冀教版八年级下册英语Unit 5 Great inventions课文音频

Unit 5 Great inventions 翻译：第五单元 伟大的发明

Towards the end of this unit study, you will be able to: 翻译：在本单元学习结束时，你将能够：

talk about different kinds of inventions; 翻译：谈论不同类型的发明；

know some inventions that promote social progress; 翻译：了解一些促进社会进步的发明；

introduce one of your favourite inventions. 翻译：介绍你最喜欢的发明之一。

If you can improve yourself in a day, do so each day, forever building on improvement. —The Book of Rites 翻译：苟日新，日日新，又日新。 ——《礼记》

Lesson 1 Inventions are great! 翻译：第1课 发明真伟大！

Which invention do you think is the most important? Tick or write down your answer. 翻译：你认为哪项发明最重要？勾选或写下你的答案。

paper 翻译：纸

steam engine 翻译：蒸汽机

internet 翻译：互联网

bike 翻译：自行车

plane 翻译：飞机

printing press 翻译：印刷术

computer 翻译：计算机

car 翻译：汽车

phone 翻译：电话

light bulb 翻译：电灯泡

Other: ______ 翻译：其他：______

Listen to the conversation and circle the pictures of inventions mentioned. 翻译：听对话，并圈出提到的发明图片。

Today, let's talk about inventions and their roles in shaping our world. Which invention do you think is the most important? 翻译：今天我们来谈论发明及其塑造世界的作用。你们认为哪项发明最重要？

I believe the invention of paper has greatly influenced the development of human civilization. 翻译：我认为造纸术的发明极大地影响了人类文明的发展。

How about the telephone? It helps people communicate with each other easily and quickly. 翻译：电话呢？它能帮助人们轻松快捷地相互交流。

The light bulb is also an important invention. It lights up the world. 翻译：灯泡也是一项重要的发明。它照亮了整个世界。

I think washing machines are a helpful invention, and both electric and gas-powered cars are cool. 翻译：我认为洗衣机是一项实用的发明，电动汽车和燃油汽车也很棒。

Those are all great examples! Can you think of any other inventions? 翻译：这些都是很好的例子！你还想到其他发明吗？

Computers are very important. People can do so many things with a computer. 翻译：计算机非常重要。人们可以用计算机做很多事情。

And don't forget about the internet! It connects people around the world and provides us with information, knowledge, and entertainment. 翻译：别忘了互联网！它连接了世界各地的人们，并为我们提供了信息、知识和娱乐。

UNIT 5 翻译：第五单元

Absolutely! Computers and the internet have changed our lives. Now,if you could invent something, what would it be? 翻译：当然！计算机和互联网改变了我们的生活。现在，如果你能发明某件东西，那会是什么？

I would invent a time machine to travel to different periods in history. 翻译：我会发明一台时光机，穿越到历史的不同时期。

That sounds fascinating! I would invent a robot to do chores for me. 翻译：听起来很迷人！我会发明一个机器人来帮我做家务。

Inventions come from imagination and creativity. Keep dreaming and coming up with new ideas! 翻译：发明源于想象力和创造力。继续怀揣梦想，不断迸发新想法吧！

Listen to the conversation again and fill in the blanks. 翻译：再听一遍对话并填空。

Li Ming 翻译：李明

The invention of paper has greatly influenced the development of human civilization. 翻译：造纸术的发明极大地影响了人类文明的发展。

The internet connects people around the world and provides us with information, knowledge, and entertainment. 翻译：互联网连接了世界各地的人们，为我们提供了信息、知识和娱乐。

Song Hua 翻译：宋华

The telephone helps people communicate with each other easily and quickly. 翻译：电话能帮助人们轻松快捷地相互交流。

