文档介绍：Unit 9
When was it invented?
Section B
Period 1 (1a — 2c)
Period 2(3a — 4b)
2a Listen and circle “T”(for true) or “F”(for false).
The potato chips were invented by
mistake.
2. They were invented in 1863.
The customer thought the potatoes
weren’t thin enough.
The customer said they weren’t salty
enough.
5. e wanted to make the customer
happy.
6. The customer was happy in the end.
T F
T F
T F
T F
T F
T F
_____________that potato chips were invented by mistake? Chips ______
_________by a chef called e Crum. They were invented in______. e Crum cooked them for a long time until they ___________And he sprinkled lots of salt on them so they were__________.
The history of potato chips
Did you know
were invented
1853
were crispy
really salty
3a. Read the article and write answers to the questions.
1. What is the article about?
3. Who was it invented by?
2. When was it invented?
4. How was it invented?
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. According to an Ancient Chinese legend, the emperor Shen Nong discovered tea when he was boiling drinking water over an open fire.
Who invented tea?
Some leaves from a nearby bush fell into the water and remained there for some time. 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.
3a. Read the article and write answers to the questions.
What is the article about?
3. Who was it invented by?
It is about the invention of tea.
It was invented over three thousand years ago.
2. When was it invented?
It was invented by the Chinese emperor Shen Nong.
It was invented by accident.
4. How was it invented?
Write an article using the notes in the box.
Who: colle