中考状元笔记新目标九年级英语12
九年级英语unit12笔记
![九年级英语unit12笔记](https://img.taocdn.com/s3/m/6741977dac02de80d4d8d15abe23482fb4da0269.png)
九年级英语unit12笔记Unit 12笔记一、词组1、slap on the wrist 给予轻罚2、pull sth to pieces 拆散3、be close to/nearby 靠近4、take refuge 躲避5、survival instinct 生存本能6、put sth in jeopardy 使…处于危险中7、gain insight 获得洞见二、重点句式1、But one thing is certain — nothing can replace the faith and strength of a mother’s love. 但是有一点可以肯定–没有什么能够取代母爱的信仰与力量。
2、Mother birds can even use the earth’s magnetic field to help guide their babies safely back to the nest. 就连母鸟也能够利用地球的磁场来帮助它们把小鸟安全地引回窝里。
3、What’s more, some mother birds wi ll actively defend their nest from predators. 更有甚者,一些母鸟会有积极地抵抗捕食者以保护自己的巢穴。
三、重点词汇1、predator 猎食者2、instinct 本能3、magnetic 磁的4、challenging 具有挑战性的5、shallow 浅的6、vulnerable 易受伤害的7、protection 防护四、重点短语1、lay eggs 下蛋2、sense danger 感受到危险3、teach to fly 教学飞行4、think twice 三思5、radar system 雷达系统6、give (sb) a hand 帮助(某人)7、hide under 潜藏在…之下。
九年级英语全册Unit12Lifeisfulloftheunexpected笔记重点大全(带答案)
![九年级英语全册Unit12Lifeisfulloftheunexpected笔记重点大全(带答案)](https://img.taocdn.com/s3/m/6a1e4c46cd7931b765ce0508763231126edb77ef.png)
九年级英语全册Unit12Lifeisfulloftheunexpected笔记重点大全单选题1、-It's cold outside, Jimmy! You should __________your sweater.-Thanks, mom.A.take offB.take inC.put onD.put up答案:C句意:——外面很冷,Jimmy。
你应该穿上你的毛衣。
——谢谢,妈妈。
A. take off脱下;B. take in吸入;C. put on穿上;D. put up张贴。
根据上文It's cold outside, Jimmy!可知下文是说穿上你的毛衣。
根据题意,故选C。
2、You have to leave now________you can catch the early bus.A.so thatB.as soon asC.becauseD.if答案:A句意:你现在必须出发,以便你能够赶上早班车。
考查连词辨析。
A. so that以便,为了,后跟表示结果的句子; B. as soon as一……就……:表示时间;C. even though即使,表示条件。
现在出发的目的是赶早班车,故选A。
3、Mr. Zhou is good at cooking and he has decided______his own restaurant.A.openB.openedC.to openD.opening答案:C句意:周先生擅长烹饪,他决定开一家属于自己的餐馆。
decide to do sth.决定去做某事,固定搭配。
故答案为C。
4、In every ________ there has to be some give-and-take. A.friendshipB.instrumentC.attentionD.blackboard答案:A句意:在每一段友谊中都必须有一些互谅互让。
新目标九年级英语unit12知识点汇总
![新目标九年级英语unit12知识点汇总](https://img.taocdn.com/s3/m/f5d955c105a1b0717fd5360cba1aa81144318f25.png)
新目标九年级英语unit12知识点汇总九年级英语Unit 12知识点汇总Unit 12是九年级英语的最后一个单元,内容涵盖了阅读理解、语法、词汇以及写作等多个方面。
本文将对这些知识点进行汇总,总结归纳,以帮助同学们更好地复习和掌握。
一、阅读理解本单元的阅读理解主要围绕旅游主题展开,包括观光旅游和生态旅游等。
文章的难度适中,同学们应注重理解文章的主旨和细节,并学会运用阅读技巧来解答问题。
二、语法1. 宾语从句:宾语从句是指出现在一个句子中作宾语的从句。
宾语从句通常以连接词that, if, whether等开头。
如:I know that he is a good student.2. 将来进行时:将来进行时表示将来某个时间正在进行的动作或某个未来的事件。
构成:will be + 动词ing。
