Unit 6 Section B 3a～ Self Check 第六课时课件 2025-2026学年人教版九年级英语全册

Unit6 When was it invented? Section B 3a-check 科技智创未来 Objectives 1.语言能力： 正确使用有关词汇和被动语态结构，介绍发明物品的背景和用途等。 2.文化意识： 鼓励学生热爱科学、勇于探索，发散思维，大胆想象，保持对科学发明探索的热爱。 3.思维品质： 通过总结归纳本单元所学发明物以及拓展趣味小发明，开阔学生的眼界， 培养学生的创造精神。 4.学习能力： 1.学会使用被动语态介绍某项发明。 2.掌握写作的谋篇布局，要点抓取等写作技能。提纲挈领，塑造作文框架来进行英语写作，提升写作能力。 The TV was invented in... When were they invented? What inventions have we learned in this unit? The hot ice- cream scoop is used for.... What are they used for? What inventions have we learned in this unit? The zipper was invented by.... Who were they invented by? What inventions have we learned in this unit? Great inventions have a big influence on our life. Basketball was invented by a _________ doctor in the 19th century. When he was a college teacher,he ________ to think of a game that could be played in the winter on a ______ floor. The men were___________ two teams to play. They ____________ to get the ball in the other team’s basket. At the same time, they need to ____ the competing team from ______ the ball into their own basket. The popularity of basketball has _____ around the world, with many young people ____________ becoming famous players.Basketball has ________become a popular sport to play,________has become a popular sport to watch.The NBA and CBA are very popular.Many young people _________these basketball heroes and want to become like them. These stars __________ young people to work hard to ________their dreams. Canadian was asked hard who when why divided into work together stop getting how risen dreaming of not only but also look up to encourage achieve the influence Most inventions are invented to solve people’s problems. Do you like them? Are they creative and useful? ·Problem: __________________________ ·New invention: _____________________ ·What it is used for: ___________________ a special pen quickly taking notes in class taking notes in class 3a Think of something that you do not like to do. Then think of an invention that could help you. Make notes. Can you think of more details about this pen? What does it look like? What is it made of？ How can it help you? What special things does it have? Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class. 3b This special pen was invented by Liu Jie. It has three colors and is used for … 科技智创未来 01 02 03 04 1 2 3 beginning body ending who when why what appearance& material&usage how feelings& influence object&person& time&problem what This special pen was invented by me last year . Students often have difficulty in taking notes. That’s why I invented it. It has three colors and looks like a common pen.It’s made of plastic and steel.It is used for taking notes quickly.It is very useful if you have a lot to write down. The pen can store(储存) a list of common words that you often use. When you are writing, you just need to write the short forms with the pen.If you press a button(按下按钮) on the pen, the related words will be written down. Besides, it makes it possible for me to record what the teacher say in class. Without doubt,it makes a big difference to me, because I am not worried about taking notes . Don’t you think it’s cool?Don’t miss it ! You can have it for only 20 dollars. What invention is it? Who/When was it invented(by)? Why was it invented? What does it look like? How can it work? What is it used for? Questions What is it made of? What’s its influence? How much is it? This special pen was invented by me last year. Students often have difficulty in taking notes.That’s why I invented it. It has three colors and looks like a common pen.It’s made of plastic and steel.It is used for taking notes quickly.It is very useful if you have a lot to write down. The pen can store(储存) a list of common words that you often use. When you are writing, you just need to write the short forms with the pen.If you press a button(按下按钮) on the pen, the related words will be written down. Besides, it makes it possible for me to record what the teacher say in class. Without doubt,it makes a big difference to me,because I am not worried about taking notes. Don’t you think it’s cool?Don’t miss it ! You can have it for only 20 dollars. 描述商品的外观，功能， 材料,影响用现在时。 描述商品何时，由谁发明要用过去时。 A special ..... object& person& time&problem appearance& material&usage feelings& influence XXX was invented by....in..... have problems/difficulties in.... I always worry about.... It looks like.../is in the shape of/red It’s made of/from.... It’s used for/to do... It can not only …, but also … The popularity of...has risen.... It makes it possible for sb.to do sth. It has a great influence on..... It makes a big difference to.... Small inventions would change the world. Be a great inventor! Change the world! 2. Problem: ___________________________ New invention: ______________________ What it is used for: __________________ 3. Problem: ___________________________ New invention: ______________________ What it is used for: ____________________________________ ____________________________________ a special clock getting up early waking me up doing homework a robot explaining knowledge to me It can be my favorite homework partner. More inventions 假如你有一项新发明,请以A special…为题介绍一下你的新发明，并将它推销给你的同学们。词数80-100。开头已给出，不计入总词数。 内容包括：1.发明物；发明人；时间；发明原因 2.外观；材料；用途；如何使用 3.你的使用感受&它对人们的影响 项目 标准 自我评价 同伴评价 教师评价 结构 （1-3分） 段落合理(3段)，结构完整 衔接自然 内容 （6-7分） 要点：1.发明物;发明人；时间；发明原因 2.外观；材料；用途；如何使用 3.你的使用感受&它对人们的影响 语言 （3-4分） 句法正确，语言优美,内容丰富 卷面 （1分） 书写工整 时态： 语态： 文体： 人称： 一般过去/现在时为主 说明文 第三人称为主，第一人称为辅 被动语态/主动语态 Self-check 1. Complete the passage with correct forms of the words in the box. invent doubt mention website all of a sudden It is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may ______ things which are nearly the same. It’s hard to tell who came up with the idea first. invent Some inventions can also lead to other inventions ______________. So some people _________ whether the inventor came up with the idea himself or herself. They think that the inventor used someone else’s idea to create his or her invention. That is why books or ________ usually _________ more than one inventor when giving information about inventions. all of a sudden doubt websites mention 导致 想出；提出 2. Rewrite these sentences using the passive voice. 1. Someone stole my watch. _______________________________________ 2. They used five eggs to make this big cake. _______________________________________ 3. When did they invent the personal computer? _______________________________________ My watch was stolen (by someone). Five eggs were used to make this big cake. When was the personal computer invented? 4. They asked us not to run in the hallway. ___________________________________________ 5. Someone took the video back to the store. ____________________________________________ We were asked not to run in the hallway. The video was taken back to the store (by someone). 一.用所给单词的恰当形式填空。 The first paper __________ (make) in China in 105 AD. It’s believed that making paper _____________ (invent) by Cai Lun. 3.In 610,Paper making ______________ (introduce) into Japan. 4.Kites ___________ (know) in China about 3,000 years ago. 5. Wheelbarrows ____________ (invent) in Han Dynasty. 6. Gunpowder _______________ (discover) by the Chinese hundreds of years ago. was made was invented was introduced were known were invented was discovered Exercises 二.按照要求改写句子。 1. We planted these trees in 1997. (改成被动语态) _______________________________________ 2. He made a cake yesterday. (改成被动语态) ____________________________________ 3. The teacher gave the students some advice. (改成被动语态) ____________________________________________________ 4. He was seen to read a book in his room. (用I作主语, 改为主动语态) ____________________________________________________ These trees were planted (by us) in 1997. A cake was made by him yesterday. Some advice was given to the students by the teacher. I saw him read a book in his room. $