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高一英语必修一第四单元主要知识难点2023高一年级英语必修一第四单元知识点1rightaway毫不迟疑，立刻Itseemedasiftheworldwasatanend.世界似乎到了末日。
从句表示“(在某人)看来好像;似乎”①Itseems/looks/appearsasif/though…看起来好像…②Sb./Sth.looksasif/though…③Thereseems/appears(tobe)…Thereappearstohavebeenamistake.2.inruins.变为废墟Two-thirdsWorkersbuiltsheltersforsurvivorswhosehomeshadbeendestroyed.5.undertheweightof 在……重压下，迫于6.intheopenair在户外，在野外，露天7.taketurnstodosth依次，轮流做某事inturn依次地，轮流地8.beshockedat对……感到震惊9.beproudof以……为自豪10.expressone’sthankstosb/forsth…对/因……表示感谢11.withoutwarning毫无预兆nextto紧接着，相邻，次于getawayfrom…避免，摆脱，离开14.disaster-hitareas灾区ListeningtoEnglishisaveryimportantskillbecauseitisonlywhenweunderstandwhatissai dtousthatwecanhaveaconversationwithsomebody.听英语是一项很重要的技能，因为只有当我们懂得别人给我们说什么我们才能与他交谈。
Itisbelievedthat人们认为…17.holdup举起;托住;支撑列举，推举18.makeup弥补,虚构,整理,和解,化妆,拼凑19.betrappedin被困于…Itissaidthat…据说...befixedto…被固定到……22.betiedto…被绑在……高一年级英语必修一第四单元知识点2devotes…todoing奉于fightagainst对抗，反对，与……作斗争3.selflessly无私地befreefrom免于，不受beinprison入狱，在狱中服刑6.thefirstmantodo第一个…的人ThetimewhenIfirstmethimwasaverydifficultperiodofmylife.第一次见到他的时候是在我一生中非常艰难的时期。
人教版高一英语必修一第四章知识点整理高一英语必修一知识点总结：Unit41.right away毫不迟疑，立刻2.It seemed as if the world was at an end.世界似乎到了末日。
从句表示“(在某人)看来好像;似乎”① It seems/looks/appears as if/though…看起来好像…② Sb./Sth.looks as if/though…③ There seems/appears(to be)…There appears to have been a mistake.2.in ruins.变为废墟3.Two-thirds4.Workers built shelters for survivors whose homes had been destroyed.5.under the weight of在……重压下，迫于6.in the open air在户外，在野外，露天7.take turns to do sth依次，轮流做某事in turn依次地，轮流地8.be shocked at对……感到震惊9.be proud of以……为自豪10.express one’s thanks to sb/for sth…对/因……表示感谢11.without warning毫无预兆12.next to紧接着，相邻，次于13.get away from…避免，摆脱，离开14.disaster-hit areas灾区15.Listening to English is a very important skill because it is only when we understand what is said to us that we can have a conversation with somebody.听英语是一项很重要的技能，因为只有当我们懂得别人给我们说什么我们才能与他交谈。
难点聚焦：Unit4 重难点详解重点词汇1. shake vt. & vi(shook, shaken)1)(cause sb. /sth. to)move quickly and often jerkily from side to side or up and down（使某人或某物）急速摇动或颠簸The table shook when she banged her fist on it.她用拳头把桌子敲得直颤。
The house shook as the heavy truck went past.重载的卡车经过时，房子摇晃起来。
2)(of a person)tremble; quiver（指人）发抖，打战They laughed until their sides shook when they heard the joke.这个笑话笑得他们浑身直颤。
The little boy was shaking with cold.那个小男孩冻得发抖。
3)disturb the calmness of sb. ; trouble or shock sb. 使某人心绪不宁；烦扰或惊吓某人This surprising development quite shook me.这一惊人的新情况把我吓坏了。
4)make(sth. )less certain; weaken belief, etc. 动摇某人的想法；减弱Her new theory has been shaken by this new evidence.这一新证据动摇了她的新理论。
5)(of sb. ‘s voice)become weak or faltering; tremble（指某人的嗓音）变弱，发颤，颤抖His voice shook(with emotion)as he announced the news.他宣布这一消息时，声音（因激动）有些颤抖。
高一英语必修一unit4知识点总结四高中英语必修四unit4知识点2It 作形式宾语用来替代作宾语的`从句、动词不定式、动名词，而把真正作宾语的从句、动词不定式、动名词置于句尾。
It 作形式宾语的常见句型：1. verb+ it+ adj./noun (for/of) to do/clause (verb=think, believe,suppose, consider, feel, make, keep…)例 I think it hard for you to do the task on your own./I think it hard that you'll do the task on your own.2. verb+it+adj./noun (one's) doing(adj.=useless/worth/worthwhile)(noun=no use/no good/worth one's while/a wasteof time/money/energy/words) (verb=think, believe, suppose, consider, feel,make, keep…)例 I'll make it worth your while telling me about his secret.3.verb+it+important/unimportant/necessary/unnecessary/ natural/essential that … (should)…verb+it+ofmuch/great/no/little importancetha t…(should)…(verb=think, believe, suppose, consider, feel, make, keep…)例 I think it important that you (should) attendthe conference.4. verb + it+ as+ noun/adj.