如:They will be watching a movie at this time tomorrow.3. 动词不定式的被动语态:动词不定式的被动语态由to be + 过去分词构成。
如:The problem needs to be solved.4. 特殊疑问句:特殊疑问句用来询问某个具体的信息,常见的特殊疑问词有:what, who, when, where, why, how等。
如:What time is it?三、词汇1. 旅游相关词汇:tourist, travel, destination, attraction, guide, sightseeing等。
2. 计量词:本单元涉及了一些计量词,如:a pair of, a group of,a piece of等。
在使用时要注意与名词的搭配。
3. 形容词和副词:学习一些形容词和副词可以丰富语言表达,如:breathtaking, fascinating, slightly等。
四、写作本单元的写作任务是写一篇关于英国旅游的文章。
写作时可以运用所学的词汇和语法知识,通过添加细节和论述观点来丰富文章。
【最新】【人教版】九年级新目标英语:Unit 12 知识点总结
![【最新】【人教版】九年级新目标英语:Unit 12 知识点总结](https://img.taocdn.com/s3/m/0bc1c1856f1aff00bfd51e34.png)
最新教学资料·人教版英语九年级英语Unit12《Life is full of the unexpected.》知识点本单元语法:过去完成时。
过去完成时表示在过去某一时间点以前即“过去的过去”已经发生的动作。
Mr. Black told me that he had seen the movie three times.⑴过去完成时表示在过去某一时间或动作之前已经发生或完成的动作。
它表示动作发生的时间是“过去的过去”。
⑵过去完成时的结构是:肯定由“助动词had(用于各种人称和数) + 过去分词”构成否定式:had not + 过去分词缩写形式:hadn’t⑶过去完成时的时间状语:①表示过去某一时间可用by, before等构成的短语。
by the time by the end ofWe had finished our homework before 10 o’clock.②可能通过when, before等引导的从句表示。
When I got there, the train had left.③过去某一时间通过上下文来表示。
Kate hadn’t studied hard, so she didn’t pass the exam yesterday.1.un expected adj. 出乎意料的;始料不及的expect v. expect/wish sb. to do sth.期盼某人做某事the unexpected “意外的事情”“出乎意料的事”。
the +adj.表示一类人或事物。
the homeless (无家可归者) the disabled(残疾人)the wounded(战争中受伤的人) the injured(事故中受伤的人)2.by the time+时间状语从句(1)时间状语从句的时态是一般现在时时(表示将来),主句用将来完成时;(2)时间状语从句是一般过去式时,主句用过去完成时。
秋新目标九年级英语上册Unit12知识点
![秋新目标九年级英语上册Unit12知识点](https://img.taocdn.com/s3/m/a9e3da1b5a8102d276a22fa8.png)
12单元课文知识点Section A1.Life is full of the unexpected. 生活充满了意外。
(标题)【解析1】be full of = be filled with充满,装满【解析2】unexpected adj. 出乎意料的;始料不及的the unexpected “意外的事情”“出乎意料的事”。
the +adj.表示一类人或事物。
英语中,有些形容词与定冠词the连用,表示一类人或事物,在句子中起名词的作用:the homeless (无家可归者) the disabled(残疾人)2. By the time I got outside, the bus had already left. 当我出来时,公共汽车已经离开了。
(1b)【解析】by the time 在……以前,指从过去的某一点到从句所示的时间为止,常引导表示过去的时间状语从句,主句常用过去完成时,即had+动词过去分词。
【拓展】by now 表示“到现在为止”,通常与现在完成时连用。
By now I have collected 200 dolls. 到现在为止,我已收集了二百个布娃娃。
4. When I got to school, I realized I had left my backpack at home.(1b)当我到学校时我意识到我把书包忘在家里了。
【解析】leave sth. +地点“把某物忘在某处”I left my book on the desk. 我把书忘在了桌子上。
7..By the time I got back to school, the bell had rung. (2b)【解析】get back to school 意为“回到学校”【解析】(1)get back to 后接表地点的名词,意为“回到某地”;(2) get back to 后面接人,可引申为“回复某人的信件,电子邮件,电话”等;(3) get back 还可表示“回来,返回,拿回,取回”等含义。
新版新目标英语九年级unit12知识点总结.
