(共47张PPT)
Unit 6
When was it invented
Section B 1a--1e
Learning goals
1. To learn some words to describe how food can taste
crispy, sour, sweet, salty
2. To listen for specific information
3. To talk about the history of potato chips, using passive voice
Did you know potato chips were
invented by mistake
What kind of snacks do you like to eat
How do they tastes
Can you describe them
Which taste do you like best
What (kind of food) can you see in the pictures
How about its taste Is it good Is it salty/ sweet/ sour/ crispy Do you like it
adj. 咸的
adj. 酸的；有酸味的
adj. 脆的；酥脆的
ice-cream
sweet, cool and delicious!
Warming up
How do the bread and snack taste
Can you think of any other flavor (n.味)
What are the four basic kinds of tastes
sour
sweet
bitter
hot
They are crispy（脆的）.
potato chips（薯片）
biscuits （饼干）
How does the food taste
Presentation
lemons 柠檬
yogurt酸奶
They are sour（酸的.
watermelon（西瓜）
cake 蛋糕
They are sweet（甜的）.
lazi chicken 辣子鸡
hot pot火锅
They are hot (辣的).
Different food has different taste(味道).
不可数名词
They are salty (咸的).
salted eggs 盐蛋
bitter melon苦瓜
coffee咖啡
It tastes bitter.
['b t ]
苦的
crispy / hard
They taste crispy and hard.
sweet / soft
pickled vegetable
['p k( )ld] 腌菜
What’s this /What are these
It’s a/an…..They’re…..
How does it taste /How do they taste
It’s/They’re…….
Can you think of some fruit which is sweet / sour What food is crispy / salty
Sweet food
Salty food
Sour food
crisp food
1a
The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word.
sweet crispy salty sour
_______ _______ ____ _______
_______ _______ ____ _______
crispy
salty
sour
sweet
salty
adj. 脆的；
酥脆的
adj. 咸的
adj. 酸的
Pre-listening
Different food has different taste.
They taste…
sour
sweet
bitter
spicy
salty
crispy
sweet ____________________________
crispy ____________________________
salty ____________________________
sour ____________________________
Write the name of a different food after each word.
banana
apple
Beijing Duck
potato chips
grape
candy
cracker
cookie
salt
salted fish
lemon
1b
Pre-listening
First what are needed
The potatoes are cut into slices.
The slices are cooked in the pan for a
long time until they were crispy.
The pepper and salt are sprinkled(撒，洒).
.
potato chips
Who were potato chips invented by
When were potato chips invented
Do you know how to make potato chips
A lot of salt are put on them.
They should be cut really thin.
Lead in
Pre-listening
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
1c
n. 顾客
1853
thin
angry
While-listening
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
1d
While-listening
Listen again and fill in the card.
Who invented:__________
When invented :__________
How invented :__________
Process:_______________________________________________________________________________________________________________________
George Crum
1853
by mistake
cut the potatoes really, really thin
cooked them for a long time until they were crispy
put lots of salt on them so they were really salty
Listen again and complete.
Boy 1:Hey,did you know that potato chips were invented __________
Boy 2: Really What do you mean
Boy 1: Well, here on the bag it says that they were invented
_______________ George Crum.
Boy 2: When was that
Boy 1: Oh, it was____________ .
Boy 2: So, why was it ____________
Boy 1: Well, one day a customer came in the restaurant where George worked.He ordered __________________ .When the potato came, he said they were cut __________ and sent them back to the kitchen.
by mistake
by a cook called
back in 1853
an accident
a plate of fried potatoes
too thick
追溯到1853年
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___________________ . And he________________ them so they were really salty . He thought the customer would hate them.
Boy 2: And
Boy 1: And the customer loved them and ________________ . He told the other customers about them, and soon everyone was ordering thinly-cut, ____________potato chips.
Boy 2: And we're still eating them today. What a cool story!
Boy 1: Yeah.
until they were crispy
put lots of salt on
asked for more
crispy, salty
Listen again and discuss the questions.
1. Why was it a mistake What did the cook do with the potatoes then
2. How can you make food crispy/ salty
3. What can we learn from the story Do you want to be an inventor
Listen and repeat.
Post-listening
Who
When
Do you know potato chips
were invented
They were invented by a
______called George Crum
in .
by mistake
cook
1853
1
Retell the story
2
One day a customer _______a plate of fried potatoes. When they came ,he said they________ too thick and sent them back to the kitchen.
ordered
were cut
What happened
3
What happened
George was so angry that he cut the potatoes really really ,and cooked them for a long time until they were . Then he put lots of salt on them, so it tasted . He thought the customer would hate them.
thin
crispy
salty
4
However, the customer them and . And we’re still
eating them today.
loved
asked for more
What happened
Make a conversation about the invention of potato chips. Use the information in 1c and 1d.
