人教版九年级英语 Unit6 When was it invented 重点知识精炼总结

新目标九年级Unit 6 When was it invented? 讲义一、词性转换Section A1. electricity → (adj.) electric2. pleasure → (adj.) pleased3. accidental → (n.) accident4. ruler → (v.) rule5. boil → (adj.) boiling/ boiled6. national → (n.) nation7. low → (反义词.) high8. translate → (n.) translation9. sudden → (adv.) suddenly10. musical → (n.) music 11. instrument → (n.) instrumental Section B12. salty → (n.) salt13. Canadian → (n.) Canada14. divide → (n.) division15. popularity → (adj.) popular16. hero → (adj.) heroic17. professional → (n.) profession二、短语归纳1. the style of……的样式2. such a great invention 如此伟大的一项发明3. be used for被用于…4. by accident 偶然；意外地5. think of/ about 想；考虑6. fall into 落入；陷入7. some time 一段时间8. less than少于；不到9. take place发生；出现10. the popularity of……的普及11. without doubt毫无疑问12. at a low price以低价13. translate…into…把…翻译成…14. all of a sudden突然；猛地15. by mistake错误地；无意中16. in the end最后17. a cook called George Crum一个名字叫乔治克拉姆的厨师18. more than多于；超过19. divide…into…把…分成…20. at the same time同时21. stop…from doing…阻止…做…22. dream of/ about梦想；向往23. not only…but also…不但…而且…24. the number of……的数量25. more and more越来越26. look up to钦佩；仰慕27. achieve one’s dreams实现某人的梦想28. take notes记笔记29. be used to do sth. 被用于做某事30. lead to导致；导向三、句型集萃1. It is said that + 从句据说…2. It is believed that + 从句人们认为…3. ask sb. (not) to do sth.要求某人（不要）做某事4. teach sb. to do sth. 教某人做某事5. need to do sth. 需要做某事6. encourage sb. to do 鼓励某人做某事三、重点句子1. the style of the shoes 鞋的样式★style短语：in style 流行的；时髦的out of style 过时的a life style生活方式2. --- Can you help me think of an invention? 你能帮我想个发明吗？★★--- My pleasure! 乐意效劳！辨析：pleasure, pleased, pleasing, please与pleasantpleasure，名词，“愉快，高兴”，多用于口语：It’s my pleasure./ With pleasure.pleased，形容词，“高兴的，喜欢的”，修饰人；pleasing，形容词，“令人愉快的，讨人喜欢的；使人满意的，合意的”，修饰物；please，及物动词，“使高兴、满意、愉快”等；不及物动词，“高兴，愉快”等；pleasant，形容词，定语，“令人高兴的，令人愉快的”，修饰事物，不能修饰人。

人教版九年级英语Unit6《When was it invented ?》知识点1.invent v. 发明inventor n. 发明家invention n. 发明，可数名词The inventor has invented many inventions in the past few years.2. be used for doing=be used to do ，用来做…（是被动语态）（这个短语的考点有两点，一是used for的意思，二是for后面用动名词）Pens are used for writing. 笔是用来写的。

used to do 过去常常做某事be/get used to doing 习惯于做某事put into good use 好好利用use sth. to do 用某物做某事给某人某样东西give sth. to sb.I gave a pen to him. 我给他一支笔。

give sb. sth.I gave him a pen. 我给他一支笔。

第 1 页共14 页pass/offer /send/show/write/bring/sell/lend/serve/ tobuy/cook/make/get/sing/prepare for4. all day 整天all evening/night the whole day5. salty adj. 咸的salt n. 盐sour/sweet/bitter/hot/salty酸甜苦辣咸6. by mistake 错误地（犯错是：make mistakes=make a mistake，这些常见的短语大家务必要掌握）I took the umbrella by mistake. 我不小心拿错了雨伞。

7. by accident/chance 意外，偶然（常见短语，考的最多的是它的意思）I met her by accident at bus stop.我在公共汽车站意外地见到了她。

人教版九年级英语第6单元重点单词记忆法及词形变换（附例句）！
Unit6 When was it invented
Section A
【重点单词】
1.style样式;款式
[助记]读音记忆法:sty(star) + le(l)→样式;款式
This style of dress is very popular with young people.这种款式的衣服很受年轻人的欢迎。

2. project项目;工程
[助记]词根记忆法:pro-(向前)+ject(投掷)→扔向前面→投射，引申为工程;项目
This huge project will have to be completed in five years. 这项巨大的工程必须在五年内完成。

3.pleasure高兴;愉快
[助记]词根记忆法:please(取悦) +-ure(名词后缀)→高兴;愉快①Watching TV is our only pleasure.
看电视是我们唯一的乐趣。