![新版新目标英语九年级unit12知识点总结.](https://img.taocdn.com/s3/m/6198a9a60242a8956aece410.png)
Unit12 Life is full of the unexpectedSection A1. be full of = be filled with充满,装满2 unexpected adj. 出乎意料的;始料不及的 the unexpected 意外的事情,出乎意料的事the+adj.表示一类人或事物在句中起名词作用有些adj与定冠词the 连用,表示一类人或事物,在句子中起名词的作用 the homeless (无家可归者 the disabled(残疾人The old should be taken good care of by the government.老年人应该被政府好好照顾3. by the time 在……以前,指从过去的某一点到从句所示的时间为止,常引导表示过去的时间状语从句,主句常用过去完成时,即had+动词过去分词。
By the time I got up, he had already left. 当我起床时,他已经离开了。
by now 到现在为止通常与现在完成时连用By now I have collected 200 dolls. 到现在为止,我已收集了二百个布娃娃。
4. leave sth. +地点把某物忘在某处leave → left → left v 离开forget遗忘某物指忘记一件具体的东西,但不能有具体的地点(1leave sth +地点把某物遗忘在某地(2leave for +地点离开去某地(3 leave a message 留言 ask for leave 请假 leave school (中学毕业(4leave one by oneself=leave sb alone 把某人单独留下forget→forgot→fo rgotten v忘记(1 forget sth 忘记某事(不能跟地点状语连用He forgot his grandfather’s name.(2 forget to do sth 忘记去做某事(未做(3 forget doing sth 忘记做过某事(已做5. oversleep =sleep late v 睡过头sleep → slept → slept oversleep—overslept—overslept6.get back to school 回到学校(1get back to 后接表地点的名词,回到某地(2 get back to 后面接人, 回复某人的信件,电子邮件,电话(3 get back 回来,返回,拿回,取回7. go off 发出响声, (闹钟闹响The alarm went off just now. 刚才警钟响了go over 复习 go away 离开 go by (时间过去 go for a walk 出去散步gofishing/shopping/skating/swimming 去钓鱼/去买东西/去溜冰/去游泳8. give sb. a lift =give sb. a ride / give a ride to sb. 捎某人一程9.be about to 忙于;即将做某事。
新目标英语九年级Unit 12 知识要点归纳-2019年教育文档
![新目标英语九年级Unit 12 知识要点归纳-2019年教育文档](https://img.taocdn.com/s3/m/784c57df7c1cfad6195fa7cb.png)
新目标英语九年级Unit 12 知识要点归纳【重点词组或短语】 1. go off 响铃 2. give sb.a lift捎某人一程 3. be about to do sth. 正要做某事 4. stare in disbelief at 难以置信地盯着5. raise above the burning building 从正在燃烧的楼上升起6. jump out of bed 跳下床7. collect the math homework 收数学作业8. complete the work for my boss 完成老板的工作9. show up 赶到,出现10. get stressed out 紧张起来11. hand in homework 上交作业 12. take place 发生13. play all kinds of tricks and jokes开各种玩笑14. sell out 卖完,售完15. lose weight 减肥16. by the end of that day 到那天结束时17. end up以……结束 18. get married 结婚19. have a happy ending 有一个幸福的结局20. fear spread across the whole country 恐惧席卷整个国家21. head west 向西前进 22. in the middle of the road在路中间23. turn around 调头、转身24. make an unexpected discovery 有一个出乎意料的发现25. cancel the plan 取消计划 26. lead to 通向27. miss doing sth. 错过做某事【重难点句子】1. I was about to go up when I decided to get a coffee first.我正准备上去,这时决定先喝一杯咖啡。
人教版新目标初三英语Unit 12 知识点总结
![人教版新目标初三英语Unit 12 知识点总结](https://img.taocdn.com/s3/m/71549bd9f9c75fbfc77da26925c52cc58bd690d1.png)
人教版新目标初三英语Unit 12 知识点总结In Unit 12 of 9th grade English。
the focus is on the past perfect tense。
This tense is used to describe an n that had already happened before a certain point in the past。
For example。
"Mr。
Black told me that he had seen the movie three times."The structure of the past perfect tense is "had + past participle." It can be used in the negative form by adding "not"after "had," or by using the n "hadn't."There are several time ns that can be used with the past perfect tense。
"By" and "before" can be used to indicate a specific time in the past。
For example。
"We had finished our homework before 10 o'clock." "When" and "before" can be used to XXX。
For example。
"When I got there。
the train had left." Finally。
人教新目标英语九年级全册 Unit 12 Life is full of the unexpected 知识点汇编
![人教新目标英语九年级全册 Unit 12 Life is full of the unexpected 知识点汇编](https://img.taocdn.com/s3/m/99b4cf3a27284b73f24250e0.png)
【聚焦中考】:Unit12 必考知识点汇编1. By the time I got up, my brother had already gotten in the shower.到我起床的时候,我哥哥已经在洗澡了。