Wang Mei 翻译：王梅

The light bulb lights up the world. 翻译：灯泡照亮了整个世界。

People can do so many things with a computer. 翻译：人们可以用计算机做很多事情。

Li Lin 翻译：李林

Washing machines are a helpful invention. 翻译：洗衣机是是一项实用的发明。

Both electric and gas-powered cars are cool. 翻译：电动汽车和燃油汽车都很棒。

Listen to the dialogue and number the inventions you hear in order. 翻译：听对话，按顺序标出你所听到的发明。

flying car 翻译：飞行汽车

robot 翻译：机器人

computer 翻译：计算机

telephone 翻译：电话

Work in pairs. Talk about inventions with your partner. 翻译：两人一组。和你的同伴谈论发明。

Which invention do you think is the most important? 翻译：你认为哪项发明最重要？

I think electricity is very important. 翻译：我认为电力非常重要。

That's true! Electricity is everywhere, and it powers so many things. 翻译：没错！电力无处不在，它为很多东西供电。

Lesson 2 Ways of travelling 翻译：第2课 出行方式

Read the questions and give your answers. 翻译：阅读问题并给出你的答案。

What ways of travelling in history do you know? 翻译：你了解历史上的哪些出行方式？

Which invention in travel do you think is the most important? 翻译：你认为哪项发明在出行中最为重要？

Read the passage and match each part with its main idea. 翻译：阅读短文，并将各部分与其主旨大意匹配起来。

Long ago, many people did not travel far from home. In fact, in the early days, a person might live their whole life in one village. 翻译：很久以前，许多人不会离家远行。事实上，早期人类可能终生居住在一个村庄里。

The first important invention in land travel was the wheel. And then came the wagon. Humans began to have the power to move and carry things across long distances. 翻译：陆地旅行中的首个重要发明是车轮。随后出现了马车。人类由此获得跨越远距离移动和运输物品的能力。

The next was the train. After the train came the invention of cars, buses, trucks, and other means of transportation. Humans and goods were able to travel farther than ever before. 翻译：接着是火车。火车出现后，汽车、公共汽车、卡车以及其他交通工具相继问世。人类与货物得以比以往更远地移动。

Boats and ships provided another important way of travelling. The invention of the compass helped people explore more places. And canal systems made fast waterway transportation possible. 翻译：船只提供了另一种重要的出行方式。指南针的发明帮助人们探索了更多的地方。运河系统则使快速的水路运输成为可能。

Modern means of transportation, such as high-speed trains and airplanes, help people travel faster and farther. Eco-friendly electric cars are common and self-driving cars are in development. People can even travel to space in spaceships. Who knows what the future holds? 翻译：现代交通工具，如高铁和飞机，帮助人们更快更远地出行。环保型电动汽车很常见，自动驾驶汽车正在开发中。人们甚至可以乘坐宇宙飞船进入太空。谁知道未来会有什么呢？

The development of transportation has made travelling much easier and faster. Every invention is a symbol of human creativity. Let's enjoy these developments and work for more great things in the future. 翻译：交通的发展让人们的出行变得更加便捷高效。每一项发明都是人类创造力的象征。让我们享受这些进步，并为未来创造更多伟大的事物而努力。

UNIT 5 翻译：第五单元

Part 1 翻译：第1部分

Paragraph 1 翻译：第1段

Part 2 翻译：第2部分

Paragraphs 2, 3, 4 翻译：第2、3、4段

Part 3 翻译：第3部分

Paragraph 5 翻译：第5段

Part 4 翻译：第4部分

Paragraph 6 翻译：第6段

Key inventions of modern transportation 翻译：现代交通的关键发明

Situation of travel in the past 翻译：过去的出行情况

the development of transportation changes people's lives 翻译：交通的发展改变了人们的生活

road and water transportation development 翻译：公路和水路运输发展

Read and complete the passage. 翻译：阅读并完成短文。

The train allowed more people to travel farther than ever before. 翻译：火车让更多的人能够比以往任何时候都去更远的地方。

They didn't travel far from home. 翻译：他们不会离家远行。

They help people travel faster and farther. 翻译：它们帮助人们更快、更远地出行。

People could move across long distances. 翻译：人们能够长途出行了。

When I was young, most of the people used bicycles to travel. People didn't travel far from home. 翻译：我小时候，大多数人都骑自行车出行。人们不会离家远行。

