(共21张PPT)
Unit6 When was it invented
Period3
Section B(1a-1e)
学习目标
Period3
Section B(1a - 1e)
1.在听说活动中感知、理解并尝试运用：
Potato chips were invented by mistake.
The customer was happy in the end.
They were invented in 1863.
2.直击中考听力，在听力训练过程中，尝试运用预览、预测、
速记等策略有效获取信息，完成听力任务。
3.在听力训练过程中有效获取有关发明的年代、用途、特征等
信息，掌握大意，判断正误。
4.尝试表达这些创造和发明对你的生活的帮助，对生活质量提
高认识。
情 境 导 入
sweet甜的
crispy脆的
salty咸的
How do they taste
hot辣的
bitter苦的
sour酸的
Presentation
新 课 探 究
Period3
Section B(1a-1e)
1a The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word.
sweet crispy salty sour
salty
sour
sweet
salty
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新课探究
1b Write the names of a different food after each word.
sweet _________________
crispy ________________
salty _________________
sour __________________
banana
watermelon
potato chips
salted eggs
vinegar, lemon
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新课探究
Do you like eating potato chips
Which kind of taste do you like
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What are needed
The potatoes are cut into slices.
The slices are cooked in the pan.
The pepper and tomatoes are sprinkled.
How to make potato chips
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新课探究
potato chips
Who were potato chips invented by
When were potato chips invented
George Crum
chef
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新课探究
T F
T F
1c Listen and circle T for true or F for false.
1. Potato chips were invented by mistake.
2. They were invented in 1863.
3. The customer thought the potatoes
were not thin enough.
4. The customer said they were not salty
enough.
5. George wanted to make the customer
happy.
6. The customer was happy in the end.
T F
T F
T F
T F
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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
1d Listen again. Complete the sentences.
really salty
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新课探究
Pair work
Make a conversation about the invention of potato chips. Use the information in 1c and 1d.
1e
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新课探究
Did you know potato chips were invented by mistake
Wow, I didn’t know that. Who invented them
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新课探究
It’s said that they were invented by a cook called George Crum.
When was that
Oh, it was back in 1853.
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Why was it an accident
One day, a customer ordered a plate of fried potatoes. George cooked them for him. When the potatoes came, he said they were cut too thick and sent them back to the kitchen.
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So what happened
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.
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And then
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.
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2. 薯片是一个名叫乔治·克拉姆的厨师发明的。
Potato chips _______ _______ _______ a cook _______ George Crum.
3. 而且他在它们上面放了很多盐。
And he _______ lots of salt _______ them.
一、完成句子。
1. 薯片是由于失误而被发明的。
Potato chips _______ _______ _______ _______ .
were
invented
by
mistake
were
invented
by
called
put
on
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新课探究
One day, a customer ______ (order) a plate of fried
potatoes. George cooked for him. When the potatoes came,
he said they ________ (cut) too thick and sent back to the
kitchen. George was angry. So he cut the potatoes really thin
and cooked for a long time, then put lots of salt so they were
______(salt). He _______ (think) the customer would hate them,
but the customer loved the thinly cut, crispy potato chips very
much. And we're still ______ (eat) them today.
ordered
were cut
salty
thought
eating
二、语法填空
课 堂 小 结
Period3
Section B(1a - 1e)
1.Phrases:
by mistake
in the end
potato chips
a cook called George Crum
lots of salt
错误地；无意中
最后；终于
薯片
一个名叫乔治·克拉姆的厨师
很多盐；许多盐
2.Passive voice in the simple past tense.
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Homework
课堂小结
1. Write the words and phrases.
2.Wrie an article about an invention.
THANK YOU
