人教版九年级全册Unit 6 When was it invented？Section B（1a~1e）课件(共13张PPT，内嵌音频)

(共13张PPT)
Unit 6
When was it invented
第四课时 Section B（1a~1e）
sour
sweet
bitter
spicy
salty
crispy
Presentation
--How do they taste --They taste…
Pre-listening
The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word.
1a
sweet crispy salty sour
__________ ____________ __________ ____________
__________ ____________ __________ ____________
crispy
sour
salty
sweet
salty
Write the name of a different food after each word.
1b
sweet _____________________________________
crispy _____________________________________
salty ______________________________________
sour ______________________________________
banana
fried chicken
cheese
lemon
I think pineapples are sour. What food is crispy
What food is sour
…
1. Potato chips were invented by mistake. T F
2. They were invented in 1863. T F
3. The customer thought the potatoes were not thin enough. T F
4. The customer said they were not salty enough. T F
5. George wanted to make the customer happy. T F
6. The customer was happy in the end. T F
Listen and circle T for true or F for false.
1c
While-listening
Listen again. Complete the sentences.
While-listening
1d
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
really salty
Post-listening
Make a conversation about the invention of potato chips. Use the information in 1c and 1d.
Wow, I didn’t know that. Who invented them
Did you know potato chips were invented by mistake
1e
…
Exercises
— Excuse me, sir. Are you sure the umbrella in your hand belongs to you
— Oh, sorry. I took it ______. Mine is over there, under the chair.
A. at once B. on time C. by mistake D. in all
The high-speed railway ______ in this city last year. It is easier for people to travel now.
A. will build B. will be built C. was built D. built
I. 单项选择
C
C
He sent an email to Mary last night.（改为被动语态）
An email _____ ______ to Mary ______ _______ last night.
2. This strange cup was used for keeping water warm.（改为一般疑问句）
_______ this strange cup ______ for keeping water warm
was sent
II. 句型转换
by him
Was used
3. The short novel was written by Lu Xun.（对划线部分提问）
_____ _____ the short novel ________ _____
4. Many trees were planted along the river last year.（改为否定句）
Many trees _______ ________ along the river last year.
5. 对不起，我错拿了你的字典。（翻译句子）
I’m sorry, I took your dictionary____ ________.
Who was written by
weren’t planted
by mistake
Summary
Homework
Look up some information about one invention you are interested in, write it down, you can tell us when and how it was invented, who invented it and other things you know about it.