Then came buses. People could move across long distances. I was excited the first time I took a bus! It was fast and could take me out of the village. 翻译：接着公交车出现了。人们能够长途出行了。我第一次坐公交车时很兴奋！它速度很快，能带我离开村子。

Then I travelled to our capital city by train! The train allowed more people to travel farther than ever before. In the early 1990s, it took me half a day to go to Beijing by train from Shijiazhuang. But now the high-speed trains only take about one hour. High-speed trains help people travel faster and farther. 翻译：然后我乘火车去了我们的首都！火车让更多的人能够比以往任何时候都去更远的地方。在20世纪90年代初，我从石家庄坐火车去北京花了半天时间。但现在高铁只需要大约一个小时。高铁帮助人们更快、更远地出行。

What transportation do you think will appear in the future? Share your ideas with your partner. 翻译：你认为未来会出现什么交通工具呢？和你的同伴分享一下你的想法。

Lesson 3 Computers and the internet 翻译：第3课 计算机与互联网

What do you like to do on the computer? Tick and talk with your partner. 翻译：你喜欢在计算机上做什么？勾选出来，然后和你的同伴聊一聊。

Take an online course. 翻译：参加在线课程。

Chat with friends. 翻译：和朋友聊天。

Send or receive emails. 翻译：发送或接收电子邮件。

Do homework search. 翻译：查询作业。

Other: ______ 翻译：其他：______

Read the conversation and answer the questions. 翻译：阅读对话并回答问题。

Jenny wants to do her homework on the computer. But her mum is using it. 翻译：珍妮想在计算机上做作业。但她妈妈正在使用它。

Mum, is it okay if I use the computer now? 翻译：妈妈，我现在可以用计算机吗？

Okay. I just finished my work, so it's all yours. Jenny, you're so lucky to have a computer. 翻译：可以。我刚完成我的工作，所以它现在归你了。珍妮，你能有一台计算机真是太幸运了。

Yes, I am. As it's connected to the internet, it has made study and research much easier. 翻译：是的。因为它连接了互联网，这让学习和研究变得容易多了。

This technology helps students a lot with their homework. But when I was a student, computers were not widely used. And the internet was not as convenient as it is now. I couldn't imagine having such a convenient tool for getting the job done. 翻译：这项技术对学生的作业有很大帮助。但当我还是学生的时候，计算机并没有被广泛使用。而且互联网也不像现在这么方便。我无法想象有这样方便的工具来完成作业。

Mum, how was homework done in those days? 翻译：妈妈，那些日子的作业是怎么做的？

Well, everything was written by hand on paper. When I didn't know how to spell a word, I had to look it up in a printed dictionary. When I needed to do any research, I had to go to the library. 翻译：嗯，所有东西都是手写在纸上的。当我不知道一个单词怎么拼写时，我不得不在印刷的字典里查找。当我需要做任何研究时，我不得不去图书馆。

But now with the internet we can simply search for everything online. And there's always new technology, like AI. 翻译：但现在有了互联网，我们可以直接在网上搜索所有东西。而且总有新技术出现，比如人工智能。

Yes, and you can easily find definitions and examples for any word. The internet and the computer are amazing inventions with many applications. 翻译：是的，你可以很容易地找到任何单词的定义和示例。互联网和计算机是具有许多应用的惊人发明。

I agree with you on that, Mum. 翻译：我同意你的看法，妈妈。

What does Jenny want to do on the computer? 翻译：珍妮想在计算机上做什么？

How did Jenny's mum do homework when she was a student? 翻译：珍妮的妈妈当学生时是怎么做作业的？

UNIT 5 翻译：第五单元

Read the sentences, pay attention to the parts in yellow and complete the passage. 翻译：阅读句子，注意标黄的部分并完成这段话。

But when I was a student, computers were not widely used. 翻译：但是当我还是学生的时候，电脑并没有被广泛使用。

Everything was written by hand on paper. 翻译：所有东西都是手写在纸上的。

When we use the passive voice to say a past thing, we use was/were + v-ed. 翻译：当被动语态用于描述过去的事情时，要使用“was/were + 动词的过去分词”。

