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Unit 1 When was it invented 重点短语句子知识清单
English 汉语意思
Welcome to the Unit 单元导入
短语： 短语：
talk about the history of inventions 谈论发明的历史
passive voice (past tense) 一般过去时被动语态
scientific inventions 科学发明
daily necessities 日常用品
technological progress 技术进步
句子： 句子：
When was the zipper invented 拉链是什么时候发明的？
We use the passive voice to talk about who invented something or when it was created. 我们用被动语态谈论某物的发明者或发明时间。
Many great inventions have changed the way we live. 许多伟大的发明改变了我们的生活方式。
It is important to learn about the history of famous inventions. 了解著名发明的历史很重要。
How do inventions make our daily life easier 发明如何让我们的日常生活更便捷？
Section A A部分
短语： 短语：
shoes with special heels 带特殊鞋跟的鞋子
hot ice-cream scoop 热冰淇淋勺
run on electricity 靠电运行
change the style 改变样式
have a point 有道理
by accident 偶然；意外地
boil drinking water 煮饮用水
remain in the water 留在水中
produce a nice smell 产生宜人的气味
be used for serving 用于盛放
句子： 句子：
What are the shoes with special heels used for 带特殊鞋跟的鞋子是用来做什么的？
They are used for changing the style of the shoes. 它们是用来改变鞋子样式的。
The hot ice-cream scoop runs on electricity and is used for serving really cold ice-cream. 热冰淇淋勺靠电运行，用于盛放极冷的冰淇淋。
When was the zipper invented It was invented in 1893. 拉链是什么时候发明的？它发明于1893年。
Who was it invented by It was invented by Whitcomb Judson. 它是由谁发明的？它是由惠特科姆·贾德森发明的。
Tea was invented by accident. Some tea leaves fell into boiling water and produced a nice smell. 茶是偶然发明的。一些茶叶掉进沸水里，产生了宜人的气味。
The zipper wasnt used widely when it was first invented. 拉链刚发明时并没有被广泛使用。
Can you think of any other inventions that were invented by accident 你能想到其他偶然发明的东西吗？
The pioneer of the zipper listed his invention on a website. 拉链的先驱者在一个网站上列出了他的发明。
This invention is so useful that its used almost everywhere in daily life. 这项发明非常实用，在日常生活中几乎随处可见。
Section B B部分
短语： 短语：
the saint of tea 茶圣
Cha Jing 《茶经》
describe the growth of tea plants 描述茶树的种植
discuss the finest tea leaves 探讨优质茶叶
be brought to Korea and Japan 被传入朝鲜和日本
the tea trade 茶叶贸易
spread the popularity of tea 传播茶的普及度
by mistake 错误地；无意中
cut sth. really thin 把某物切得很薄
cook until crispy 煮到酥脆
put lots of salt 放很多盐
divide ... into two teams 把……分成两组
get the ball in the other teams basket 把球投入对方篮筐
stop the competing team 阻止对方球队
look up to 钦佩；仰慕
professional basketball player 职业篮球运动员
句子： 句子：
It is said that Shen Nong was the first to discover tea as a drink. 据说神农是第一个发现茶可以饮用的人。
Lu Yu, the saint of tea, mentioned Shen Nong in his book Cha Jing. 茶圣陆羽在他的《茶经》中提到了神农。
Tea was brought to Korea and Japan during the 6th and 7th centuries. 茶在6至7世纪传入朝鲜和日本。
The tea trade from China to Western countries took place in the 19th century. 中国与西方国家的茶叶贸易发生在19世纪。
Potato chips were invented by mistake by a cook called George Crum. 薯片是由一位名叫乔治·克拉姆的厨师偶然发明的。
The customer thought the potatoes were not thin enough, so George cut them really thin. 顾客认为土豆不够薄，所以乔治把它们切得很薄。
Basketball was invented by James Naismith, a Canadian doctor. 篮球是由加拿大医生詹姆斯·奈史密斯发明的。
The first basketball game in history was played on December 21, 1891. 历史上第一场篮球比赛于1891年12月21日举行。
Basketball became an Olympic event in Berlin in 1936. 1936年，篮球在柏林成为奥运会项目。
Many young people look up to basketball heroes and want to become like them. 许多年轻人钦佩篮球英雄，并希望成为像他们一样的人。
Grammar & Word Power 语法与词汇拓展
短语： 短语：
past tense passive voice (was/were + done) 一般过去时被动语态（was/were + 过去分词）
active voice → passive voice 主动语态变被动语态
句子： 句子：
Alexander Graham Bell invented the telephone in 1876. → The telephone was invented by Alexander Graham Bell in 1876. 亚历山大·格雷厄姆·贝尔于1876年发明了电话。→ 电话于1876年由亚历山大·格雷厄姆·贝尔发明。
Somebody stole my camera from my hotel room. → My camera was stolen from my hotel room. 有人从我的酒店房间偷走了相机。→ 我的相机从酒店房间被偷走了。
Where did you take the photos → Where were the photos taken 你在哪里拍的这些照片？→ 这些照片是在哪里拍的？
The guide warned them not to climb the mountain in bad weather. → They were warned not to climb the mountain in bad weather. 导游警告他们不要在恶劣天气爬山。→ 他们被警告不要在恶劣天气爬山。
Different writers translated the book into different languages. → The book was translated into different languages by different writers. 不同的作家把这本书翻译成了不同的语言。→ 这本书被不同的作家翻译成了不同的语言。
The cookies were eaten by the hungry kids in less than 20 minutes. 饼干在不到20分钟内就被饥饿的孩子们吃完了。
The door was locked when we arrived, so we didnt get in. 我们到达时门是锁着的，所以没能进去。
Integration 综合运用
短语： 短语：
write a description of a new invention 描述一项新发明
introduce the history of an invention 介绍一项发明的历史
role-play about inventions 角色扮演关于发明的对话
句子： 句子：
Lets work in groups to introduce the history of a famous invention to the class. 我们小组合作，向全班介绍一项著名发明的历史吧。
Imagine you are an inventor. Write a description of your new invention and try to sell it. 假设你是一名发明家，描述你的新发明并尝试推销它。
This special pen was invented by me. It can record sounds and help students take notes quickly. 这支特殊的钢笔是我发明的。它能录音，帮助学生快速记笔记。
When introducing an invention, we should talk about who invented it, when it was invented and what it is used for. 介绍发明时，我们应该谈论它的发明者、发明时间和用途。
The invention of basketball not only brought fun to people but also encouraged teamwork. 篮球的发明不仅给人们带来了乐趣，还促进了团队合作。
Have you ever thought about improving an existing invention to make it more useful 你有没有想过改进一项现有发明，让它更实用？
Lets role-play a conversation between an inventor and a reporter, talking about the invention process. 我们角色扮演发明家与记者的对话，谈论发明过程吧。

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