(教材第89页)➢中考链接考查动词时态的用法(黔东南) The bus ______ for five minutes when Tim arived at the station.A. wentB. has leftC. had leftD. had been away【答案】D【解析】when引导的时间状语从句为一般过去时,主句动作leave发生在从句动作arrived之前,即leave发生在过去的过去,需用过去完成时;与时间段连用时,leave要转化为可延续的形式be away。
(襄阳中考) 一We all went to the cinema except you last night. Why didn’t you come?—Because I _______ that movie twice.A. have watchedB. had watchedC. was watchingD. would watch【答案】B【解析】考查动词时态的用法。
根据交际情景可知,我昨晚不去看电影,是因为我以前看过了。
叙述的是“过去的过去”发生的事,用过去完成时,故选B。
2. When I got home, I realized I had left my keys in the backpack.第1页/共7页当我到家时,我意识到我把我的钥匙落在背包里了。
(教材第90页)➢中考链接考查动词leave, forget辨析(滨州)—I’m sorry I ______my exercise book at home this morning.—It doesn’t matter.Don’t forget ______ it here this afternoon.A. left; to takeB. forgot; bringingC. left; to bringD. forgot; to bring【答案】C【解析】leave sth. somewhere是固定搭配,意为“把某物遗忘在某处”,排除选项B和D;take是带走,bring是带来,don’t forget to bring…意为“别忘把……带来”。
九年级英语全册Unit12基础知识必背手册人教新目标版
![九年级英语全册Unit12基础知识必背手册人教新目标版](https://img.taocdn.com/s3/m/456842b20975f46526d3e159.png)
九年级英语全册Unit12基础知识必背手册人教新目标版11. different customs 不同的风俗 12. kiss sb. (on theface/cheek/forehead) 亲吻脸/脸颊/前额13. feel/be relaxed/nervous 觉得轻松/紧张 have relaxed/strict rules 有松/紧的规则14. drop by 访问 visit sb. 拜访 come over 顺便来访15. mind one's (table ) manners 注意…礼仪 (1) eat with hands 用手抓着吃(2) talk at the table 在餐桌上讲话 (3) pick up one's bowl of rice 端起饭碗 (4) start eating first 先开始吃(5) wipe one’s mouth with the napkin 用餐巾纸檫嘴 (6) make noise while eating 吃时发出声音 (7) stick chopsticks into the food 用筷子插进食物里 (8) point at sb with the chopsticks 用筷子指向某人(9) eat or drank while walking down the street 边走边喝 (10) put the hands in/on one's lap 把手放在大腿上(11) say you're full 说吃饱了 (12) sit down from the left side 从右手边坐下16. be/get used to sb./doing sth. 习惯于;be used to do sth. 被于用做某事 used to do sth. 过去常常17. feel/be full/hungry/empty 感觉很饱/饿 be full of sth. = be filled with sth 充满/装满……18. sth. occur (in sth.) 发生 happen to sb. 发生在某人身上 19. give sb. compliments 称赞某人20. toast sb. = make a toast to sb. 向某人敬酒21. be unfamiliar to sb./sth. 不熟悉某人/某物 He looks familiar to me.22. hold the spoon in the left/right hand 用左/右手握餐叉23. Questions crowded my mind . 我脑袋里充满问题。
九年级英语12单元教学笔记
![九年级英语12单元教学笔记](https://img.taocdn.com/s3/m/1a829803eff9aef8941e06bf.png)
新目标英语九年级第十二单元重点知识小结I.重点词汇a bit----a little on time---in timequiz----exam at table----at the table point at---point to----point out reach----get to----arrive at/inexcept----besides with----in----byfinally----at last----in the end type----kindhabit----customparticular----special----especialused to----be used toII.重点词组be supposed to do shake hands (with) make some mistakes drop bymake plansafter allget angryat the tablepick upevery timetake a drinktable mannersmake a noisestick…into…point athave a great timeget out one’s way to domake mistakesbe different fromat firstused toget/be used tocut upmake an appointmentmake a toastsave timelook likehave conversations witheach othersound likein the traditional waymake faceslearn…by oneselfsend a message toone one’s ownIII.重点句子1.You’re supposed to shake hands.2.You should have asked what you’re supposed to wear.3.Spending time with friends and family is very important to us.4.It’s very importan t to be on time.5.We usually plan to do something interesting.6.Thanks foryour message.7.They go out of their way to make me feel at home.8.My biggest challenge is learninghow to behave at the dinner table.9.I find it difficult to remember everything.10.I do n’t find them so strange any more.11.People can use their computers to talkto each other.inge-mail English helps you write quickly.13.CLS means can’t help laughing.IV.