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新目标 九年级Unit 9
Unit 9When was it invented?
Section B Period 1
What do you think is the most
useful/annoying invention?
Why is that?
crispy and saltycrispy and salty
Describe how food tastes.Describe how food tastes.
sour sour
sweet sweet
sweetsweet
-What kind of food do you like?
salty 咸的，含盐的sweet 甜的crispy 易碎的，脆的sour 酸的，酸味的
bitter 苦的hot 辣的awful 可怕的nice 好的delicious 美味的
-I like food that tastes…
appleorangecakehoneycandy
French friessaladlettucePopcornpotato chips
pizzapotato chipsdumplings
grapevinegarorangepicklestrawberry
1b Write the name of a different food
after each word.
sweet ___ crispy ____ salty ______ sour ___
How do they taste?
Do you like potato chips?
The history of chips
When were potato chips invented?
Who were potato chips invented by?
How were potato chips invented?
Listening (2a, 2b: P71)Listening (2a, 2b: P71)
1. The potato chips were invented by
mistake.
2. They were invented in 1863.
3. The customer thought the potatoes
weren’t thin enough.
1. The potato chips were invented by
mistake.
2. They were invented in 1863.
3. The customer thought the potatoes
weren’t thin enough.
TT
FF
TT
Listen and choose “T” or “F”.
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.
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. TT
FF
FF
_____________ that potato chips were
invented by mistake? 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 __________.
_____________ that potato chips were
invented by mistake? 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 __________.
The history of potato chips
Did you knowDid you know
were
invented
were
invented
18531853
were crispywere crispy
really saltyreally salty
Listen again. Complete the sentences.
1. The custom said they weren’t salty en
ough. 这个顾客说菜不够咸。(1) said 后是宾语从句，省略了 that 。当宾语从句主句用一般过去时 , 从句也要用过去的某种时态。e.g. He asked me whom I was waiting fo
r. 他问我在等谁。
1. The custom said they weren’t salty en
ough. 这个顾客说菜不够咸。(1) said 后是宾语从句，省略了 that 。当宾语从句主句用一般过去时 , 从句也要用过去的某种时态。e.g. He asked me whom I was waiting fo
r. 他问我在等谁。
ExplanationExplanation
但 enough 修饰名词时，可以放在名词之前，也可以放在名词之后。如 :
I have enough money to buy it. ( I have
money enough to buy it.)
2.The potato chips were invented by
mistake. 薯片是无意中被发明的。mistake 做名词，意为 “弄错，误解”
但 enough 修饰名词时，可以放在名词之前，也可以放在名词之后。如 :
I have enough money to buy it. ( I have
money enough to buy it.)
2.The potato chips were invented by
mistake. 薯片是无意中被发明的。mistake 做名词，意为 “弄错，误解”
e.g. You have made a foolish mistake.
你犯了一个愚蠢的错误。 mistake 作动词，意为 “弄错，误解”e.g. She didn’t speak very clearly so I
mistook what she said.
她讲的不清楚，所以我误解了她的话。
e.g. You have made a foolish mistake.
你犯了一个愚蠢的错误。 mistake 作动词，意为 “弄错，误解”e.g. She didn’t speak very clearly so I
mistook what she said.
她讲的不清楚，所以我误解了她的话。
by mistake 意为 “错误地，无意地”e.g. I took his backpack by mistake.
我错拿了他的书包。 He put salt in her cup of tea by mistak
e.
他错把盐放进她的茶里。
by mistake 意为 “错误地，无意地”e.g. I took his backpack by mistake.
我错拿了他的书包。 He put salt in her cup of tea by mistak
e.
他错把盐放进她的茶里。
2c2c
Role play the conversation of potato chips.
Use the information from 2a to 2b.
Role play the conversation of potato chips.
Use the information from 2a to 2b.
A: Did you know potato chips were
invented by mistake?
B: Wow, I didn’t know that. Who
invented them?
A: …
A: Did you know potato chips were
invented by mistake?
B: Wow, I didn’t know that. Who
invented them?
A: …
Homework
Find out the history of tea.Find out the history of tea.
