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(共15張PPT)
Unit 6 When was it invented
The Fourth Period
Section B(1a—1e)
How does the food taste
Warming up
sweet crispy
salty sour
crispy
salty
sour
sweet
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
fries chicken
salty eggs
lemon
1b
Write the name of a different food after each word.
sweet______________ crispy_______________
salty________________ sour________________
banana
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
1c
Listen and circle T for true or F for false.
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. Complete the sentences.
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.
1. salty 咸的
salty 形容詞，意為“咸的；含鹽的”，是由名詞 salt“鹽，食鹽” 加-y構(gòu)成的形容詞。
e.g. He didn’t have much for dinner because the dishes were too salty. 他晚餐吃得不多,因?yàn)椴颂塘恕?br/>【拓展】“名詞+-y”構(gòu)成形容詞：在英語中，很多名詞后加-y可以構(gòu)成形容詞，如：cloud—cloudy, wind—windy, rain—rainy, sleep—sleepy等。
Language Points
2. Potato chips were invented by mistake. 薯?xiàng)l是無意中被發(fā)明的。（教材第45頁）
by mistake 介詞短語，意為“無意中，錯(cuò)誤地”。mistake 還可以構(gòu)成如下常用短語：make a mistake/make mistakes 犯錯(cuò)誤；mistake …for…把……錯(cuò)認(rèn)成……
e.g. I took your pen by mistake. 我錯(cuò)拿了你的鋼筆。
Don’t make mistakes any more. 別再犯錯(cuò)了。
I mistook Lily for Lucy yesterday. 昨天我錯(cuò)把莉莉當(dāng)成了露西。
3.The customer was happy in the end.最后顧客高興了。（教材第45頁）
in the end 意為“最后；最終”，相當(dāng)于at last, finally, 其后不接 of 短語，本短語強(qiáng)調(diào)雖然最初……，最后還是產(chǎn)生了一個(gè)……的結(jié)果。
e.g. They were out of danger in the end. 他們最后脫險(xiǎn)了。
He did one experiment after another and in the end he succeeded. 他做了一個(gè)又一個(gè)實(shí)驗(yàn)，最后成功了。
【拓展】① at the end of…
后接地點(diǎn)名詞時(shí)，表示“在……盡頭”；
后接表示時(shí)間的名詞時(shí)，表示“在……結(jié)束時(shí)”。
e.g. Walk along the street and you’ll find the hospital at the end of the street.
沿著這條街走，在街道的盡頭你就會(huì)找到那家醫(yī)院。
We’ll have an English test at the end of this week. 在這個(gè)周末我們要舉行一次英語測(cè)試。
② by the end of… 意為“在……以前，到……為止”，常用于將來時(shí)態(tài)和過去完成時(shí)態(tài)的句子中。
e.g. We will finish the work by the end of this year. 我們?cè)诮衲昴甑滓郧熬蜁?huì)完成這項(xiàng)工作。
一、用所給單詞的適當(dāng)形式填空
1. This heated ice-cream scoops were invented by a man _______(call)
Lanmon.
2.—The soup tastes ________.
—Maybe I added too much _______ just now.(salt)
called
salty
Exercise
salt
二、語篇填空之基礎(chǔ)訓(xùn)練
1.He met his parents on Christmas in the ___________.
2.We must make the __________ happy.
3.The child took the medicine as sweet by __________.
4.The milk is __________. You must throw it away.
5.The potato chips ________well at that time.
end
customers
mistake
sour
sold
customer end sour mistake sell
1.Remember the words and phrases in this lesson.
2.Write a conversation to talk about something else.
Homework

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