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Section A 1a–2d
通过本节课的学习，同学们将能：
1. 听懂关于发明介绍、用途的对话，抓取细节信息并完成匹配、判断、填空任务；运用核心词汇和句型，描述发明的外观、用途及对生活的影响，完成对话交流。
2. 了解中外科技发明的发展，感知科技进步对生活的改变，增强文化自信与创新意识。
3. 通过分析发明的优缺点、思考发明的创新价值，培养逻辑思维和创新思维。
4. 学会利用听力技巧抓取关键信息，通过小组合作完成
任务，提升自主学习和合作探究能力。
In this unit, you will
1. talk about inventions.
2. discuss how inventions change our lives.
3. describe inventions using the passive voice.
4. explore the stories of inventors and inventions.
Look and share
1. What can you see in the photo
2. How do you feel about the photo
3. What creative ideas can you find in it
A high-speed train and the Yellow Crane Tower.
Proud and excited.
Combining tradition with modern technology.
As we all know, the Four Great Inventions in ancient China are so famous all over the world. Do you know what they are？
gunpowder
printing
papermaking
compass
Free talk
Do you know the New Four Great Inventions of modern China
high-speed rail
bike-sharing
mobile payment
online shopping
As teenagers, we should study hard and try our best to make contributions to our country!
What modern inventions can you think of
Great inventions
high-speed train
plane
TV
camera
computer
phone
Lead in
Look at these two pictures. What changes can you see in our lives
We can travel faster now. We can chat with friends easily.
All these great changes are brought about by inventions. Today, we are going to learn more about inventions and how they influence our lives. First, let’s complete Activity 1a.
NOW
PAST
NOW
PAST
1a
Match the names with the things. Find out when they were invented.
plane camera laptop mobile phone TV high-speed train
1.__________________
2._______________
3._______________
4._______________
5._______________
6._______________
high-speed train
camera
TV
mobile phone
plane
laptop
1b
Listen to the conversations. Choose the invention each conversation talks about and find out where they are from.
Conversation 1: Conversation 2: _____________
A. Super See, from _____________ B. Smart Cook, from ____________
Conversation 1
Guide 1: Welcome to the International Exhibition of Inventions! Over here, we have Super See from Germany.
Ella: They look like sunglasses. What are they used for
Guide 1: They’re for people who can’t see well. They don’t find normal glasses helpful.
Ella: How do they help people to see
Guide 1: Well, a mini-camera is connected to the front of the glasses. It makes everything look larger. Words can also be turned into sound.
Ella: Cool! So they can help people watch TV and read books.
Guide 1: Yes. They can also control the colour and picture.
Ella: Amazing!
Super See
Germany
Conversation 2
Teng Fei: What smells so delicious
Guide 2: Come and have a try. Smart Cook from China is cooking some food.
Teng Fei: Really How does it work
Guide 2: It’s simple! Put food like carrots and onions in the cup on the top of the machine. Then press this button. All the food is cut and fried. The oil and salt are also added by the machine itself.
Teng Fei: Fantastic! How many kinds of dishes can it make
Guide 2: Hundreds! It has an app with many recipes.
Teng Fei: Great! With this robot, my parents can take a break from cooking.
Guide 2: How nice of you to think so. I’m sure they will love it.
Conversation 1: Conversation 2: _____________
A. Super See, from _____________ B. Smart Cook, from ____________
Smart Cook
China
1c
Listen again and circle T for true or F for false.
1. Super See is a pair of sunglasses designed to protect people’s eyes. T F
2. A mini-camera is connected to Super See to help with reading. T F
3. A button on Smart Cook should be pressed before cooking. T F
4. All the food is added by Smart Cook itself. T F
5. Hundreds of kinds of dishes can be made by Smart Cook. T F
A: What can the special glasses be used for
B: They’re for people who can’t see well.
A: How do they work
B: ...
What can the two inventions be used for Describe them to a partner.
1d
What are the two inventions we learned just now
Super See and Smart Cook.
Now, please work in pairs and practice two dialogues: first for Super See, then for Smart Cook.
