When was it invented?
Unit 6
Section B
Language Goal:
1. Learn to describe how food tastes.
2.Try to retell the legendary invention of tea.
Warming up
List some kinds of food and describe their tastes.
sour, sweet
lemon
ice cream
sweet，cold
pleasant smell
tea
potato chips
crispy, salty
1a
sweet
crispy
salty
sour
Fill in the blanks with words in the box.
sour
sweet
crispy
salty
sweet
salty ________________________
1b
Write the name of a different food after each word.
sour ________________________
crispy _______________________
sweet _______________________
banana
candy
apple
biscuit
potato chips
potato chips
vinegar
lemon
1. The potato chips were invented by mistake.
2. They were invented in 1863.
3. The customer thought the potatoes weren’t thin enough.
4. The customer said they weren’t salty enough.
5. George wanted to make the customer happy.
6. The customer was happy in the end.
Listen and circle “T” or “F”.
2a
T
F
T
T
T
T
T
F
F
F
F
F
2b
Listen again and complete the sentences.
The history of chips
_____________ that potato chips were invented by mistakes? Chips _____________ by a chef called George Crum. They were invented in ______ .George Crum cooked them for a long time until they ___________ . And he sprinkled lots of salt on them so they were ___________.
(1)
(5)
(3)
(4)
(2)
Did you know
were invented
1853
were crispy
really salty
Tapescripts
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 chef called George Crum.
Boy 2 : When was that?
Boy 1: Oh, it was way back in 1853.
Boy 2: So, why was it an accident?
Boy 1: Well, one day a customer in the restaurant where George worked sent back his plate of fried potatoes because he said they were cut too thick.
Boy 2: So what happened?
Boy 1 : Well, George was in a bad mood, so he cut the potatoes really, really thin, and he cooked them for a long time until they were crispy. And he sprinkled lots of salt on them so they were really salty. He thought the customer would hate them.
Boy 2 : And?
Boy 1: And the customer loved them and asked for more. He told the other customers about them, and soon everyone was ordering thinly sliced, crispy, salty potato chips.
Boy 2 : And we're still eating them today. What a cool story!
Boy 1: Yeah.
PAIRWORK
Role play the conversation about the invention of the potato chip.
Model
A: Did you know potato chips were invented by mistake?
B: Wow, I didn’t know that. Who invented them?
A: …
2c
Explanation:
mistake 作名词 “错误，误会”。也可以作动词 “弄错，犯错”。常见形式：
e.g.
（2）make a mistake 出错
You have made a foolish mistake.
你犯了一个愚蠢的错误。
（1）by mistake 错误地
e.g.
He put salt in her cup of tea by mistake.
他错把盐放进她的茶里。
mistake 作动词, 意为 “弄错,误解”
（3）mistake…for… 错把……当作……
They mistook him for his brother.
他们错把他认作他的兄弟。
e.g.
You’d better say sorry to her, because you’ve mistook what she said.
你该向他道歉, 因为你误解了她的话。
e.g.
Reading
Did you know that tea,
the most popular drink in
the world (after water),
was invented by accident? Although tea wasn’t brought to the Western world until 1610, this beverage was discovered over three thousand years before that.
3a
Who invented tea?
Reading
by accident 偶然，碰巧。
1. Although tea wasn’t brought to the western world until 1610, this beverage was discovered over three thousand years before that.
虽然茶直到1610年才传入西方世界, 但这种饮料在三千多年前就被发现了。
(1) although conj. 意为 “虽然,尽管”,引导让步状语从句。我们不能根据汉语习惯, 在后面使用连词but, 不过它可以与 yet, still 连用。
There is air around us, although we can’t see it.
尽管我们看不见, 但我们周围全是空气。
e.g.
(2) not…until 意为 “直到……才……” 。
注：until 的主句中也可以用延续性动词，此时
until 不与 not 连用，表示 “直到……为止”。
用于not…until 结构中的主句谓语多为短暂性动词。
He did not go to bed until his father came home.
直到他爸爸回家时他才睡觉。
I will wait until he returns.
我将等到他回来。
e.g.
e.g.
According to an ancient Chinese legend, the emperor Shen Nong discovered tea when he was boiling drinking water over an open fire. Some leaves from a nearby bush fell into the water and remained there for some time.
remain “继续留在某处”。
fall into “落入, 陷入”。
according to “根据……;依照……”。
2. According to an ancient Chinese legend, the emperor Shen Nong discovered tea when he was boiling drinking water over an open fire.
根据中国古代的一个传说, 神农帝在户外的火上烧饮用水时发现了茶叶。
according to 介词短语,意为 “根据……;依照……”后接代词,名词或由疑问词及whether引出的名词性从句。
According to the radio, it will rain tomorrow. 根据收音机说,明天有雨。
e.g.
3. Some leaves from a nearby bush fell into the water and remained there for some time.
一些叶子从附近的灌木丛落到水里。并在水里浸泡了一段时间。
He was drunk and fell into the water.
他酒醉跌落水中。
remain 表示 “继续留在某处”。
How long will you remain here?
你要在此地停留多久?
fall into “落入, 陷入”。
e.g.
e.g.
The emperor noticed that the leaves in the water produced a pleasant smell. Later he decided to taste the hot mixture. It was quite delicious. And in this way, one of the world’s favorite drinks was invented.
notice “发现，注意到……”。
decided to “决定……”。
Answer the following questions according to the article above.
1. What is the article about?