Yesterday, I found an old book. It was on the top of the shelf. It was covered by some newspapers. The book was written by a famous writer. I opened the book and soon I was attracted by a photo in it. It was a photo of my grandfather. Now, many photos are taken on mobile phones. Looking at the old photo, I was brought back to the time I spent with my grandfather during my childhood. 翻译：昨天，我找到了一本旧书。它在书架的顶部。它被一些报纸盖着。这本书是一位著名作家写的。我打开书，很快就被里面的一张照片吸引住了。那是我祖父的照片。现在，很多照片都是用手机拍的。看着这张旧照片，我仿佛回到了童年和祖父一起度过的时光。

Read and complete the conversation. 翻译：阅读并完成对话。

What do you think of the internet? 翻译：你们觉得互联网怎么样？

I think the world was changed by the internet. 翻译：我认为世界被互联网改变了。

I agree with you. Some of the advantages are indeed wonderful. 翻译：我同意你的看法。它的一些优点确实很棒。

You're right. The internet is used everywhere. How does it help you? 翻译：你说得对。互联网的应用无处不在。它是怎么帮助你们的？

I like to find information about sports and technology. 翻译：我喜欢查找有关体育和技术的信息。

I like chatting with my friends online. The internet is a bridge between us. 翻译：我喜欢在网上和朋友们聊天。互联网是我们之间的桥梁。

I like doing research for my homework. There is so much information. It's important for us to tell the good from the bad. 翻译：我喜欢为我的作业做研究。网上有海量信息。对我们来说，区分好坏是很重要的。

Exactly, the internet helps us a lot, but it also has many disadvantages... 翻译：没错，互联网对我们帮助很大，但它也有很多缺点……

How does it help you? 翻译：它是怎么帮助你们的？

It's important for us to tell the good from the bad. 翻译：对我们来说，区分好坏是很重要的。

I think the world was changed by the internet. 翻译：我认为世界被互联网改变了。

The internet is a bridge between us. 翻译：互联网是我们之间的桥梁。

Lesson 4 Thank you, Mr Pasteur! 翻译：第4课 谢谢你，巴斯德先生！

Read the questions and give your answers. 翻译：阅读问题并给出你的答案。

Do you drink milk every day? Why? 翻译：你每天都喝牛奶吗？为什么？

Do you know how the milk we drink is processed? 翻译：你知道我们喝的牛奶是怎么加工的吗？

Read the passage and answer the questions. 翻译：阅读短文并回答问题。

While pouring a glass of milk, Jeremy notices something written on the package. 翻译：在倒牛奶时，杰里米注意到包装上写着些什么。

Hey, Mum! I just noticed a big word on the carton. PASTEURIZED. What does it mean? 翻译：嘿，妈妈！我刚刚注意到纸箱上有一个大大的词。巴氏杀菌法消毒。这是什么意思？

Well, if something is pasteurized, it means that it has gone through a process of heating to a certain temperature. 翻译：嗯，如果某物经过巴氏杀菌法消毒处理，意味着它经历了加热到特定温度的过程。

Why do we heat milk? 翻译：我们为什么要加热牛奶？

Raw milk has dangerous bacteria and germs. We must heat milk to 72 degrees Celsius for 15 seconds to kill them. 翻译：生牛奶含有危险细菌和病菌。我们必须将牛奶加热到72摄氏度并保持15秒来杀死它们。

How did people discover that? 翻译：人们是怎么发现这点的？

Many years ago, people sometimes got sick when they drank milk. Some of them even died because of the bad bacteria. 翻译：许多年前，人们喝牛奶有时会生病。有些人甚至因有害细菌而死亡。

Wow! Who created this heating process? A dairy farmer or a scientist? 翻译：哇！谁发明了这个加热过程？奶农还是科学家？

lt was Louis Pasteur, a French microbiologist. He discovered the process around 1864. 翻译：是法国微生物学家路易斯·巴斯德。他在1864年左右发现了这个过程。