Sample
A: What can Super See be used for
B: They’re used for helping people who can’t see well and see clearly.
A: How do they work
B: They work by using a mini-camera. The camera reads the words and sends them to the glasses, so the user can hear or see them clearly.
A: What can Smart Cook be used for
B: It’s used for cooking different kinds of food.
A: How does it work
B: It works when you press the button. You put food in it, and it cooks the food by itself. It can make hundreds of dishes.
Assessment（评价量表） 评价维度 评价标准（星级★） 评分
语言表达 使用目标句型，发音清晰★★★★★
内容完整 包含用途和工作原理，信息完整★★★★★
合作交流 对话自然，有互动，不生硬★★★★★
2a
Tick the things that you think a 3D printer can make. You can add more.
medicine arms and legs hearts toys
tables shoes computers houses
chairs food _________________
cups
models key rings phone cases plant pots …
Great ideas! Now we have many guesses about what a 3D printer can make. Let’s listen to Han Lin’s conversation and check what he saw at the International Exhibition of Inventions. Pay attention to the things the 3D printer can make.
2b
Listen to the conversation and answer the questions.
1. Where did Han Lin go last weekend
Ella: Hi, Han Lin! Did you go to the International Exhibition of Inventions last weekend
Han Lin: Yes, some amazing inventions were shown from all over the world.
Ella: What invention did you like the most
Han Lin: Oh, the 3D printer was amazing.
Ella: Why
Han Lin: Almost everything under the sun can be made by it.
Ella: Really Like what
Han Lin: Well, all kinds of everyday objects. Toys, chairs, tables, and even houses can all be made by the 3D printer.
Ella: That’s cool!
Han Lin: Yeah. And in medicine, for example, arms and legs, and even hearts can be created by the 3D printer.
Ella: That’s great! How does it work
Han Lin: Well, first, the object is designed on a computer. Then, a file is created and sent to the 3D printer. The 3D printer reads the file, and after that, the object produced by building up plastic.
Ella: Is only plastic used
Han Lin: No, other materials can also be used to produce things. It can even make food.
Ella: Oh, really I’d love to try 3D-printed food!
He went to the International Exhibition of Inventions.
2. Why was the 3D printer Han Lin’s favourite invention
Because almost everything under the sun can be made by it./It can make all kinds of everyday objects.
Ella: Hi, Han Lin! Did you go to the International Exhibition of Inventions last weekend
Han Lin: Yes, some amazing inventions were shown from all over the world.
Ella: What invention did you like the most
Han Lin: Oh, the 3D printer was amazing.
Ella: Why
Han Lin: Almost everything under the sun can be made by it.
Ella: Really Like what
Han Lin: Well, all kinds of everyday objects. Toys, chairs, tables, and even houses can all be made by the 3D printer.
Ella: That’s cool!
Han Lin: Yeah. And in medicine, for example, arms and legs, and even hearts can be created by the 3D printer.
Ella: That’s great! How does it work
Han Lin: Well, first, the object is designed on a computer. Then, a file is created and sent to the 3D printer. The 3D printer reads the file, and after that, the object is produced by building up plastic.
Ella: Is only plastic used
Han Lin: No, other materials can also be used to produce things. They can even make food.
Ella: Oh, really I’d love to try 3D-printed food!
2c
Complete the sentences with the correct forms of the words in the box. Then listen again and check your answers.
read design produce create send
1
First, the object is on the computer.
3
And the file is to the 3D printer.
4
Next, the file is by the 3D printer.
2
Then, a file is by the computer.
5
Finally, the object is by building up plastic.
designed
read
sent
created
produced
2d
List the things you use every day and choose the one that you like the most. Then talk about what it can be used for and its importance.
We use these things every day. But which one is the most useful for your studies and life Let’s finish the list in your book.
schoolbag（书包）
water bottle（水杯）
notebook（笔记本）
eraser（橡皮）
dictionary（词典）
Now, work with your partner. Take turns talking about your chosen invention.
Follow the dialogue example.
A: What invention do you like the most
B: I like ... the most.
A: What can it be used for
B: It can be used for / to ...
