Unit 6 When was it invented? Section B （1a-1e)课件(共35张PPT)

(共35张PPT)
英语（人教版）
九年级全册
English
Unit 6 When was it invented？
Section B 1a-1e
How does the food taste Do you like it/ them
Free talk
sweet
1
课堂导入
How does the food taste Do you like it/ them
sweet, sour, …
How does the food taste Do you like it/ them
sour, …
How does the food taste Do you like it/ them
sweet, sour, salty…
How does the food taste Do you like it/ them
sweet, salty, crispy…
adj. 脆的，酥脆的
salty food
Please list some food with kinds of taste
Sour food
Sweet food
Crispy food
The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word.
1a
sweet crispy salty sour
__________ __________ ________ _________
__________ _________ _________ _________
crispy
sour
salty
sweet
salty
2
课堂活动
Write the name of a different food after each word.
1b
sweet ______________________
crispy _______________________
salty ________________________
sour _________________________
banana
fried chicken
cheese
lemon
Talk about the food with your partner.
I think pineapples are sour. What food is crispy
What food is sour
…
Read the following sentences, predict the conversation.
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
顾客；客户
错误地；无意中
最终；最后
1c
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
Listen and answer the questions.
1. Who invented potato chips
2. When were they invented
3. What did the custom order at the restaurant
4. What did the custom think of the potato chips George cooked at first
5. How did George cook the potatoes then
Listen again. Complete the sentences.
1d
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
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
1c,1d听力材料
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
Boy1: 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!
Make a conversation about the invention of potato chips. Use the information in 1c and 1d.
Wow, I didn’t know that. Who invented them
Did you know potato chips were invented by mistake
1e
…
Language points
1. by mistake为介词短语，意为“无意中；错误地”，
相当于accidentally。
例句：今天早上我无意中错过了校车。
I missed the school bus by mistake this morning.
我错拿了你的钢笔。
I took your pen by mistake.
mistake还可以构成短语：
make a mistake/make mistakes 犯错误
mistake…for… 把……错认成……
翻译：别再出错了。
我把她错认成我们的英语老师了。
I mistook her for our English teacher.
Don’t make mistakes any more.
2. The customer thought the potatoes were not thin enough.
单词enough修饰名词时，不需要倒装。
如：我有足够的钱。
其修饰形容词、副词要倒装。
如：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。
他跑得不够快，赶不上其他人了。
He didn’t run fast enough to catch up with the others.
He ran so slowly that he couldn’t catch up with the others.
He ran too slowly to catch up with the others.
3. The customer was happy in the end.
in the end 后来，最后，终于
at the end of ... 在……末
by the end of ... 到……末为止
翻译：这个月月末我们将会开个会。
At the end of this month we’ll have a meeting.
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.
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.
3
课堂小结
1.We have learnt the following words and sentences:
Words: crispy, salty, sour, by mistake, customer, the Olympics, Canadians, divide,
divide…into…, basket, popularity, look up to, hero, professional, Berlin
Sentences: ①Basketball is a much-loved and active sport that is enjoyed by many for
fun and exercise.
②It is believed that the first basketball game in history was played on
December 21, 1891.
2. We’ve learnt to talk about the taste of the food!
3. We’ve listened for specific information
— Excuse me, sir. Are you sure the umbrella in your hand belongs to you
— Oh, sorry. I took it ______. Mine is over there, under the chair.
A. at once B. on time C. by mistake D. in all
The high-speed railway ______ in this city last year. It is easier for people to travel now.
A. will build B. will be built C. was built D. built
一、单选
C
C
4
课堂训练
He sent an email to Mary last night.（改为被动语态）
An email _____ ______ to Mary ______ _______ last night.
I was given a new toy by my aunt last week.（改为主动语态）
My aunt______ ______ a new toy last week.
This strange cup was used for keeping water warm.（改为一般疑问句）
_______ this strange cup ______ for keeping water warm
was sent
二、按要求改写句子
by him
gave me
Was used
4. The short novel was written by Lu Xun.（对划线部分提问）
_____ _____ the short novel ________ _____
5. Many trees were planted along the river last year.（改为否定句）
Many trees _______ ________ along the river last year.
对不起，我错拿了你的字典。（翻译句子）
I’m sorry, I took your dictionary____ ________.
Who was written by
三、按要求改写句子
weren’t planted
by mistake
1.乔治想让顾客高兴。
George wanted _________ the customer ________.
2.薯条是一个名Crum的厨师发明的。
The potato chips_____ _______ by a cook ______Crum.
3.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
happy
to make
四 、根据汉语意思完成句子
4. 抱歉，我误拿了你的雨伞。
Sorry, I took your umbrella______ _________ .
5. 我认为这汤不够咸。
I think the soup_____ _____ _______ .
6. 他最终同意了我的计划。
She agreed on my plan____ _____ _____.
by mistake
isn’t salty enough
in the end
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