Unit 6 When was it invented? Section B (1a—1e) (第3课时）课件24张PPT

Unit 6 When was it invented？
Section B(1a-1e)
第3课时
2020年秋人教新目标英语九年级上册精品课件
学 习 目 标
学会运用描述食物味道的单词：crispy,sour,sweet,salty；
1
3
学会用被动语态谈论薯条的发明历史。
通过听说训练，了解薯条的发明历史；
2
What are the four basic kinds of tastes?
sour
sweet
bitter
salty
课 堂 导 入
potato chips
salty
sweet
ice-cream
salted duck egg
salty
lemons
sour
Can you name some food that are associated with the four tastes?
The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word.
1a
______ ______ ______ ______
______ ______ ______ ________
crispy
sour
salty
sweet
cold
delicious
sweet crispy salty sour
salty
adj. 脆的；酥脆的
adj. 酸的
adj. 咸的
fresh
sweet ____________________________
crispy ____________________________
salty ____________________________
sour ____________________________
Write the name of a different food after each word.
banana
apple
Beijing Duck
potato chips
1b
grape
candy
cracker
cookie
salt
salted fish
lemon
Look and guess:
What are they talking about?
Where does the story happen?
1. Potato chips were invented by mistake.
2. They were invented in 1863.
3. The customer thought the potatoes were not thin enough.
Read the sentences, what are they talking about? Listen and circle T for true or F or false.
1c
T F
T F
T F
n. 顾客
Listening
4. The customer said they were not salty enough.
5. George wanted to make the customer happy.
6. The custom was happy in the end.
T F
T F
T F
What are needed?
The potatoes are cut into slices.
The slices are cooked in the pan.
The pepper and tomatoes are sprinkled.
potato chips
Who were potato chips invented by?
When were potato chips invented?
George Crum
chef
1. Who invented potato chips?
They were invented by a cook called George Crum.
2. When were they invented?
In 1853.
Listen and answer the questions.
3. What did the custom order at the restaurant?
He ordered a plate of fried potatoes.
5. How did George cook the potatoes then?
He cut the potatoes really, really thin and cooked them for a long time until they were crispy. And he put lots of salt on them so they were really salty.
4. What did the custom think of the potato chips George cooked at first?
He thought they were cut too thick.
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 ______.
Listen again. Complete the sentences.
were invented
1853
1d
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 ___________.
thin
really salty
crispy
Listen to the tape again and pay attention to Passive voice (past tense).
1. Read the dialogue aloud for a few minutes by yourself;
2. Role play in groups;
3. Role play in front of the class.
Role-play
1e
We’ll see which group does the best.
根据句意及所给首字母提示，补全句中所缺单词。
1. Laura added too much salt to the soup.
Now it tastes too s .
2. The potato chips are thin and c .
Please have a try.
3. Oranges taste sweet and a bit s and
they are full of vitamin C.
4. The main purpose of the advertisement is
making c spend money.
alty
rispy
our
ustomers
课 堂 达 标
1. Preview the new words and expressions.
2. Preview the passage Do You Know
When Basketball Was Invented on
page 46.
Homework
Thank you !
谢谢
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