人教九年级Unit 6 Grammar & Section B Listening（课件）

(共17张PPT)
稻壳儿
U6
When was it invented
listening & grammar
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
yummy
sweet
cold
delicious
salty
fresh
Do you like chips
Do you know how they were invented
Listen and circle T for true or F or false.
1c
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.
T F
T F
T F
T F
T F
T F
1853.
thin
unhappy/angry.
Listen again. Complete the sentences.
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
really salty
crispy
P140
Boy 1: Hey, did you know that potato chips were invented by mistake
Boy 2: Really What do you mean
Boy 1:Well, here on the bag it says that they were invented by a cook
called George Crum.
Boy 2: When was that
Boy 1: Oh, it was back in 1853.
Boy 2: So, why was it an accident
Boy 1: 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.
Boy 2: So what happened
tapescripts
Boy 1: 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.
Boy 2: And
Boy 1: 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.
Boy 2: And we're still eating them today. What a cool story!
tapescripts
稻壳儿
被动语态
过去时
一般过去时的被动语态
When was the zipper invented
拉锁是什么时候被发明的？
It was invented in 1893.
它是在1893年被发明的。
When was tea brought to Korea？
茶是什么时候被带到韩国的？
The model plane was made by my brother.
这个飞机模型是我弟弟制作的。
1.概念：表示_____某一时间的_____(主动/被动)动作或过去经
常性、习惯性的被动动作。
2.结构：
过去
被动
was/were+及物动词的过去分词
The zipper was invented in 1893.
The zipper was not invented in 1893.
Was the zipper invented in 1893
Yes, it was. / No, it wasn’t.
句式变化：
陈述句：主语 + was/were (not) + 动词过去分词
一般疑问：was/were + 主语 + 动词过去分词
答句：Yes, 主语 + was/were./ No, 主语 + was/were not.
句式变化
1. They sold the fridge at a low price.
The fridge was sold at a low price (by them).
2. Somebody stole my camera from my hotel room.
My camera was stolen from my hotel room (by somebody).
3. Where did you take these photos of these wolves
4. The guide warned them not to climb the mountain in bad weather
5. Different writers translated the book into different languages.
Where were these photos of wolves taken (by you)
They were warned not to climb the mountain (by the guide) in bad weather.
The book was translated into different languages (by different writers).
Rewrite the sentences using the passive voice.
Feedback
低价销售...
警告某人不要做某事
translate...into 把……翻译成……
4a
1. You ____________ to the party last night, weren’t you
Why didn’t you go
2. The earthquake happened all of a sudden, but luckily the villagers
__________ to a safe place.
3.The door ________ when we arrived, so we____ the bell.
were invited
were brought
Complete the sentences with correct forms of the verbs in the box.
eat, like, invite, tell, lock, ring, break, bring
was locked
rang
4. The students _________ not to eat or drink in class, but Ruby ______ the rule when she started eating a biscuit in science class.
5. The cookies __________ by the hungry kids in less than 20 minutes, and they really _____ them.
broke
were told
were eaten
liked
突然
4b
4c
The telephone ______________ (invent) by Alexander Graham Bell. He __________ (born) in 1847. Mr. Bell ________ (work) on the invention of the telephone with Thomas Watson. In 1875, Mr. Bell _________ (learn) how to send musical notes through an instrument similar to a telephone. Finally, the telephone _____________ (invent) in 1876. The first sentence that _________ (say) on the telephone by Mr. Bell was “Mr. Watson, come here; I want to see you.” Today the telephone ________ (use) around the world.
was born
was invented
worked
Decide whether active or passive forms should be used in these sentences. Write the correct forms in the blanks.
learned
was invented
was said
is used
Difficulty
1. make, let, have, notice, see, hear, watch, feel等词之后跟省略to的不定式,变成被动态时应加上to.
2.当主动句有双宾语结构时，变被动句有两种方式。
1. I see him come out of the house.
He is seen to come out of the house.
2. I bought Tom (间接宾语) some books(直接宾语).
Some books were bought for Tom by me.
Tom was bought some books by me.
直接宾语做主语
间接宾语做主语
Summary
Assignment
Assignments
Useful Expressions about Introducing an Invention
Name
Time
Inventor
Use
What it looks like
How it works
Price
It is a ...
It was invented in.../last.../ ..weeks/months/years ago
It was invented by...
It is used for doing... / It can be used as...
It is made of... / It looks like.../ It has....
It is ...meters tall and weighs... kilos.
It can help... to do...
It’s easy/convenient for... to do...
It is... yuan/ dollars.
It costs you ... yuan/ dollars.
文体：说明文
人称：第三人称
时态：一般现在时为主
Writing(共20分)
假如你是李华，你的发明——智能垃圾桶 （a smart waste basket） 在你校的“小发明，大智慧”活动中获得了一等奖。你的美国笔友Kevin得知该消息后，给你发来电子邮件表示对你的发明很感兴趣。请你根据以下提示，给他回一封电子邮件，介绍一下你的发明
要求：
1.内容需包括提示要点，可适当增加细节，以使行文连贯；
2.语言表达要准确，语意要通顺；
3.词数100左右，电子邮件的格式和开头已给出，但不计入总词数。
Dear Kevin,
I'm glad that you' re interested in my invention. Let me introduce it to you.
____________________________________________________
Yours,
Li Hua
Dear Kevin,
I'm glad that you' re interested in my invention. Let me introduce it to you.
My invention is a smart waste basket made of a special material. It was invented three months ago. It looks the same as common waste baskets, but there are four different areas inside it. It will open when people's hands get close to it. So it's really convenient. More importantly, it can not only be used for collecting rubbish but it can also be used to sort rubbish into different kinds automatically. This helps people save time and makes people's lives more convenient. It's a useful invention, right
Are there any special inventions in America I’m willing to know about them.
Yours,
Li Hua