Unit 6 When was it invented Section B (2a—Self Check) 课件2025-2026学年人教版（2012）九年级英语全册

该初中英语课件围绕“一般过去时被动语态”核心知识点，通过运动讨论、发明物猜谜游戏等导入活动激活兴趣，从词汇（enough用法转换）到语法（被动语态、形式主语It）再到语篇（茶的传播历史），搭建循序渐进的学习支架。 其亮点在于融合语言能力与文化意识，如通过茶的历史传播语篇学习被动语态，渗透中外文化交流知识；思维品质方面，猜谜游戏和“谁发明、何时发明”问题链培养分析推断能力。采用任务型教学和语篇分析，学生能在真实语境中提升语言应用能力，教师可借助多样化活动提高教学效率。

Unit 6 When was it invented? The Fifth Period Section B (2a—Self Check) Lead-in Do you like this sport? Talk about with your partners about it. 2a Do you like basketball? Do you watch basketball games? How much do you know about this sport? Discuss the sport with your partner and share your ideas with the class. 课文呈现 Grammar Focus When was the zipper invented? It was invented in 1893. Who was it invented by? It was invented by Whitcomb Judson. When was tea brought to Korea? It was brought to Korea during the 6th and 7th centuries. What is the hot ice- cream scoop used for? It’s used for serving really cold ice- cream. Active Voice:Alexander Graham Bell invented the telephone in 1876. Passive Voice:The telephone was invented (by Alexander Graham Bell) in 1876. 课文呈现 4a. Rewrite the sentences using the passive voice. 1.They sold the fridge at a low price . ① The fridge was sold at a low price. 2.Somebody stole my camera from my hotel room.② _ 3.Where did you take these photos? _ My camera was stolen from my hotel room by somebody. Where were these photos taken by you? 课文呈现 4.Our parents advised us not to go out alone. _ 5.Different writers translated the book into different languages. ③ _ _ We were advised not to go out alone by our parents. The book was translated into different languages by different writers. 课文呈现 It is believed that tea was brought to Korea and Japan during the 6th and 7th centuries. In England,tea didn’t appear until around 1660,but in less than 100 years,it had become the national drink. The tea trade from China to Western countries took place in the 19th century. ⑥This helped to spread the popularity of tea and the tea plant to more places around the world. Even though many people now know about tea culture,the Chinese are without doubt the ones who best understand the nature of tea. ⑦ 课文呈现 文章结构:时间层进式 P1 the invention of tea P2 Lu Yu and his book P3 the spread of tea Some morden inventions Could you list some modern inventions in our daily life? Lead-in What are these inventions? Who was the ... invented by? Guessing Game Karl Benz Bell J. L. Baird John Atanasoff telephone car television computer It was invented by ... . When were they invented? Do you like eating potato chips? The history of potato chips If a thing is worth doing it is worth worth doing well enough常可以和词组so-that,too-to转换。 他跑得不够快,赶不上其他人了。 He didn’t run fast enough to catch up with the others. He ran so slowly that he couldn’t catch up with the others. He ran too slowly to catch up with the others. If a thing is worth doing it is worth worth doing well It is said that a Chinese ruler called Shen Nong was the first to discover tea as a drink. One day Shen Nong was boiling drinking water over an open fire. Some leaves from a tea plant fell into the water and remained there for some time. it是形式主语 过去分词短语作后置定语 It is said that … 据说… 拓展:It is believed that … 人们认为/相信…… 落入fall-fell-fallen A few thousand years later, Lu Yu, “the saint of tea”, mentioned Shen Nong in his book Cha Jing. The book describes how tea plants were grown and used to make tea. It also discusses where the finest tea leaves were produced and what kinds of water were used. What are they used for? They are used for changing the style of the shoes. Make conversations using the information in 2b. 2c style n. 样式,款式 out of style 过时的;in style 时尚的 15 What are they used for? They are used for seeing in the dark when you get up at night. Make conversations using the information in 2b. 2c 16 Rewrite the sentences using the passive voice. 4. Our parents advised us not to go out alone. 5. Different writers translated the book into different languages. We were advised not to go out alone by our parents. The book was translated into different languages by different writers. v. 翻译 Grammar 4a Grammar Focus~4c 17 Complete the sentences with the correct forms of the verbs in the box. eat lock like ring invite break tell bring 1. You _ to the party last night, weren’t you? Why didn’t you go? 2. The earthquake happened all of a sudden, but luckily the villagers _ to a safe place. were invited were brought v. (使)发出钟声或铃声;打电话 v. 锁上;锁住 n. 锁 n. 地震 突然;猛地 Grammar 4b Grammar Focus~4c 18 【语境领悟】I missed the school bus by mistake this morning. 今天早上我无意中错过了校车。 I took your pen by mistake. 我错拿了你的钢笔。 mistake 1. n. 错误。make a mistake/make mistakes犯错误 I used to make mistakes in spelling.我过去常常犯拼写错误。 2. v. 弄错; 误解 You mistook my meaning entirely.你完全误解了我的意思。 mistake ... for ... 错把……当成…… Don't mistake me for an American.不要把我误会成美国人。 2、by mistake为介词短语,意为“无意中;错误地”,相当于accidentally。 — Excuse me, sir. Are you sure the umbrella in your hand belongs to you? — Oh, sorry. I took it _. Mine is over there, under the chair. A. at once B. on time C. by mistake D. in all The high-speed railway _ in this city last year. It is easier for people to travel now. A. will build B. will be built C. was built D. built 单选 C C 一、 根据语境及所给汉语提示,写出所缺单词。 1. The bus will run on _ (电) and solar power. 2. You can try this blouse on. It is the newest _ (款式). 3. —I’d like you to help me with the _ (项目) next week. —No problem. I’ll be free then. project style electricity 当堂检测 4. This is a(n) _ (网站) for people to learn languages. 5. Bert felt very proud to work with the _ (先驱) of medical technology. 6. Sue said that all the names of our class were _ (列表) here. 7. He didn’t show any _ (高兴) when I offered to go with him. 8. We thought Carl would say a lot about his experiences in South Africa, but he didn’t _ (提到) them at all. pleasure website pioneers listed mention 3.The tea trade from China to Western countries took place in the 19th century. take place 发生;出现。 常指事先安排或事发有因的事情。 happen 发生。常指偶然发生的事情。 23 一、一般过去时被动语态 由“was/were+及物动词的过去分词”构成。被动语态的时态变化只改变be的形式,过去分词部分不变。疑问式和否定式的变化也是如此 24 $