话题语法1.提出建议2.be supposed to do和should have done sth.结构的用法Y ou’re supposed to shake hands.直击课标要求1.语言目标Tell what you are supposed to do2.重点词汇shake bow kiss greet land pick wipe napkin stick chopstick rude point manner behave fork full gradually compliment toast unfamiliar spoon crowd dead dead-end die succeed subject slip military army soldier sacrifice pathbe supposed to shake hands drop by after all pick up table manners be/ get used tocut up at the end of get into trouble give up3.关键句型Y ou’re supposed to shake hands.They’re supposed to bow.How was the dinner at Paul’s house last night?Can you tell me the things I’m supposed to do?The first thing is to greet the teacher.Y ou aren’t supposed to….It’s polite….It’s rude to….4.语法be supposed to do sth.的使用动词不定式作主语课前学习提示一、词汇1.shake [ eik] vt.& vi.摇,抖动,动摇,挥舞,摆脱,它的过去式和过去分词是shook和shaken,此外它还可作名词用表示“摇动,震动,一刹那”。
新目标英语九年级Unit_12知识要点归纳
![新目标英语九年级Unit_12知识要点归纳](https://img.taocdn.com/s3/m/d9dfb6730622192e453610661ed9ad51f11d544d.png)
11. lose weight 减肥
21. show up 赶到;露面
揖重难点句子铱
1. My bad luck had unexpectedly 场的路。
turned into a good thing. 我的坏运 4. I went inside and the lady, who was
气出乎意料地变成了好事。
14. get married 结婚
4. stare in disbelief at 难以置信地盯着 15. head west 向西前进
5. jump out of bed 跳下床
16. turn around 调头、转身
6. show up 赶到,出现
17. make an unexpected discovery 有一
期知末识最复要新习点关专归注栏纳
新目标英语九年级
Unit 12 知识要点归纳
揖重点词汇铱
1. go off 响铃
12. by the end of that day 到那天结束时
2. give sb. a lift 捎某人一程
13. end up with 以……结束
3. be about to do sth. 正要做某事
3. However, I missed the road tha而,我错过了通往商
31
the owner, served me the most deli -
2. By the time people realized that the cious bowl of chicken noodles ever.
story was a hoax, all of the spaghetti 我走了进去,那位女士,也就是店
新目标英语九年级第十二单元重点单词
![新目标英语九年级第十二单元重点单词](https://img.taocdn.com/s3/m/d7a8633931126edb6f1a10ae.png)
新目标英语九年级第十二单元重点单词、短语、句子和语法小结新目标英语九年级第十二单元重点单词、短语、句子和语法小结I.重点词汇a bit----a little on time---in timequiz----exam at table----at the tablepoint at---point to----point out reach----get to----arrive at/inexcept----besides with----in----byfinally----at last----in the end type----kindhabit----custom particular----special----especialused to----be used to greet sb---say hello to sbrude----inpolite at times----sometimesat first----first of all beside—near---next toII.重点词组1. be supposed to do =should应该\被期望做某事2. shake hands (with)sb握手shake 本意是“摇动、震动”3. should have done sth. “情态动词+现在完成时”表示过去本应该做某事,事实上没有做4. be relaxed about sth.对某事随意、不严格5. make plans to doplan to do. 打算做某事plan on doing6. fancy dress 聚会时所穿的奇装异服7. a fancy dress ball 化妆舞会8. drop by 访问看望拜访串门drop in on sb 顺便走访某人visit sb 拜访come over to9. invite sb. to do sth. 邀请某人做某事Sb be invited to do sth.某人被邀请做某事。
新目标英语九年级unit 12知识要点归纳
![新目标英语九年级unit 12知识要点归纳](https://img.taocdn.com/s3/m/df1a16e452d380eb63946d63.png)
知1.go off响铃2.give sb.a lift捎某人一程3.be about to do sth.正要做某事4.stare in disbelief at难以置信地盯着5.raise above the burning building从正在燃烧的楼上升起6.jump out of bed跳下床7.collect the math homework收数学作业plete the work for my boss完成老板的工作9.show up赶到,出现10.get stressed out紧张起来11.hand in homework交作业12.take place发生13.play all kinds of tricks and jokes开各种玩笑14.sell out卖完,售完15.lose weight减肥16.by the end of that day到那天结束时17.end up以……结束18.get married结婚19.have a happy ending有一个幸福的结局20.fear spread across the whole country恐惧席卷整个国家21.head west向西前进22.in the middle of the road在路中间23.turn around调头、转身24.make an unexpected discovery有一个出人乎意料的发现25.cancel the plan取消计划26.lead to通向27.miss doing sth.错过做某事【重点词组或短语】【重难点句子】1.I was about to go up when I decided to geta coffee first.我正准备上去,这时决定先喝一杯咖啡。