2. When was it invented?

3. Who was it invented by?

4. How was it invented?
The article is about the invention of tea.
It was invented over three thousand years ago.
It was invented by the Chinese emperor,
Shen Nong.
It was invented by accident.
According to an ancient legend, once when Shen Nong was boiling drinking water over an open fire, some leaves from a nearby bush fell into the water and remained there for some time. He noticed that the leaves in the water produced a pleasant smell. Later he tasted the water and found it quite delicious. That’s how he discovered tea.
5. Who can retell the story of the invention of tea?
3b
Write an article using the notes in the box.
Who: college students
What: metal pie plate, flying disk
When: 1950s
Where: bakery Bridgeport, Connecticut
Why: new toy
How: students eat pie, throw pie plates
Today: clubs, magazines, festival
From pie plate to flying disk
The flying disk was invented by college students. _______________________________________________________________________________________________________________________________________
A sample version
The flying disk was invented by college students. Flying disk is a metal pie plate. In the 1950s, several college students ate pies made by a bakery in Bridgeport, Connecticut. They found it interesting to throw the pie plates with each other. Then it became a game. Today, there are flying disk clubs, magazines and even a festival.
From pie plate to flying disk
4a
Think of something that you don’t like doing. And think of an invention that can help you. Write the details in the chart.
Problem: ____________________________
New invention: _______________________
Use: ________________________________
Price: _______________________________
writing tests
a pen that listens and writes
listen and write instead of you
100 yuan each
4b
Try to sell your partner’s invention to the class.
PAIRWORK
Model
A: This special pen was invented by Zheng Jie. It has three colors and it is used for …
HOMEWORK
Collect information about tea as much as you can. And then write a letter to a foreign friend about tea.
1. All the students in my dormitory enjoy playing football. (同义句转换)
Football ___ _______ by the students in my dormitory.
2. When he was seventy, William decided to go to college. (同义句转换）
At the ____ of seventy , William made a ________ to go to college.
is enjoyed
age
decision
句型转换
3. Kate took good care of the baby yesterday evening. (改为被动句）
The baby ____ _____ _____ ____ ___ by Kate yesterday evening.

4. The suspect(嫌疑人) was seen to leave the building in a hurry by him. (改为主动句)
He ____ the suspect ______ the building in a hurry.
saw leave
was taken good care of
5. Did you turn off the TV last night? (改为被动句)
____ the TV ______ ___ by you last night?

6. The old woman didn’t leave before the young man came back to take his bike. (同义句转换)
The old woman ____ ___ leave _____ the young man came back for to take his bike.
Was
turned off
did not
until