That's a long time ago! 翻译：那都是很久以前的事了！

(She nods and adds.) Mr Pasteur was one of the greatest scientists. His work saved millions of lives around the world. He was famous for his work on germs. 翻译：（她点点头，补充道。）巴斯德先生是最伟大的科学家之一。他的工作成果拯救了全世界数百万人的生命。他因在细菌领域的研究而闻名。

(He raises his glass of milk in the air.) Well, here's a toast to you, Mr Pasteur. Thank you for making the world much safer. 翻译：（他举起牛奶杯）那么，为您干杯，巴斯德先生。感谢您让世界变得更安全。

UNIT 5 翻译：第五单元

According to the passage, what does the word "PASTEURIZED" mean? 翻译：根据短文内容，“PASTEURIZED”这个词是什么意思？

How did people know their milk needed to be heated? 翻译：人们是怎么知道他们的牛奶需要加热的？

How did Louis Pasteur's work make the world safer? 翻译：路易斯·巴斯德的研究是如何让世界变得更安全的？

Read the passage again and complete the paragraph with the correct forms of the words. 翻译：再读一遍短文，并用单词的正确形式完成段落。

invent 翻译：发明

get 翻译：得到

solve 翻译：解决

heat 翻译：加热

kill 翻译：杀害

Pasteurization is a process that keeps milk safe from harmful bacteria by heating it. In the past, people sometimes got sick or even died after drinking milk. To solve this problem, Pasteur invented the process of pasteurization around 1864. He invented the milk to 72 degrees Celsius and kept it at that temperature for 15 seconds. Harmful bacteria and germs in the milk were killed, and the milk became safer to drink. 翻译：巴氏杀菌法是一种通过加热使牛奶免受有害细菌侵害的方法。过去，人们喝牛奶后有时会生病甚至死亡。为了解决这一问题，巴斯德于1864年左右发明了巴氏杀菌法。他将牛奶加热至72摄氏度，并保持这一温度15秒。牛奶中的有害细菌和病菌被杀死，牛奶饮用起来更加安全。

Work in pairs. Discuss the following questions and take notes. 翻译：两人一组。讨论以下问题并做笔记。

What's your favourite invention? 翻译：你最喜欢的发明是什么？

Who invented it? 翻译：是谁发明的？

How did it change our lives? 翻译：它如何改变了我们的生活？

Write a passage to introduce an invention. 翻译：写一篇短文介绍一项发明。

Useful expressions 翻译：实用表达

It was invented by... 翻译：它是由……发明的

It was invented in... 翻译：它发明于……

It has made a great difference in my life/our lives. 翻译：它给我的生活/我们的生活带来了巨大变化。

Lesson 5 Refrigerator timeline 翻译：第5课 冰箱发展史

Project 翻译：项目

Read the timeline and tick the inventor of the first refrigerator. 翻译：阅读时间线并勾选出第一台冰箱的发明者。

1600 翻译：1600年

Ancient times: Ancient China, Greece, and Rome used ice or snow to preserve food by freezing or chilling it. 翻译：古代：中国古代、希腊和罗马使用冰或雪，通过冷冻或冷藏的方式来保存食物。

1600s: Icehouses were used to preserve food all year-round. 翻译：17世纪：冰库常年用来保存食物。

1700 翻译：1700年

1748: William Cullen did an experiment on artificial refrigeration. 翻译：1748年：威廉·卡伦对人工制冷进行了实验。

1800 翻译：1800年

1805: Oliver Evans designed the first refrigeration machine. 翻译：1805年：奥利弗·埃文斯设计了第一台制冷机。

1890s: Iceboxes became popular. They were smaller icehouses meant for home use. 翻译：19世纪90年代：冰柜流行起来。它们是供家庭使用的较小的冰柜。

1900 翻译：1900年

1913: Fred W. Wolf invented the first home electric refrigerator. 翻译：1913年：弗雷德·沃尔夫发明了第一台家用电冰箱。

