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人教九全英语同步精品课件
人教版九年级全一册
Unit 6 When was it invented
Section B 1a-1e
听说精品课
1.学习本课新词汇: crispy, salty, sour, by mistake, customer
掌握句型：
—Did you know potato chips were invented by mistake
—Wow, I didn’t know that.
Who invented them
2. 在听力练习中，能够准确判断句子正误，完成句子填空，能听懂薯片发明的历史以及发明的过程等。
3.在口语交际中能够使用一般过去时的被动语态谈论薯片的发明过程和历史。
学习目标
New words
crispy adj. 脆的；酥脆的
salty adj. 咸的
sour
adj.酸的；有酸味的
customer n. 顾客；客户
[ k st m ]
[ sa ]
[ s lti]
[ kr spi]
by mistake
错误地；无意中
What kind of snacks do you like to eat
How do they taste
Can you describe them
Which taste do you like best
Can you think of any other flavor (n.味)
What are the four basic kinds of tastes
sour
sweet
bitter
hot
ice-cream
sweet
bread
sweet and delicious.
How does the food taste
They are crispy（脆的）.
potato chips（薯片）
biscuits （饼干）
lemons 柠檬
yogurt酸奶
They are sour（酸的）.
watermelon（西瓜）
cake 蛋糕
They are sweet（甜的）.
lazi chicken 辣子鸡
hot pot火锅
They are hot (辣的).
Different food has different taste(味道).
They are salty (咸的).
salted eggs 盐蛋
bitter melon苦瓜
coffee咖啡
It tastes bitter.
['b t ]
crispy / hard
They taste crispy and hard\soft and sweet.
sweet / soft
pickled vegetable
['p k( )ld] 腌菜
What’s this /What are these
It’s a/an…..They’re…..
How does it taste /How do they taste
It’s/They’re…….
Different food has different taste.
They taste…
sour
sweet
bitter
spicy
salty
crispy
1a
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
salty
adj. 脆的；
酥脆的
adj. 咸的
adj. 酸的
sour
sweet
salty
Write the name of a different food after each word.
sweet crispy salty sour
apple;
orange;
cake;
honey;
candy;
biscuit
......
French fries;
lettuce;
popcorn;
potato chips;
......
pizza;
potato chips;
salt;
salty fish
pickle腌菜
......
grape;
vinegar醋;
orange;
lemon;
pickle腌菜;
strawberry
......
1b
Do you know how potato chips were invented
Do you like potato chips
Listen and circle T for true or F for false.
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
错误地；无意中
n. 顾客；客户
1c
1853
thin
angry
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
The History of Potato Chips
When
Who
How
Result
Why
1853
George Crum
The customer said the fried potatoes were cut too thick
and sent them back to the kitchen. George was angry.
1. Cut the potatoes really, really thin.
2. Cooked them for a long time until they were crispy.
3. Put lots of salt on them.
The customer loved them and asked for more.
Listen again and fill in the mind map, then retell.
1e
Make a conversation about the invention of potato chips. Use the information in 1c and 1d.
Did you know potato chips
were invented by mistake
Wow, I didn’t know that.
Who invented them
It’s said that they were
invented by a cook called George Crum.
When was that
Oh, it was back in 1853.
Why was it an accident
One day, a customer ordered a plate of fried potatoes. George cooked them for him. When the potatoes came, he said they were cut too thick and sent them back to the kitchen.
So what happened
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.
And then
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.
What kinds of delicious food does your hometown have
Have you ever eaten hot pot
Hot pot is a feature (特色）food of Chongqing. When the Chongqing natives get together with their friends, most of them would like to choose hot pot as their dinner. Hot pot is famous for its spicy and hot （麻辣）， If you are adventurous （有冒险精神）enough, you can cook anything with hot pot .
Love food, Love hometown, Love life!
爱美食，爱家乡，爱生活！
名词+后缀-y构成的形容词：
luck—lucky health—healthy wind—windy rain—rainy taste—tasty ice—icy
snow—snowy sun—sunny
Language Points
1. salty 咸的
salty (tasting of salt) 形容词，意为“咸的；含盐的”，是由名词salt(盐)加后缀-y构成的。
The soup is a little salty for me.
