人教版九年级全册Unit 6 When was it invented-Section B 1a-1e课件(共32张PPT，内嵌音频)

(共32张PPT)
Section B 1a-1e
Unit 6 When was it invented
九年级上册 RJ
初中英语
1. New words: sour, customer
2. Expression:by mistake
3. Sentences: ①Potato chips were invented by mistake.
②The customer was happy in the end.
Learning goals
How does the food taste Do you like it/ them
sweet
Free talk
Warming Up
sweet, sour, …
How does the food taste Do you like it/ them
adj. 酸的；有酸味的
How does the food taste Do you like it/ them
sour,…
How does the food taste Do you like it/ them
sweet, sour, salty…
adj. 咸的
How does the food taste Do you like it/ them
sweet, salty, crispy…
adj. 脆的，酥脆的
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
_________
_________
crispy
sour
salty
1a
_________
_________
sweet
salty
_________
_________
_________
_________
Write the name of a different food after each word.
sweet __________________________
crispy __________________________
salty ___________________________
sour ____________________________
bananas
fried chicken
cheese
lemon
1b
Talk about the food with your partner.
I think pineapples are sour. What food is crispy
What food is sour
…
1b
Learn words and phrases by reading the following sentences.
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.
n.顾客；客户
错误地；无意中
最终；最后
1. Potato chips were invented by mistake.（教材P45 1c）
by mistake 为固定结构，意为 “错误地；无意中”。
I took your pen by mistake, because yours is the same as mine.
Language Points
2.The customer was happy in the end.（教材P45 1c）
in the end 为固定结构，意为“最终；最后”。
He worked hard in school. He got into a dream school in the end.
【辨析】in the end , at the end of…与by the end of…
in the end 最终；最后 在句中作状语，相当于
at last或finally。
at the end of… 在······尽头/末尾 其后常接表示地点或时间的名词。
by the end of… 在······结束前 其后常接表示时间的名词，且多与将来时或完成时连用。
We reached the mountain top in the end.
Turn right at the end of the road.
We will have a party at the end of the week.
The project will be finished by the end of this week.
Listen and circle T for true or F for false.
1c
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
Boy1: Hey, did you know that potato chips were invented
by mistake
Boy2: Really What do you mean
Boy1:Well, here on the bag it says that they were
invented by a cook called George Crum.
Boy2: When was that
Boy1: Oh, it was back in 1853.
Boy2: So, why was it an accident
2.
Boy1: Well, one day, a customer came into the restaurant
where George worked. He ordered a plate of fried
potatoes. When the potatoes came, he said they were
cut too thick and sent them back to the kitchen.
Boy2:So what happened
3.
send...back to... “把······送回······”
Boy1: Well , 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.
Boy2: And
4.
5.
Boy1: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.
Boy2:And we're still eating them today. What a cool story!
6.
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
__________.
were invented
1853
thin
crispy
really salty
1d
Listen again. Answer the following questions.
What was George Crum’s job
What did the cook do with the thick potatoes then
He was a cook.
He cut the potatoes really thin and cooked them for a long time,and then put lots of salt on them.
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
(2020·泰州中考）This pair of trousers______ smooth because they are made of Chinese silk.
A. feels B.feel
C. is felt D. was felt
一、单选
A
Exercises
2. Another cross-sea bridge last year.
A. builds B. built
C. is built D. was built
D
1.（2020·达州中考）Chinese doctors saved many patients all over the world.(改为被动语态)
Many patients all over the world _____ ______ by Chinese doctors.
2. (原创) He was invited to Danny's birthday party yesterday.(改为主动语态)
Danny to his birthday party yesterday.
were saved
二、按要求完成句子
invited him
This strange cup was used for keeping water warm.(改为一般疑问句)
_______ this strange cup ______ for keeping water warm
4. The short novel was written by Lu Xun.(对画线部分进行提问)
_____ _____ the short novel ________ _____
Was used
Who was written by
5. (2020·上海中考) The 13-year-old one-armed basketball player attracted a lot of fans.(改为被动语态）
A lot of fans by the 13-year-old one-armed basketball player.
6. (原创) Were most of inventions invented on purpose in the world (作否定回答)
No，they were invented .
by mistake
were attracted
Key words
sour, customer
Useful expressions
by mistake, in the end
Sentences
①Potato chips were invented by mistake.
②The customer was happy in the end.
Summary
Find out some information about an invention you are interested in, and write it down. You can discuss when and how it was invented, who invented it, and some other information that you know about it.
Homework
THANKS
谢谢聆听！