum
put lots of salt on them
Homework
Recite the useful expressions.
Listen and repeat 1c,1d.
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