Unit 6 When was it invented？Section B 1a-1e 课件(共24张PPT)

(共24张PPT)
When was it
invented (1a-1e)
Unit 6 Section B
objectives
To learn some words to describe how food can taste
crispy, sour, sweet, salty
To listen for specific information
To talk about the history of potato chips, using passive voice
Did you know potato chips were invented by mistake
crispy
salty
sour
by mistake
customer
adj. 脆的；酥脆的
adj. 咸的
adj. 酸的；有酸味的
错误地；无意中
n. 顾客；客户
Words and
Expressions
What’s this How does it taste
Can you describe
the tastes of them
They are
crispy and salty.
1a
1. What kind of food, fruit and drink do you like best
2. Can you describe the tastes of them
potato chips
What’s this How does it taste
crispy, salty
What’s this How does it taste
sweet
ice cream
salted duck egg
salty
What’s this How does it taste
lemons
sour
What’s this How does it taste
Write the name of a different food after each word.
sweet
crispy
salty
sour
banana, water melon
fried chicken, potato chips
cheese, salted eggs
vinegar, lemon
1b
Make a conversation about the invention of potato chips. Use the information in 1c and 1d.
Did you know potato chips were invented by mistake
Wow, I didn’t know that.
Who invented them
1e
Make a conversation about the invention of potato chips. Use the information in 1c and 1d.
They were invented by a cook called George Crum.
When was that
Make a conversation about the invention of potato chips. Use the information in 1c and 1d.
Oh, it was in 1853.
Wow, cool. Why was it an accident
Make a conversation about the invention of potato chips. Use the information in 1c and 1d.
Eh…it is really a long story.
Never mind, I am not busy.
Role-play
1. Role play in groups;
2. Role play in front of the class
We’ll see which group does the best.
1e
The potato chips were invented by mistake.
薯片是无意中被发明出来的。
by mistake意为“错误地, 无意中”，常置于句末。
【经典习题】完成句子：
很抱歉我错拿了你的书包。
I’m sorry that I took your schoolbag
___ _______.
by mistake
拓展延伸
mistake为名词时，还可构成短语：make a mistake （犯错误）
mistake为动词时，常用于mistake…for… （把……误认为……）
I mistook Kate for her sister when I met her yesterday.
根据句意和首字母提示补全单词。
There were four famous inventions in a______ China.
2. These cars were p_______ by the
same company.
3. Few pears r________ on the trees after the heavy rain.
4. I don’t like the t_____ of the meat.
ncient
roduced
emained
aste
— “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
It ____ last week that the haze(雾霾) in Beijing caused many problems.
A. reports B. reported
C. is reported D. was reported
本课时重点回顾
new words
crispy, sour, salty
2. passive voice
Potato chips were invented by mistake.
Now 2 mins to test your spelling.
English-Chinese
crispy salty sour
客户 错误地
When finished, exchange your papers to see who does the best.
Chinese-English