【语境领悟】I missed the school bus by mistake this morning.
今天早上我无意中错过了校车。
I took your pen by mistake. 我错拿了你的钢笔。
mistake
1. n. 错误。make a mistake/make mistakes犯错误
I used to make mistakes in spelling．我过去常常犯拼写错误。
2. v. 弄错; 误解
You mistook my meaning entirely.你完全误解了我的意思。
mistake ... for ... 错把……当成……
Don't mistake me for an American.不要把我误会成美国人。
2、by mistake为介词短语，意为“无意中；错误地”,相当于accidentally。
【拓展】
at the end of可以指时间，也可指处所，意为“在……尽头，在……结束时”。
by the end常和of相连，用于指时间，意为“到……底(末)为止”
【学以致用】1.他在花园的尽头的那边。
He is down _______________ the garden.
2.最后，我们找到了这座房屋。
______________ we found the house.
3.到战争结束时, 这个小铺子已经变成有728个工人的大厂了。
_____________________, the small work-shop had become a large factory with 728 workers.
at the end of
In the end
By the end of the war
3、in the end 最后，终于 (相当于finally 或 at last)
4、The customer thought the potatoes were not thin enough. 顾客认为土豆不够薄。
enough修饰名词时，名词可放在名词前面也可放在名词后面。
I have enough money.我有足够的钱。
There isn’t food enough in the dinning hall.餐厅里的食物不太够。
其修饰形容词、副词，enough放在形容词和副词的后面。
He wrote carefully enough to get the award of the competition.
重点单词
1.crispy（adj.）脆的；酥脆的 2.salty (adj.) 咸的
3.sour（adj.） 酸的；有酸味的 4.customer（n.）顾客
重点短语
1) by mistake
2) salty enough
3) make sb. + adj.
4) in the end
5) a cook called…
6) cook for a long time
put …on
重点句型
1.Did you know potato chips were invented by mistake
你知道土豆片是被错误地发明的吗？
2. He cooked them for a long time until they were crispy.
3. He put lots of salt on them so they were really salty.
他在它们上面撒了许多盐以使他们好咸。
Summary
1. I don’t like eating chocolate. The taste is too _______ .
2. Mom added salt but it still wasn’t ______ enough.
3. I prefer lemons to oranges. I like the ______ taste.
4. She likes _______ cookies. They are hard, dry and
easily broken.
sweet
salty
sour
crispy
crispy sweet salty sour
I.选词填空。
II、单项填空
(　)6.—Sorry, Pam, I took your notebook ______．
—It doesn't matter. They look the same as each other.
A．by hand B．by mistake C．in trouble D．in danger
(　)7. I can't stand these ______ oranges. I have a sweet tooth.
A．crispy B．salty C．sour D．delicious
(　)8.—Have you heard of Xu Yuanchong？He has ever won world's highest honor in translation.
—Of course. Many famous poems in ancient China were ______ into English by him.
A．divided B．produced C．packed D．translated
(　)9.The soup isn't ______. Please add some ______ to it.
A．salt enough; salty B．salty enough; salt
C．salt; salty enough D．enough salty; salt
(　)10.In summer, Susan often drinks some _____ water when she comes back from school.
A．boiling B．boil C．boiled D．boils
B
D
C
B
C
1.请不要让他工作太久。
Please don’t _____ him _______for long.
2. 这个顾客说这个薯条不够脆。
The customer said that the potato chips weren’t ______ _____.
crispy enough
III. 翻译句子。
3. 乔治想让顾客高兴。
George wanted _________ the customer ________.
4. 薯条是一个名Crum的厨师发明的。
The potato chips_____ _______ by a cook ______Crum.
5.对不起，我刚才错拿了你的雨伞。
Sorry，I took your dictionary ______ _______ just now.
to make
happy
were invented
called
by mistake
make
work
Homework
1. Memorize the new words and expressions in this lesson.
2. Read the text again. Try to conclude the passage with your own words.
3. Preview the passage Do You Know When Basketball Was Invented on page 46.
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