②No song that gives you pleasure should also give you a sense of guilt.
没有一首让你快乐的歌会让你有罪恶感。

4. daily每日的;日常的。

人教版英语九年级全册第六单元重点短语、句子及其运用Unit 6 When was it invented?同学们，进入九年级以后，单词、短语、句子的重要性就愈加明显，为了帮助大家更好地学习，我们为大家准备了以下复习资料，希望对你有所帮助。

1、关于before与afterbefore表示“在...以前”，after表示“在...以后”，例如：You have to be back before 10:00 at night. 你必须在晚上十点之前回来。

又如：I think the TV was invented after the car.我认为电视是在汽车之后发明的。

2、When was the telephone invented?是什么时候被发明的？was invented被发明，因“发明”这个动作是发生在过去，用一般过去时的被动语态was + invented。

3、What is it used for? 它被用来做什么？be used for...被用来做...，后面接动词的ing形式。

例如：It is used for scooping the icecream.它杯用来舀冰激凌。

类似的问句还有：What are they used for?它们被用来做什么？They are used for seeing in the dark. 它们被用来照明。

4、Can you help me think of an invention?你能帮助我想一项发明吗？5、You do seem to have a point.你确实好像有点道理。

do一般用于否定句或疑问句中作为助动词，若用于肯定句中，主要用于加强语气，翻译为“的确”、“确实”。

6、The pioneers of different inventions were listed there.各种不同发明的先驱者在那儿被列出来。

were listed被列出来，一般过去时的被动语态。

九年级英语全册Unit6Whenwasitinvented知识点总结(超全)单选题1、The hat is not the right ________ for me. I’d like a smaller one.A．sizeB．styleC．colourD．material答案：A句意：这顶帽子大小不适合我。

我想要小一点的。

考查名词辨析。

size大小，尺寸；style款式；colour颜色；material材料。

根据“I’d like a smaller one”可知，是尺寸不合适，故选A。

2、—Where do you think ________?—I guess they took it in Suzhou.A．was the photo takenB．the photo was takenC．did the photo takeD．the photo took答案：B句意：——你认为照片是在哪里拍的？——我想他们是在苏州拍的。

考查宾语从句。

本题动词“think”后跟宾语从句，从句用陈述句语序，故排除A、C；从句主语“the photo”与谓语动词“take”之间是被动关系，因此用被动语态，故选B。

3、— Look, Cindy. The flowers in our classroom come out in one night.— That's fantastic! They are beautiful and colorful. They________ nice. A．smellsB．smellC．soundsD．sound答案：B句意：——听着，辛迪。

我们教室里的花一晚上就开花了。

——太棒了！它们美丽多彩。

它们闻起来很香。

考查动词辨析和主谓一致。

本句主语They复数，可知谓语动词使用原形，可知排除A和D。

花应是闻起来很香，smell：闻起来；sound：听起来。

故选B。

初三英语上册（人教新目标）Unit 6 When was it invented?知识点总结一、重点辞汇·原文再现They are used for changing the style of the shoes.它们被用于改变鞋的样式。

·大体用法style n. 样式；样式Our children's different needs and learning styles created many problems.孩子们不同的需求和学习方式给咱们带来了许多问题。

·知识拓展---相关短语learning style 学习方式，学习风格life style 生活方式hair style 发型out of style 过时的Her dress is out of style.她的穿着不时兴。

·原文再现The subject for my school project is "Small inventions that changed the world."学校课题的题目是：改变世界的小发明“·大体用法project n. 项目；工程Project Hope 希望工程The project will create up to 40 new jobs.这项工程将提供40个新的工作职位。

·知识拓展---其他词性project v. 计划（plan）The next edition of the book is projected for publication in March.本书的下一版计划于三月发行。

·原文再现--Can you help me think of an invention?你能帮忙我想一个发明吗？--My pleasure！我很荣幸。

·大体用法pleasure n. 高兴；愉快Watching sport gave him great pleasure.观看体育比赛给他以极大的愉悦。

人教版九年级英语第六单元重点短语及句型知识点小结Unit 6 When was it invented？一．重点短语1.by accident偶然;意外地2.divide into把…分成…3.take place发生happen发生（没有被动形式）4.all of a sudden=suddenly 突然;猛地5.look up to 仰慕6.dream of 梦想;梦见7.translate…into…把…翻译成…二．重点语法1. 辨析invent; find; find out; discoverinvent“发明”，指通过劳动运用聪明才智“发明/创造”出以前从未存在过的新事物例：Who invented the telephone?He invented a new teaching method．find“找到、发现”，指找到或发现自己所需要的东西或丢失的东西，着重指找到的结果。

