Unit 6 When was it invented Section B 1a-1d 课件＋音频(共20张PPT) 人教版英语九年级全册

(共20张PPT)
Unit 6
When was it invented？
Section B 1A-1D
学习目标
Key words & phrases:
crispy, salty, sour, by mistake, customer
Key sentences:
1.—Did you know potato chips were
invented by mistake
—Wow, I didn’t know that.
Who invented them
What food do you like to eat Why
Lead-in: Free talk
Pre-listening: Look and say
oranges
bananas
salt
I like oranges, because they are sour.
I like bananas, because they are sweet.
I like salted food,
because it’s salty.
salt---salty
n.+y---adj.
eg:
rainy; windy; cloudy; healthy; lucky; sleepy...
Pre-listening: Look and say
hot-pot
coffee
I like hot-pot, because it’s spicy.
I don’t like coffee, because it’s bitter.
1a
sweet crispy salty sour
salty
sour
sweet
salty
How do these foods taste Some pictures have more than one word.
sweet ____________________________
crispy ____________________________
salty ____________________________
sour ____________________________
Write the name of a different food after each word.
banana
Beijing Duck
potato chips
grape
candy
biscuit
cookie
salty egg
lemon
1b
strawberry
salt
yogurt
Do you know how potato chips were invented
Do you like potato chips
Pre-listening
While-listening
1. 注意听前读题，划关键词
2. 错误的进行修改
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
Listen and circle T for true or F for false.
1c
1853
cut too thick(厚的)
was angry
What are needed
The potatoes are cut into slices.
The slices are cooked in the pan.
The pepper and tomatoes are sprinkled.
Who were potato chips invented by
When were potato chips invented
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
crispy
really salty
Pair work
Make a conversation about the invention of potato chips. Use the information in 1c and 1d.
1e
Some examples
Food inventor /
Potato chips George Crum Indian(印第安人);
live(d) in America
Luosifen Liuzhou people live(d) in Guangxi Province
Milk tea Mongols(蒙古人) were good at shooting and riding horses
What was the result
The customer them and .
loved
asked for more
Retell the story
Gowls
1.Food is a way to enjoy life.美食是一种享受生活的方式。
2.People are iron,food is steel and one meal is not enough.人是铁，饭是钢，一顿不吃饿的慌。
3.Only when you are full can you have the energy to study.只有吃饱了才有精力学习。
4.Eat all over China!吃遍全中国！
Good Sentences
Summary
1.Key vocabulary:
crispy, salty, sour, by mistake, customer
—Did you know potato chips were invented by mistake
—Wow, I didn’t know that. Who invented them
2.
The History of Potato Chips
when, who, how...
1. Annie ______ to the party. She had a wonderful time with us.
A. invites B. is invited
C. was invited D. has invited
2. Many houses ______ in the earthquake of April 20, 2013 in Ya’an.
A. is destroyed B. are destroyed
C was destroyed D. were destroyed
3. — “Frog”， Mo Yan's latest novel, please!
— Sorry, it ________ just now. But it will come out again soon.
A. sold out B. is sold out
C. has sold out D. was sold out
C
D
D
Review
4. 一Who designed this game 一It _______ by Tom in 1999.
A. is designed B. designs
C. was designed D. designed
5. —Do you know Earth Day
—Sure. It _______ in 1970 to tell us to protect our planet.
A. sets up B. set up
C. is set up D. was set up
6. Lots of food and water ______ Ya’an, Sichuan Province immediately after the earthquake happened.
A. were sent B. are sent C. send D. sent
C
D
A
Homework
Memorize the new words.
Do the exercises in students’ book Page 55.
Preview the passage in 2b.