A: Amazing!/Fantastic! Is it important
in your daily life
B: Yes, it ...
Work in groups
Sample
A: What invention do you like the most
B: I like my laptop the most.
A: What can it be used for
B: It can be used for doing homework, searching for information, and even taking online classes.
A: Amazing! Is it important in your daily life
B: Yes, it is. It helps me study more efficiently. I can also use it to talk to my friends and relax after school.
Learn from the scientists! Try to be creative!
Language points
1. hundreds of 许多；大量；数百的；成百上千的
原文再现：Hundreds of kinds of dishes can be made by Smart Cook.智能烹饪机可以做出数百种菜肴。
hundred的用法：(1) 前面有具体数字，不加s，不加of。
three hundred students 三百名学生
（2） 前面无具体数字，加s，加of。
hundreds of students 数百名学生
e.g. Hundreds of people come to the park every day.每天有成百上千的人来到这座公园。
【对点练习】
用 hundred / hundreds 填空
1. There are ___________ of birds in the forest.
2. Five __________ people joined the sports meeting.
hundreds
hundred
2. be connected to 与······相连接
原文再现：A mini-camera is connected to Super See to help with reading.一台微型相机与“超视智能眼镜”相连接，以辅助阅读。
connect v. 连接；联结；把······联系起来
用法：(1) be connected to与······连接/相连，表示A物体与B物体在物理上或逻辑上“相连接”。
e.g. The two cities are connected by a new road.这两个城市由一条新路连接起来。
（2） connect...with... “把······与······联系起来”，表示将两者建立逻辑上的关联。
e.g. We can connect the word “success” with “hard work”.我们可以把“成功”和“努力”联系起来。
【对点练习】
1. — How do you like the new film
— It’s wonderful. I can ______ it ____ my childhood.
A. connect; with B. connect; to C. connects; with D. connected; to
2. The printer ______ the laptop, so we can print the file now.
A. connects to B. is connected to C. connected to D. is connecting to
A
B
3. The object is produced by building up plastic.这个物体是通过逐层堆积塑料制作而成的。
（1） build up 堆积；逐步搭建(物理层面)；增强；积累(抽象层面：健康、信心、力量等)
e.g. He built up his English skills by reading every day.他通过每天阅读来提高英语水平。
（2） plastic n. 塑料(表示材料时不可数；表示多种塑料制品时可数) adj. 塑料的。
e.g. The toy is made of plastic.这个玩具是塑料做的。
e.g. We should use fewer plastic bags.我们应该少用塑料袋。
【对点练习】
1. We can make many things by ______ plastic layer by layer.
A. build up B. building up C. builds up D. built up
2. The model is made of ______. It’s light and cheap.
A. a plastic B. plastic C. plastics D. plasticed
3. We should try to use fewer ______ bags.
A. plastic B. plastics C. plastically D. plasticed
B
B
A
Exercises
一、根据句意及汉语提示写单词
1. The high-speed train is one of the most useful _____________ (发明) in modern life.
2. My father bought a new _____________ (照相机) to take photos during our trip.
3. We can use a _____________ (笔记本电脑) to study online and finish homework easily.
4. Press the _____________ (按钮) on the machine, and it will start working.
5. There are _____________ (许多) of kinds of innovations changing our daily lives.
inventions
camera
laptop
button
hundreds
二、用所给单词的适当形式填空
1. The laptop _____________ (design) for students to take notes in class.
2. The 3D printer can _____________ (produce) many different kinds of objects.
3. This kind of toy is made of _____________ (plastic), so it’s light and cheap.
4. The story _____________ (it) is very interesting, but the ending is a little sad.
5. —What do you think of the _____________ (invent) of the plane
—It’s very amazing.
is designed
produce
plastic
itself
invention
1. 录制 1 分钟音频，用 3 句话描述自己每天使用的一项发明（如：I use my mobile phone every day. It is small and useful. It helps me talk to friends.）。
2. 设计一项 “未来发明”，完成以下任务：
(1) 画出发明的简笔画，并标注名称（如 Future Robot）。
(2) 用 5 句英文描述其外观、用途及能带来的改变。
Thanks

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