例：We've found oil under the South Sea．I finally found my English book.find out指经过研究或询问查明某事或真相。

例：I've found you out at last.Please find out when the ship sails for New York.Please find out what time the delegation will come.discover“发现”，表示“偶然”或“经过努力”发现客观存在的事物、真理或错误，即指发现原来客观存在但不为人所知的事物，也可表示发现已为人所知的事物的新的性质或用途。

Columbus discovered America in1492．We soon discovered the truth．我们很快就弄清了真相。

【练习】a．Edison ＿＿＿＿the electric lamp．b．I lost my necklace last night．I haven’t ＿＿＿＿it．c．Who ＿＿＿＿America first？d．Can you ＿＿＿＿what time the train leaves？2.一般过去时的被动语态（见P188页）结构：was/were+过去分词【练习】( ) 1. People's Republic of China __ on October 1, 1949.A. foundB. was foundedC. is foundedD. was found( ) 2. English ____ in Canada.A. speaksB. are spokenC. is speakingD. is spoken( ) 3 This English song __ by the girls after class.A. often singsB. often sangC.is often sangD.is often sung( ) 4 This kind of car___ in Japan.A. makesB. madeC. is makingD. is made( ) 5 Computers ___ all over the world.A. is usedB. are usingC. are usedD. have used。

人教版九年级英语Unit6 When was it invented?知识要点语法：1、被动语态(1). 被动语态表示句子的主语是谓语动词所表示的动作承受者。

(2). 被动语态基本结构：be+及物动词的过去分词(如果是不用物动词，其过去分词应带有相应的介词)(3). 被动语态中的be 是助动词，有人称、数和时态的变化。

一般现在时被动语态为：am/is/are+过去分词一般过去时被动语态为：was/were+ 过去分词与情态动词连用的被动语态：情态动词+ be + 过去分词(4). 被动语态中动作的发出者或执行者做介词by的宾语，放在句末，by 表示“由，被”的意思2、如何理解被动语态？为更清晰、更深刻地理解被动语态的含义，可以将主动语态和被动语态的句子结构进行比较。

主动语态：主语+ 谓语动词+ 宾语+ 其他成分被动语态：主语+ be +过去分词+ by +宾语+其他成分如：被动语态English is spoken by many people.课文知识要点：1、When was it invented?它是什么时候发明的？invent v. 发明→inventor n. 发明家→invention n. 发明可数名词invent v. “发明”指发明创造出自然界本来不存在的东西，如工具、方法、手段、汽车、电器、合成材料等。

Bell invented the telephone. 贝尔发明了电话。

Smith invented a new teaching method. 史密斯发明了一种新的教学方法。

Edison, a great inventor, invented over 1’000 inventions all his life.2、What is it used for？它是用来做什么的？be used for“用来做…”；此短语中的for是介词，表示用途，后接名词或动词-ing形式。

Unit 6 When was it invented? 【重点单词】1. project n. 项目，工程；2. pleasure n. 高兴，愉快；3. daily adj. 日常的，每日的；4. mention v. 提到，说到；5. nearly adv.几乎，差不多；6. boil v. 煮沸，烧开；7. remain v. 保持不变；剩余；8. national adj.国家的，民族的；9. low adj.低的，矮的；10. translate v.翻译；11. lock v.锁上；n. 锁；12. sudden adj. 突然的13. crispy adj. 脆的；酥脆的；14. salty adj.咸的；15. sour adj.酸的，有酸味的；16. customer n.顾客。

17. Canadian 加拿大的，18. divide v.分开，分散；19. hero n英雄，男主角；20. professional adj. 职业的，专业的；【重点词组】1. shoes with special heels 特殊后跟的鞋子2. hot ice cream scoop 热的冰其淋勺子3. run on electricity 电动的4. be used for 被用作5. the subject for my school project 学校项目的课题6. our daily lives 我们的日常生活7. have a point 有点道理8. by accident 偶然，意外地9. over the open fire 在火堆上10. fall into the water 落入水中11. take place 发生12. without doubt 毫无疑问13. at a low price 以一个很低的价格14. translate the book into different language 把书翻译成不同种的语言15. all of sudden 突然16. by mistake 错误地17. a much-loved and active sport 一个深受喜爱并且积极的运动18. divide…into 把…分开19. stop sb from doing sth 阻止某人做某事20. look up to 钦佩，仰慕21. the professional basketball groups 职业篮球机构22. use someone else’s idea 借用其他人的想法【重点句式】1. I think the TV was invented before the car. 我认为电视是在轿车之前发明的。