A: Did you know potato chips were invented by mistake
B: Wow, I didn’t know that. Who invented them
A: …
Did you know potato chips were invented by mistake
Wow, I didn’t know that. Who invented them
It’s said that they were invented by a cook called George Crum.
When was that
Oh, it was back in 1853.
Why was it an accident
One day, a customer ordered a plate of fried potatoes. George cooked them for him. When the potatoes came, he said they were cut too thick and sent them back to the kitchen.
So what happened
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.
And then
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.
Do you know how sandwich was invented
It is said the sandwich was invented in England in the 18th century by John Montagu, 4th Earl of Sandwich.
He asked his servants to prepare a chunk (大块) of meat between two slices of bread, so that he could carry on gambling without stopping to eat.
拓展阅读
Discussion
What kinds of delicious food does your hometown have
Have you ever eaten hot pot
Hot pot is a feature (特色）food of Chongqing. When the Chongqing natives get together with their friends, most of them would like to choose hot pot as their dinner. Hot pot is famous for its spicy and hot （麻辣）， If you are adventurous （有冒险精神）enough, you can cook anything with hot pot .
Love food, Love hometown, Love life!
爱美食，爱家乡，爱生活！
1.by mistake为介词短语，意为“无意中；错误地”,
相当于accidentally。
例句：
I missed the school bus by mistake this morning.
今天早上我无意中错过了校车。
I took your pen by mistake. 我错拿了你的钢笔。
Language Points
【拓展】
mistake还可以构成短语：
make a mistake/make mistakes犯错误；
mistake…for… 把……错认成……。例句：
Don’t make mistakes any more. 别再出错了。
I mistook her for our English teacher.
我把她错认成我们的英语老师了。
2.The customer thought the potatoes were not
thin enough. 顾客认为土豆不够薄。
单词enough修饰名词时，不需要倒装.
如: 我有足够的钱。
餐厅里的食物不太够。
There isn’t enough food in the dinning hall.
其修饰形容词、副词要倒装。
He wrote carefully enough to get the award of the
competition.
I have enough money.
enough常可以和词组so-that，too-to转换。
如：他跑得不够快，赶不上其他人了。
用enough
He didn’t run fast enough to catch up with the others.
用so-that
He ran so slowly that he couldn’t catch up with the others.
用too-to
He ran too slowly to catch up with the others.
3.The customer was happy in the end.
顾客最终高兴了。
(1) in the end 后来，最后，终于
at the end of ... 在……末
by the end of ... 到……末为止
如：①这个月月末我们将会开个会。
At the end of this month we’ll have a meeting.
②到去年末为止我们已经做了十架飞机了。
By the end of last year we’ve made ten planes.
(2) in the end 用一个单词表达可以是finally，用一个短语表达可以用at last 。
如：最后他赢了。
He won in the end.
He won finally.
He won at last.
Ⅰ. 用所给词的正确形式填空。
1. The TV ____________ (invent) around 1927.
2. They are used for _______ (see) in the park.
3. This kite _________ (make) by Uncle Wang.
4. Tea ______________ (discover) a long time ago.
5. Our classroom _________________ (should clean) every day.
was invented
seeing
was made
was discovered
should be cleaned
Exercises
4.薯条是一个名Crum的厨师发明的。
The potato chips_____ _______ by a cook _______Crum.
5. 昨天这个厨师往鱼上面撒了许多盐。
The_____ ______lots of salt _______ the fish yesterday.
called
cook put
were invented
on
Ⅱ. 翻译句子。
1.顾客最后终于高兴了。
The customer was happy ________________.
2.这个顾客说这个薯条不够脆。
The customer said that the potato chips weren’t ____________.
3.乔治想让顾客高兴。
George wanted _______________the customer ____________.
in the end
crispy enough
happy
to make
2. 薯片是一个名叫乔治·克拉姆的厨师发明的。
Potato chips _______ _______ _______ a cook _______ George Crum.
3. 而且他在它们上面放了很多盐。
And he _______ lots of salt _______ them.
Ⅲ. 完成句子。
1. 薯片是由于失误而被发明的。
Potato chips ______ ______ ______ ______.
were
invented
by
mistake
were
invented
by
called
put
on
根据句意填入合适的形容词。
Candy is ______, salt is ______, vinegar (醋) is _____, and potato chips are _____.
IV. 翻译下面的句子。
那个厨师错把糖放进了汤里。
The cook put sugar into the soup by mistake.
sweet
salty
sour
crispy
If we are good at observing and thinking,everyone can be inventors in our lives.
如果我们善于观察，勤于思考，
每个人都能成为生活中的发明家。
1.Go over the history of chips in 1a & 1d and write a short essay about it.
2.Look for the invention of tea by the Internet or reading the books. Then copy the information on paper.
3. Preview the new words and expressions in SectionB2a-2e.
4. Preview the passage Do You Know When Basketball Was Invented on page 46.
Homework
