内容正文:
Section A 2a-2d
Unit 6
When was it invented?
2a
Listen and number the inventions[1-3] in the order you hear them.
___ shoes with special heels
___ shoes with lights
___ hot ice-cream scoop,
runs on electricity
1
3
2
2b
Listen again and complete the chart.
Invention What is it / are they used for?
shoes with special heels ________ the style of the shoes
shoes with lights seeing ___________
hot ice-cream scoop ________ really cold ice-cream
changing
serving
in the dark
Alex: Hi, Carol. Wow, what are those?
Carol: Hello, Alex. Oh, these are some of the interesting inve
ntions that I’m writing about for my English
homework.
Alex: I see…What’s that, then?
Carol: They’re shoes with lights. You use them for seeing in
the dark when you get up at night.
Tapescripts
Alex: Oh, that’s a cool idea! I always hit my toe against
some thing on the way to the bathroom at night.
Carol: Next is a special ice-cream scoop. This is my favorite
invention. It runs on electricity and becomes hot.
Alex: I know what it’s for! It’s used for serving really
cold ice-cream.
Carol: Yes, that’s right! The last invention I’m going to write
about is shoes with special heels. You can move the
heels up and down.
Alex: What are they used for?
Carol: Well, you can change the style of your shoes. You can
raise the heels if you are going to a party or lower
them if you are just going out for shopping.
被用来……
Oral Practice (2c: P69)
Sentence pattern:
What is it / are they used for?
Who was it / were they invented by?
It is / They are used for doing...
It was / They were invented by ...
A: When was the _______ invented?
B: I think it was invented in ______.
1976
1885
1876
1927
1971
1879
Sample dialogues:
A: What is this?
B: This is a heated ice cream scoop.
A: What is it used for?
B: It is used for scooping really cold ice
cream.
A: Who was it invented by?
B: It was invented by Chelsea Lanmon.
A: What is the
used for?
B: It is used for ______.(count)
counting
A: What is the
used for?
B: I think it is used for _____.(ride)
riding
A: When was …invented?
B: It was invented in…
A: Who was it invented by?
B: It was invented by…
A: What is the … used for?
B: The … is used for doing…
pairworkpairwork
Paul: Hey Roy, the subject for my school project is “Small
inventions that changed the world.” Can you help me think of
an invention?
Roy: My pleasure! Let me think… hmm… I know! The zipper!
Paul: The zipper? Is it really such a great invention?
Roy: Think about how often it’s used in our daily lives.
You can see zippers on dresses, trousers, shoes,
bags… almost everywhere!
2d
Role-play the conversation.
Paul: Well, you do seem to have a point…
Roy: Of course! I thought about it because I saw a website last week.
The pioneers of different inventions were listed there. For
example, it mentioned that the zipper was invented by
Whitcomb Judson in 1893. But at that time, it wasn’t used
widely.
Paul: Really? So when did it become popular?
Roy: Around 1917.
Read the passage quickly and answer the questions.
What is the subject for their school project?
2. What kind of invention does Roy think of?
3. Why does Roy think it is a great invention?
Small inventions that changed the world.
The zipper.
Because it is often used in our daily lives.
4. Who and when was the zipper invented?
5. When did the zipper become popular?
Whitcomb Judson in 1893.
Around 1917.
Paul: Hey Roy, the subject for my school project is “Small inventions
that changed the world”. Can you help me think of an invention?
Roy: With pleasure! Let me think ... hmm... I know! The zipper!
Paul: The zipper? Is it really such a great invention?
Roy: Think about how often it's used in our daily lives. You can see zippers on
dresses, trousers, shoes, bags... almost everywhere!
Paul: Well, you do seem to have a point...
Roy: Of course! I thought about it because I saw a website last week. The pioneers
of different inventions were listed there. For example, it mentioned that the
zipper was invented by Whitcomb Judson in 1893. But at that time, it wasn't
used widely.
Paul: Really? So when did it become popular?
Roy: Around 1917.
please
1. 请(感叹词)
2. 使...愉快(动词--pleased--pleased)
Tony was pleased. Tony很开心。
pleasure (uncountable noun)
With pleasure! 很乐意!
My pleasure.
It’s a pleasure.
不客气。
The pioneers of different inventions were listed there.
list
1. 清单;名单(n.)
make a list (of...) 列一份(...的)清单
请列举一份你最喜欢的人的名单。
Please make a list of your favorite people.
2. 列清单(v.)
请列举10个你最喜欢的人。
Please list 10 of your favorite people.
Tony listed his favorite songs.
Hey Roy, the subject for my school project is
“Small inventions that changed the world”
Think about how often it's used in our daily lives.
多久一次/多么频繁
Well, you do seem to have a point...
do: 强调作用
When was it invented ?
It was invented in 1876.
What is it used for ?
It is used for cutting.
is\are + V过去分词
are\were + V过去分词
被
动
语
态
The classroom is cleaned by the students.
The classroom was cleaned by the students just now.
clean
cleaned
cleaned
Many trees are planted.
Many trees were planted last week.
plant
planted
planted
A.一般过去时常用的时间状语
last night, last week, yesterday, three years ago,
in 2011, in the past, the other day, at that time,
just now
B. 联系上下文情境
e.g.) Annie ____ to my birthday party. She had a
good time with us.
A. invites B. is invited
C. was invited D. has invited
C
1. Emily is glad that she ____ for her honesty at that meeting.
A. praises B. praised C. is praised D. was praised
2. Everybody ______ deeply after they heard the story.
A. moves B. moved C. is moved D. was moved
3. The pet dog is warm and loving, It ___ as a daughter of my family.
A. treats B. treated C. is treated D. was treated
D
C
C
$$