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。
have a chance to do sth=have a chance of doing sth.have an opportunity to do sth.= have an opportunity of doing sth. 有机会做某事make sb./sth+形容词：使…怎么样第 2 页共14 页It made me happy. 它使我高兴make sb./sth+动词：让…做…It made me laugh. 它让我发笑I was made to laugh.let/make/have 使役动词see/hear/notice/watch 感官动词变被动还原to9. not…until…直到…才…（重中之重，这个用法非常重要！经常出现在选择题中）I didn't go to bed until I finished my work.我直到完成我的工作才去睡觉。
I won’t go to bed until I finish my homework.10.according to +名词：根据…According to this article….根据这篇文章11、over an open fire 野饮12. have a picnic野餐at the picnic第 3 页共14 页13. leaf n. 叶子复数形式leavesleaf/half/wife/knife/shelf/wolf/thief/life/oneself/scarf14. nearby adj. 附近的15. fall/drop into 落入，掉进The leaf fell into the river. 叶子落入了河里。
fall down 摔倒She fell down from her bike. 她从她自行车摔倒了。
fall off=fall down from从…掉下来fall in love with 爱上fall over 跌倒fall-fell-fallen16. quite 非常adv. 与冠词a连用时，冠词a必须放在它的后面quite a beautiful girl 一个漂亮的女孩17. in the way 这样by the way 顺便一提on the/one’s way to 在…路上第 4 页共14 页in this way用这种方法This way, please 请走这边No way. 没门get in the way of 妨碍，挡路go out of one’s way to do 特地不怕麻烦做某事18. pleased adj. 表示外部因素引起人发自内心的欣慰和愉快be pleased at sth. 因...而感到高兴be pleased to do sth. 因做某事而感到高兴be pleased/satisfied with... 对…感到满意pleasant –unpleasant adj. 愉快，高兴。
指天气、时间、旅行令人高兴愉快please v. 使高兴，使同意18. battery-operated adj. 电池控制的，是名词+动词的运动分词构成的合成形容词operate v. 操作，手术operation n. 操作，手术第 5 页共14 页19. in the sixth century 在第6世纪in the 1980s 在20世纪80年代in 1980 在1980年20. travel around 周游travel around the world 环游世界21. more than == over 超过（相比较，more than更重要）more than 300 == over 300:超过300less thangood/well-better-bestbad/badly/ill-worse-worst What’s worse?many/much-more-most at mostlittle-less-least at leastfar-farther/further-farthest/furthest22. including . 包括。
可以与名词和动名词连用include v.Six people, including a baby, were hurt.6个人包括一个小孩受伤了。
第 6 页共14 页Six people, a baby included, were hurt.23. have been played 被上演,是现在完成时的被动语态，现在完成时的被动语态的结构：have /has been +过去分词。
24. be born 出生（常见短语）He was born in Canada. 他在加拿大出生bear-bore-born be born with天生具有，与生俱来25. safety n. 安全safe adj. 安全的danger dangerousbe in (great) danger 处于极大的危险中in trouble in need in time in surprise in fact in silence in public in all in total26. knock into 撞上（某人）knock down 撞倒knock at/ on 敲..27. divide sth. into …,将…划分成，通常指将一个整体分成几个对应相对的部分Let's divide ourselves into 4groups.第7 页共14 页让我们把我们自己划成4组。
28. since then 自从那以后。
常与完成时态连用Since then, I have left Beijing.自从那以后，我已经离开了北京。
so far 到目前为止since+过去的时间点for+时间段in the last/past few years 在过去的几年中It's my pleasure. = My pleasure. 我的荣幸With pleasure 愿意效劳30. seem+to+动词原形好像做某事He seems (to be) tired. = It seems that he is tired.such a great invention=so great an invention如此伟大的一项发明so many flowers so much waterso little milk ________ a little boythink of = think about 到，考虑think over 仔细考虑think hard 苦苦思索第8 页共14 页33.in our daily lives 在我们的日常生活中every day 每天everyday 日常的daily/weekly/monthly/yearly34.in my daily life在我的日常生活中35.have a point 有道理36.by accident 偶然地，意外地have an accidenthave a traffic accident37.over an open fire 在篝火上38.it mentioned that…它提到Don’t mention it.别提了39.It is said that 据说It is reported that 据报道40.It is believed that人们相信It is known that 人们知道It is supposed that41.fall into(过去式fell into)=drop into掉进…drop by=come over顺便拜访42.in the 19th century 在19世纪43.spread to other countries 传播到其他国家第9 页共14 页spread- spread- spread44.at a low price 以很低的价格at a high priceHow much…? = What’s the price of…? high/low45.bring(brought) sth. to sp.把某物带到某处bring up46.all of a sudden 突然地47.less than少于，不到more than = over 超过48.without doubt 毫无疑问49.at that time 在那时at the moment=right now 此刻，现在50.advise sb (not) to do sth建议某人(不要)做某事suggest doing sth.a piece of advice 一条建议give sb. some advice/suggestions给某人提建议51.start/begin doing sth = start/begin to do sth开始做某事at the beginning of----at the end of52.work on sth 致力于某事53.(be) similar to 与……相似the same as 和…一样第10 页共14 页be different from 不同于..54.the Olympics 奥运会55.by mistake 错误地，无意地56.make a mistake 犯错57.divide ...into…把…分成…58.in the end = at last = finally 最后at the end of 在…末尾by the end …到..为止end up with ..以…为结束59.at the same time 同时60.teach(taught) sb to do sth 教某人做某事teach oneself=learn.. by oneself 自学e up with=think up 想出62.encourage sb. to do sth.鼓励某人做某事63.the purpose of ……的目的purpose for.. on purpose64.stop/prevent/keep sb from doing sth 阻止某人做某事第11 页共14 页65.look up to sb.钦佩某人66.look up the word 查找单词look over look at look through look up look for look down look after look out look out of look around look forward to…67.work together 一起工作68.I want to achieve my dream. 我想实现梦69.My dream will come true.我的梦想会实现70.work hard 努力工作71.on a hard floor 在坚硬的地板上72.lead to导致leader 领导，引路人lead-led-ledlead into 导入lead sb. to do sth. 领导某人做某事mislead sb. to do sth. 误导某人做某事73.Don't mention it. 不客气，不用谢74.translate...into....把…翻译成…第12 页共14 页translation n. translator n.75.be used for doing sth=be used to do sth76.dream of/about doing sth 梦想做某事【语法归纳】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。