2.As I was waiting in line with other officeworkers,I heard a loud sound.正当我和其他办公室员工在排队等候时,我听到了一声巨响。
中考英语复习课本知识整理九年级Unit12
![中考英语复习课本知识整理九年级Unit12](https://img.taocdn.com/s3/m/65b32581168884868662d6a7.png)
【知识梳理】I.要点短语II.重要句型2010 中考英语复习课本知识整理Unit 1-21 not at all 一点也不2 end up 最后3 make mistakes 出错误4 later on 随后5 be afraid to 惧怕6 laugh at 嘲讽7 take note 做笔录8 look up 查(词典 )9 make up 构成10 get excited 感觉喜悦11 to begin with 开始12 it doesn't matter (if) ( 假如 ..) 不是问题13 change...into... 把 ... 变为 ( 当作 )...14 regards ...as... 视 ... 为15 stay angry(for years)...(about)( 为 ...) 生气了 ( 好多年 )16 go by ( 时间)流逝17 decide not to do Sth 决定不做某事18 deal with 解决19 compare...to... 与 ... 做比较20 worry about 担忧 ...21 break off 中止 ,停止22 try one's best 尽某人的力23 be angry with - 对 ... 生气24 with the help on/of 在 ... 的帮助下25 keep a diary 记日志26 working with friends 和朋友一同工作 / 学习27 break off a friend ship 中止友情 ( 断交 )28 by think of a problem 经过思虑问题29 in a positive way 经过乐观的方法 / 想法1. one of +(the+ 形容词最高等 )+ 名词复数形式此中之一2.see sb. / sth. doing 看见某人正在做某事重申正在发生3.It ’ s + 形容词 +(for sb. ) to do sth. ( 关于某人来说 ) 做某事4. it seems that...----------------------- 看起来III.重要语法此刻达成时态反意疑问句【课文分析】要点单词1. pronounce v.发音Can you pronounce these words?你会发这些单词的音吗?(1)pronounce不及物动词,意为“发音”。
人教版新目标英语九年级-Unit12单元知识点小结
![人教版新目标英语九年级-Unit12单元知识点小结](https://img.taocdn.com/s3/m/475392b2af45b307e87197ca.png)
Unit12. Life is full of the unexpected重点短语句子重难点解析1. Life is full of the unexpected. 生活充满了意外。
be full of (= be filled with ) 充满,装满①Our life ____________________(充满)chances, but there are also a lot of challenges. ②The box ____________________(装满)books.③On hearing the news, her heart was _____ gratitude (感激).A. filled ofB. full withC. filled withD. fill with2. By the time I got outside, the bus had already left. 当我到外面的时候,公共汽车已经离开了。
by the time 在……以前 (常引导表示过去的时间状语从句,主句常用过去完成时。
) By the time I got up, he had already left. 我起床时,他已经走了。
① I overslept this morning. By the time I got to the train station, the train ____________(leave ).②By the time of last term, we ______ all the lessons.A. finishedB. have finishedC. had finishedD. will finish③____ the time I heard the noise, it had already gone. A. By B. When C. At【拓展】by now 表示“到现在为止”,通常与现在完成时连用。
英语九年级12单元笔记
![英语九年级12单元笔记](https://img.taocdn.com/s3/m/a00e511c7275a417866fb84ae45c3b3567ecdd3b.png)
Unit 12: Life in the Future。
Vocabulary:。
1. virtual reality (n.): a computer-generated environment that can simulate reality and be interactive;2. genetics (n.): the study of heredity and the variation of inherited characteristics;3. clone (v.): to make an exact genetic copy of a living organism;5. lifespan (n.): the length of time that an organism is expected to live;6. renewable energy (n.): energy from a source that is not depleted when used;7. genetic engineering (n.): the deliberate modification of the characteristics of an organism by manipulating its genetic material;8. sustain (v.): to support or maintain;9. nuclear (adj.): relating to the nucleus of an atom;10. innovation (n.): the introduction of something new;11. revolutionize (v.): to drastically change or transform something;12. longevity (n.): long life, especially the length of time that an organism can live;13. interconnected (adj.): connected with each other;14. biomedical engineering (n.): the application of engineering principles and techniques to medicine.Expressions:。