Unit 1 When was it invented Section B (1a—1e) 课件(共17张PPT)

(共17张PPT)
Unit 1 When was it invented
Section B (1a—1e)
Talk about the inventions.
How many different kinds of inventions
do you know
Can you give some examples
inventions
Old inventions
Electric stuffs
Food
Transportation
话题 谈论篮球的发明史。
重点 掌握本课时出现的生词及用法。
难点 进行听力训练，提高综合听说能力。
sweet甜的
crispy脆的
salty咸的
How do they taste
hot辣的
bitter苦的
sour酸的
crispy
sour
sweet
salty
1a The words in the box describe how food can taste.Write them under the correct pictures. Some pictures have more than one word.
salty duck eggs
fruit salad
salty sour
1b Write the name of a different food after each word.
sweet crispy
bananas
apples oranges cakes
honey
cookies
potato chips
popcorn
potato chips
salty duck eggs
grapes
lemons
What are needed
The potatoes are cut into slices.
The slices are cooked in the pan.
The pepper and tomatoes are sprinkled.
potato chips
Who were potato chips invented by
When were potato chips invented
George Crum
chef
1c Listen and circle “T” (for true) or “F” (for false).
Potato chips were invented by mistake.
They were invented in 1863.
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
T F
T F
1d Listen again. Complete the sentences.
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
___________ .
thin
were invented
1853
crispy
really salty
A: Did you know potato chips were invented by mistake
B: Wow, I didn’t know that. Who invented them
A: ...
1e Make a conversation about the invention of potato chips. Use the information in 1c and 1d.
掌握下面的单词、短语和句式
单词 crispy, salty, sour, by mistake, customer
短语 all of a sudden, by mistake, in the end
句式 Potato chips were invented by mistake.
Choose an invention and do research on it. Make a mind map of the information you find.Then give a report to the class.
Homework
Nothing in the world is difficult for one who sets his mind to it.
世上无难事，只怕有心人。