Unit6 When was it invented SectionB3a-Self check 课件2024-2025学年人教版英语九年级全册

Section B 3a-Self check Unit6 When was it invented? 一、在语境中理解、掌握以下词汇： nearly, ruler, boil,remain,smell,national,trade,doubt, take place,not...until;by accident 二、通过学习，掌握以下句型： 1.It is said that .... 2.It is believed that ... 3.Tea didn't appear until around 1660. 三、通过阅读文章，进一步理解被动语态表达发明和创造的方法。 四、运用略读，找读的阅读策略快速了解文本大意；通过细读完成阅读；通过研读文本，学会自主学习。 五、通过阅读文章，进一步了解中国五千年博大精深的文化，激发学生创新能力。 2 Next year, I’m going to…… I think eating ____ _____ is important …… / I think it is important for…/ I think … can… so I’m going to ……. I think this will also…..(make ____ ___). 3 Next year, I’m going to… I think ……is…./ I think it is important to … / I think… can… so I’m going to… read for 30 minutes every day. read 3 4 times a week WritingWriting Problem: ________________________ New invention: ____________________ What it is used for: _________________ Think of something that you do not like to do. Then think of an invention that could help you. Make notes. a special pen quickly taking notes in class taking notes in class 3a “新目标英语工作室”(http://www.21cnjy.com/book.php?mod=studio&op=detail&stid=13)主要作品为新目标初中英语7年级至9年级的课件、教案、学案、单元测试卷、月考卷、期中试卷、期末试卷、题库等相关教学资料, 欢迎下载！更多英语资料请参阅“作者个人文集”http://www.21cnjy.com/space.php?uid=1049033,精品资料版权已授予所有，严禁一切形式的转载，违者必究！！！ This special pen was invented by Liu Jie. It has three colors and is used for …. Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class. 3b “新目标英语工作室”(http://www.21cnjy.com/book.php?mod=studio&op=detail&stid=13)主要作品为新目标初中英语7年级至9年级的课件、教案、学案、单元测试卷、月考卷、期中试卷、期末试卷、题库等相关教学资料, 欢迎下载！更多英语资料请参阅“作者个人文集”http://www.21cnjy.com/space.php?uid=1049033,精品资料版权已授予所有，严禁一切形式的转载，违者必究！！！ 常用句型： 1. I think … is a very useful invention. 我认为……是一项很有用的发明。 2. … was invented by … ……是由…… (某人)发明的 3. … was invented in … ……是在…… (某时间)发明的 4. It was used for … 它被用来…… 5. … is made of ……… 是由……(材料)制成的 “新目标英语工作室”(http://www.21cnjy.com/book.php?mod=studio&op=detail&stid=13)主要作品为新目标初中英语7年级至9年级的课件、教案、学案、单元测试卷、月考卷、期中试卷、期末试卷、题库等相关教学资料, 欢迎下载！更多英语资料请参阅“作者个人文集”http://www.21cnjy.com/space.php?uid=1049033,精品资料版权已授予所有，严禁一切形式的转载，违者必究！！！ 3c. Use your notes to write three more paragraphs about your resolutions. In each paragraph, write what you are going to do and why. The first resolution is about improving my physical health. _______ _______________________________________________________ _______________________________________________________. The second resolution is about improving relationships with my family and friends. _______________________________________ _______________________________________________________. The third resolution is about how to do better at school. _________ _______________________________________________________ _______________________________________________________. 1.一般过去时的被动语态结构式： 　（1）肯定句：主语+ was /were+ 动词的过去分词 +(by+人称代词宾格)+ 其他 　　eg：English was studied (by us)every day. 　（2）否定句：主语+ was /were+ not + 动词的过去分词 +(by+人称代词宾格)+ 其他 　　eg：English was not studied (by us)every day. 语法焦点 一般过去时态的被动语态 2.一般过去时的被动语态结构式： 　（3）疑问句：Be(Was/Were)+主语+动词的过去分词+（by+人称代词宾格）+其他+？ 　　eg：Was English not studied (by us)every day? 　（4）特殊疑问句：What/Where/ When +was /were +主语+动词的过去分词+ 其他? 语法焦点 一般过去时态的被动语态 2.被动语态需要注意的几个方面: 　　(1)在主动句中,使役动词make，let，have,感官动词 see，hear，feel，watch，notice等后接省略to的动词不定式作宾语补足语，在变成被动语态时,后面的不定式需加上“to”。 　　eg: My mother makes me get up early every day. 　　= I am made to get up early every day by my mother. 　(2)有些词,如系动词taste, feel, look, sound等常用主动语态表达被动的意思。　eg: The voice sounds nice. 语法焦点 一般过去时态的被动语态 2.被动语态需要注意的几个方面: 　　(3)主动语态的句中若有双宾语,变被动语态时，可将间接宾语(人）变为被动句的主语,而把直接宾语（物）留作被动句的宾语；或把主动句的直接宾语变为被动句的主语。此时间接宾语前常用介词for或to等来连接。 　　eg: He bought me a book. 　　　=I was bought a book by him. 　　　=A book was bought for me by him. 　 语法焦点 一般过去时态的被动语态 2.被动语态需要注意的几个方面: 　　(4)有些动词，如happen, belong等没有被动语态。　　　　　　 　　eg: The bike belongs to me.这辆自行车属于我。 　 语法焦点 一般过去时态的被动语态 2024/11/1 19 It is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may ______ things which are _______ the same. It’s hard to tell who came up with the idea first. Some inventions can also lead to other inventions ____________. 