1918: Mass production of home refrigerators began. 翻译：1918年：家用冰箱开始批量生产。

1920s: Refrigerators became popular in some countries. 翻译：20世纪20年代：冰箱在一些国家流行起来。

1940s: Freezer compartments were added. 翻译：20世纪40年代：增加了冷冻室。

2000 翻译：2000年

1980s: Water dispensers were added. 翻译：20世纪80年代：增加了饮水机。

1996: Refrigerators became more energy-saving. 翻译：1996年：冰箱变得更加节能。

William Cullen 翻译：威廉·卡伦

Oliver Evans 翻译：奥利弗·埃文斯

Fred W. Wolf 翻译：弗雷德·沃尔夫

UNIT 5 翻译：第五单元

Read the timeline again and circle the correct answers. 翻译：再读一遍时间线，并圈出正确答案。

When did refrigerators become popular in some countries? 翻译：冰箱是什么时候在一些国家流行起来的？

In the 1920s. 翻译：在20世纪20年代。

In the 1800s. 翻译：在19世纪。

In the 1980s. 翻译：在20世纪80年代。

What was true about using refrigerators in the 1990s? 翻译：关于20世纪90年代使用冰箱的情况，以下哪项描述正确？

A refrigerator was considered a luxury item. 翻译：冰箱被认为是奢侈品。

The running cost of a refrigerator is so high that no one could afford one. 翻译：冰箱的运行成本太高了，没有人买得起。

Energy-efficient refrigerators have become the new normal. 翻译：节能冰箱已经成为新常态。

Work in groups. Make a timeline together for an invention. 翻译：小组活动。一起为一项发明制定时间线。

Discuss and choose an invention. 翻译：讨论并选择一项发明。

Search the internet, check out books from the library, or visit a museum related to your topic. 翻译：搜索互联网，从图书馆借阅书籍，或参观与你们的主题相关的博物馆。

Choose an invention and share the information you have gathered. 翻译：选择一项发明并分享你们收集到的信息。

Make a list of events about that invention. 翻译：列出有关该发明的事件。

Create a framework 翻译：创建一个框架

Draw your timeline. 翻译：画出你们的时间线。

Choose a start and end point. 翻译：选择一个起点和终点。

Put the most important dates on the timeline. 翻译：将最重要的日期放在时间线上。

Fill in your timeline. 翻译：填写你们的时间线

Add details and important information about each event. 翻译：添加有关每个事件的细节和重要信息。

Write clearly and concisely. 翻译：书写要清晰简洁。

Add pictures. 翻译：添加图片。

Use the timeline to introduce the invention to your class. 翻译：使用时间线向全班介绍这项发明。

Understanding cultures 翻译：理解文化

Great inventions of ancient China 翻译：中国古代的伟大发明

Read the passage and answer the questions. 翻译：阅读短文并回答问题。

We all know the most significant inventions of ancient China — paper-making, printing, gunpowder, and the compass. However, Chinese people also made many other fascinating inventions. 翻译：我们都知道中国古代最重要的四大发明——造纸术、印刷术、火药和指南针。然而，中国人还创造了许多其他奇妙的发明。

Have you used the abacus? It was invented in China over 2,500 years ago. It became the primary tool used by merchants and bankers to calculate. 翻译：你用过算盘吗？它于2500多年前在中国发明，成为商人和银行家用于计算的主要工具。

Tofu originated in China. It is a good source of protein. Tofu is rich in minerals that are important for building strong bones and reducing the risk of some diseases. It has been an important part of Chinese cuisine for over 2,000 years and is now enjoyed worldwide. 翻译：豆腐起源于中国。它是蛋白质的优质来源。豆腐富含对强健骨骼和降低某些疾病风险至关重要的矿物质。2000多年来，它一直是中国饮食的重要组成部分，如今更风靡全球。

Tea making is another invention from China. It is said that Shennong, an ancient Chinese emperor, discovered tea when a tea leaf accidentally fell into a pot of boiling water. Today, tea is popular all over the world. 翻译：泡茶是中国的另一项发明。相传中国古代帝王神农偶然将茶叶落入沸水壶中时发现了茶。如今，茶在全世界都很流行。

