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Unit 6 When was it invented 重点短语句子知识清单
Section A Section A
短语： 短语：
be invented 被发明
by accident 偶然；意外地
by mistake 错误地；无意中
have a point 有道理
daily life 日常生活
be used for 被用于……
be used to do 被用来做……
electricity 电；电能
shoe heel 鞋跟；足跟
hot ice-cream scoop 热冰淇淋勺
take place 发生；举行
according to 根据；按照
fall into 落入；陷入
the nature of tea 茶的本质
passive voice (past tense) 被动语态（过去时）
句子： 句子：
When was the telephone invented 电话是什么时候被发明的？
It was invented in 1876. 它是在1876年被发明的。
Who was the zipper invented by 拉链是被谁发明的？
It was invented by Whitcomb Judson. 它是由惠特科姆·贾德森发明的。
What is the hot ice-cream scoop used for 这个热冰淇淋勺是用来做什么的？
It’s used for serving really cold ice-cream. 它是用来舀非常凉的冰淇淋的。
Tea was invented by accident. 茶是偶然被发明的。
Some leaves from a tea plant fell into the water and remained there for some time. 茶树的一些叶子落入水中，并在那里停留了一段时间。
When was tea brought to Korea 茶是什么时候被传到韩国的？
It was brought to Korea during the 6th and 7th centuries. 它在6到7世纪期间被传到了韩国。
People believe that tea was first drunk about 5,000 years ago. 人们认为茶最早在大约5000年前被饮用。
Section B Section B
短语： 短语：
potato chips 薯片
crispy and salty 酥脆且咸的
divide ... into 把……分开
look up to 钦佩；仰慕
not only ... but also ... 不但……而且……
without doubt 毫无疑问；的确
all of a sudden 突然；猛地
basketball court 篮球场
professional basketball player 职业篮球运动员
the Olympics 奥林匹克运动会
national treasure 国宝
spread to 传播到；传到
句子： 句子：
Potato chips were invented by mistake. 薯片是偶然被发明的。
George Crum cut the potatoes really thin and cooked them until they were crispy. 乔治·克拉姆把土豆切得很薄，煮到酥脆。
Basketball is a much-loved and active sport that is enjoyed by many. 篮球是一项深受喜爱的热门运动，很多人都喜欢。
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。
It became an Olympic event in 1936 in Berlin. 它在1936年柏林奥运会上成为正式比赛项目。
Players on the same team must work together to get the ball in the other team’s basket. 同一队的球员必须合作，把球投进对方的篮筐。
The popularity of basketball has risen around the world. 篮球在全世界的受欢迎程度已经提高。
Many young people look up to basketball heroes and want to become like them. 很多年轻人钦佩篮球英雄，想要成为像他们一样的人。
These stars encourage young people to work hard to achieve their dreams. 这些明星鼓励年轻人努力实现自己的梦想。
Grammar Focus Grammar Focus
短语： 短语：
passive voice (past tense) 被动语态（一般过去时）
active voice vs passive voice 主动语态与被动语态
句子： 句子：
Active: Alexander Graham Bell invented the telephone in 1876. 主动：亚历山大·格雷厄姆·贝尔于1876年发明了电话。
Passive: The telephone was invented (by Alexander Graham Bell) in 1876. 被动：电话于1876年（由亚历山大·格雷厄姆·贝尔）发明。
Active: People grow tea in Hangzhou. 主动：人们在杭州种茶。
Passive: Tea is grown (by people) in Hangzhou. 被动：茶在杭州（由人们）种植。
Active: They sold the fridge at a low price. 主动：他们以低价出售了这台冰箱。
Passive: The fridge was sold at a low price. 被动：这台冰箱以低价被出售。
Active: Someone stole my camera from my hotel room. 主动：有人从我的酒店房间偷走了我的相机。
Passive: My camera was stolen from my hotel room. 被动：我的相机从酒店房间被偷走了。
When was the model plane made 这个模型飞机是什么时候做的？
It was made last week. 它是上周被制作的。
Who were these books written by 这些书是被谁写的？
They were written by Mo Yan. 它们是由莫言写的。
*Project *Project
短语： 短语：
introduce an invention 介绍一项发明
talk about the history of inventions 谈论发明的历史
the purpose of invention 发明的目的
change the world 改变世界
share invention stories 分享发明故事
句子： 句子：
Let’s introduce an important invention and talk about its history. 我们来介绍一项重要的发明，并谈论它的历史吧。
The computer is one of the greatest inventions in the 20th century. 电脑是20世纪最伟大的发明之一。
It was first invented to help people calculate quickly. 它最初被发明是为了帮助人们快速计算。
Now computers are used in almost every field, such as education, business and medicine. 现在电脑被用于几乎所有领域，比如教育、商业和医疗。
The invention of the Internet has changed people’s daily lives greatly. 互联网的发明极大地改变了人们的日常生活。
Let’s share stories about accidental inventions with the class. 我们和全班分享关于偶然发明的故事吧。
Inventions not only make our lives easier but also push society forward. 发明不仅让我们的生活更便捷，还推动社会进步。
We should learn from inventors’ spirit of creativity and perseverance. 我们应该学习发明家的创新精神和坚持不懈的品质。

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