1 complete the passage with the correct forms of the words in the box. invent doubt mention Nearly website all of a sudden invent nearly all of sudden 2024/11/1 20 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. doubt websites mention 2024/11/1 21 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? ______________________________________ 4. They asked us not to run in the hallway. ______________________________________ 5. Someone took the video back to the store. ______________________________________ My watch was stolen by someone. Five eggs were used to make this big cake. When was the personal computer invented? We were asked not to run in the hallway. We were asked not to run in the hallway. 2024/11/1 22 3 Find out information about an invention you would like to know more and write sentences below. Invention: _____________ When: ________________ Who: _________________ Purpose: ______________ (　　)1.The soup is not________ enough.Add some salt，please. A．sweet B．sour C．salty D．crispy (　　)2.—What do you think of this football match? —I've no idea.But________ is believed that the Spanish team will win. A．that B．this C．which D．it (　　)3.Mr.Zhang left for America in 1998，and he didn't return home ________ 2002. A．unless B．when C．until D．since C D C (　　)4.The basketball game was invented by a Canadian doctor ________ James Naismith. A．was called B．to call C．called D．calling (　　)5.—I saw Wang Fang ________ to the old people's home yesterday. —I hear she volunteers to look after the old. A．going B．goes C．to go D．went (　　)6.—Do you know________？ —In the 6th century. A．when is the abacus invented B．when the abacus is invented C．when was the abacus invented D．when the abacus was invented C A D 按要求改写下列各句。 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) ____________________________________ These trees were planted (by us) in 1997. A cake was made by him yesterday. 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) ______________________________________________ 5. She was helped by all the people.(改成一般疑问句) _______________________________________________ Some advice was given to the students by the teacher. I saw him read a book in his room. Was she helped by all the people? 根据中英文提示完成句子。 1. 根据历史记载, 纸是由蔡伦发明的。 ______________ history, paper ___________ by Cai Lun. 2. 大约三千年前风筝在中国就被人使用了。 Kites_____________ in China about 3,000 years ago. According to was invented were used 3. 这个书架是木头做的。 This bookshelf _________________ wood. 4. 这部电影是由冯小刚导演的。 This film ______________________ Feng Xiaogang. is made of was directed by eq \x(话题概述) 本单元谈论的话题是“发明”，针对该话题常考的角度有：介绍一位熟悉的发明家，介绍、评价、设想一项发明等。文体多为说明文，时态方面一般现在时、一般过去时和一般将来时均有可能涉及，人称多采用第三人称。该话题的学习有助于学生了解新的科技的发展，培养他们的科学意识和创造意识，也有益于学生学习发明家不畏艰难、勇于探索的精神。 eq \x(表达储备) 1．The telephone was invented by Alexander Graham Bell. 2．Did you know that tea, the most popular drink in the world (after water), was invented by accident? 3．It is believed that tea was brought to Korea and Japan during the 6th and 7th centuries. 4．Even though many people now know about tea culture, the Chinese are without doubt the ones who best understand the nature of tea. 5．One of the world's favorite drinks was discovered by accident. 6．My favorite invention is computer. eq \x(典题呈现) 为了激发青少年的想象力和创造力，学校鼓励学生们发明创造，并将自己的科技小发明在学校举办的年度科技节上展出。今年，你将要携带自己的发明——可调节的簸箕，参加校科技节。请你根据下面所给的提示，写一篇短文介绍你的科技小发明。 提示： 1．发明的原因：妈妈个子比较高，扫地时弯腰很累； 2．可调节的簸箕；手柄可以调节长度； 3．你的愿望：希望这项发明可以大量生产，帮助更多的人。 要求：1.包含所给出的要点； eq \x(写作指导) 作文提纲： eq \x(开篇点题)―→Here/This is my new invention.../My invention is a．.. eq \x(具体介绍)―→·It looks like a normal one.../It has a special handle. ·The handle can be adjusted. eq \x(表达愿望)―→...a large number of... It will be produced... eq \x(佳作示范) An adjustable dustpan This is my new invention—an adjustable dustpan. I think it can be widely used in our daily life. I came up with the idea because of my mother.My mother is tall，so she always feels tired when she bends down to use the normal dustpan. After doing some study, I invented this adjustable dustpan for her. It looks like a normal one but it has a special handle.It can be adjusted longer or shorter according to the users' need. Without doubt, I think it is my best invention.I hope a large number of adjustable dustpans will be produced to help more people. $$