The origins of porcelain can be traced back to the Han Dynasty in China. Porcelain quickly spread throughout China and reached other parts of the world. 翻译：瓷器的起源可追溯至中国汉朝。瓷器迅速传遍中国并走向世界其他地区。

UNIT 5 翻译：第五单元

Silk is another important Chinese invention. It is made from the cocoons of silkworms. The Silk Road was named after this valuable product. 翻译：丝绸是另一项重要的中国发明，它是由蚕茧制成的。丝绸之路是以这种珍贵产品命名的。

The Chinese inventions witnessed the brilliance of ancient Chinese scientists, inventors, and thinkers. Although hundreds of years have passed, these inventions continue to inspire and shape modern science and technology. 翻译：中国的发明见证了中国古代科学家、发明家和思想家的才华。尽管数百年已过，这些发明仍持续启发并塑造着现代科技发展。

Who discovered tea according to the passage? 翻译：根据短文内容，谁发现了茶？

There is another name for porcelain. What is it? 翻译：瓷器还有另一个名字。这是什么？

Read the passage again and fill in the blanks. 翻译：再读一遍短文并填空。

Abacus has a history dating back about 2,500 years. It once was the primary tool used by merchants and bankers to calculate. 翻译：算盘的历史可以追溯到约2500年前。它曾是商人和银行家用于计算的主要工具。

Tofu is a good source of protein and is rich in minerals that are important for people's health. 翻译：豆腐是蛋白质的优质来源，且富含对人体健康至关重要的矿物质。

Tea was discovered by Shennong, an ancient Chinese emperor when a tea leaf accidentally fell into a pot of boiling water. 翻译：茶由中国古代帝王神农发现。相传一片茶叶偶然落入沸水壶中，茶由此被发现。

The origins of porcelain can be traced back to the Han Dynasty and then became one of China's most famous exports. 翻译：瓷器的起源可追溯至汉代，后来成为中国最著名的出口商品之一。

Silk is made from the cocoons of silkworms and the Silk Road was named after this valuable product. 翻译：丝绸是由蚕茧制成的，而丝绸之路就是以这种珍贵的产品命名的。

There are many great inventions and innovations around the globe. Complete the table and talk with your partner. 翻译：全球有许多伟大的发明和创新。填写表格并和你的同伴聊一聊。

Country 翻译：国家

Inventions 翻译：发明

Influences 翻译：影响

Self-check 翻译：自我检测

I can talk about different kinds of inventions: 翻译：我能谈论不同种类的发明：

I believe the invention of paper has greatly influenced the development of human civilization. 翻译：我认为造纸术的发明极大地影响了人类文明的发展。

Modern means of transportation, such as high-speed trains and airplanes, help people travel faster and farther. 翻译：现代交通工具，如高铁和飞机，帮助人们更快更远地出行。

I know about inventions that drive social progress: 翻译：我知道推动社会进步的发明：

The development of transportation has made travelling much easier and faster. 翻译：交通的发展使出行变得更加便捷高效。

As it's connected to the internet, it has made study and research much easier. 翻译：因为它连接了互联网，这让学习和研究变得容易多了。

I can introduce my favourite invention: 翻译：我可以介绍我最喜欢的发明：

Every invention is a symbol of human creativity. 翻译：每一项发明都是人类创造力的象征。

It was invented in... 翻译：它发明于……

I can talk about great inventions of ancient China: 翻译：我能谈论中国古代的伟大发明：

We all know the most significant inventions of ancient China — paper-making, printing, gunpowder, and compasses. 翻译：我们都知道中国古代最重要的四大发明——造纸术、印刷术、火药和指南针。

Improvement needed: 翻译：仍需改进：

Fun time 翻译：趣味一刻

Thanks to electricity 翻译：多亏了电

Inventions and discoveries Have changed the modern world. Developing technologies Have changed the modern world. I will turn on the light, Thanks to electricity. I will turn on the light, Thanks to electricity. 翻译：发明和发现 改变了现代世界。 开发技术 改变了现代世界。 我会打开灯， 多亏了电。 我会打开灯， 多亏了电。