+ clause (verb=accept, regard, take, see,view)例 The lecturer takes it as encouraging when so many students attendhis lecture.5. v. +it + prep. + that…owe it to sb. that…把…归功于…leave it to sb that…把…留给某人去做take it for granted that …想当然keep it in mind that…例 Don't bother to arrange anything. Just leave it to me to sort out.6. It用在不能直接跟宾语从句的动词后面，尤其是表示好恶的动词后，enjoy,like, love, dislike, resent, hate, don't mind, be fond of, feel like, see to 宾语从句紧跟it之后例 I hate it you can swim so well and I can't.7. It用在不能直接跟宾语从句的介词后面，宾语从句紧跟it之后(except that例外)例 I'm for it that you will follow their advice.高一英语必修一unit4知识点总结 (菁选2篇)（扩展4）——英语高一必修1知识点总结5篇英语高一必修1知识点总结1重点单词major local represent curious introduceapproach stranger express action generalavoid misunderstand similar agreement *punish intend means universal culturalapologize behave bow flight defencedormitory canteen dash fortable distanceprefer touch custom false hugfunction international powerful greet fistyawn threaten respectful association gesture英语高一必修1知识点总结2重点句子1. Whichever and whatever you like, there is a theme park for you!2. With all these attractions, no wonder tourism is increasing wherever there is a Disneyland.3. To enter a world of fantasy about ancient England, e to Camelot Park!4. Futuroscope is not only for inpiduals, but is also the perfect mix of fun and learning for class outings.5. If driving, Futuroscope is within easy reach of the freeway.6. Visit the candy shop to try the same kind of candy that American southerners made 150years ago, or take a ride on the only steam engine train still working in the …7. After that, joined some drivers and went to the bottom of the ocean to see the strange blind creatures that have never seen sunlight.Visitors can get close to parts of the world they have never experienced, going to the bottom of the ocean, flying through the jungle or visiting the edges of the solar system。
人教版高中英语必修一Unit4NaturalDisasters知识点梳理单选题1、Try to avoid such things ________will do you harm, unless you don't care about the rumors from all directions. A．thatB．asC．whichD．as that答案：B考查定语从句。
句意：除非你不在乎四面八方的谣言，否则尽量避免那些对你有害的事情。
在定语从句中缺少主语，且先行词things被such修饰，所以应用关系代词as。
故选B。
2、Peter can be really difficult at times ________ he’s a nice person in general.A．even ifB．as thoughC．as ifD．if only答案：A考查状语从句。
句意：彼得有时真的很难缠，即使一般情况下他是一个很好的人。
A. even if即使，尽管； B. as though似乎，好像； C. as if似乎，好像； D. if only要是...就好了。
空前表示Peter有时候很难缠；空后句子表示他通常情况都是很好很和善的人，前后有转折关系，只有A项even if可以引导让步状语从句，符合题意。
故选A项。
3、A sport with a broom on ice ________ requires bowling ________ makes curling one of the most unique sports out there.A．that … precisionB．that … diversityC．/ … precisionD．/ … diversity答案：A考查定语从句和名词词义辨析。
句意：冰壶是一项要求精准度的运动，它在冰上要使用冰刷，这使得冰壶成为最独特的运动之一。
高一英语必修一unit4知识点总结大全高一英语必修一unit4知识点总结重点词汇、rightaway立刻，马上(=atonce=innotime)asleep睡着的;熟睡地(fallasleep入睡)sleep睡;睡眠sleepy犯困的itseemsthat/asif…看来好像…;似乎inruins成为废墟thenumberof…的数量(做主语时，谓语动词用单数)anumberof大量(做主语时，谓语动词用复数)betrapped被困howlong多长时间howoften多久一次，指频率howsoon还要多久(用于将来时当中，用in+时间段回答)hundredsofthousandsof成千上万的digout挖出shake泛指“动摇，震动”,常指左右、上下动摇，也可以指人“震惊，颤抖”例：Shefelttheearthshakingunderhim.Shewasshakenwithanger.quake指较强烈的震动，如地震Thebuildingquakedonitsfoundation.tremble指人由于寒冷、恐惧、不安等引起的身体的抖动或声音的颤抖例：SuddenlyIsawherlipsbegintotrembleandtearsbegintoflowdownhercheeks.shiver多指寒冷引起的颤抖、哆嗦例：Asuddengustofcoldwindmademeshiver.rise(rose—risen)vi,上升;升起，无被动语态giveriseto引起raise(raised—raised)vt,举起;筹集;养育arise(arose—arisen)vt,出现(常指问题或现象)injure常指因意外事故造成的损伤，也可以指感情上名誉上的伤害例：Hewasinjuredinacaraccident.harm泛指“伤害，损害”，既可以指有生命的，也可以指无生命的例：Hewasafraidthathisfury(暴怒)wouldharmthechild.Hisbusinesswasharmedforsomereason.hurt既可以指肉体上的伤害，也可以指精神上的伤害例：Shehurtherlegwhenshefell.Hefelthurtatyourword.wound一般指枪伤、刀伤等在战场上受的伤例：Thebulletwoundedhiminthearm.bepreparedfor…=makepreparationsfor…为…做准备inone’shonor向…表示敬意;为纪念be/feelhonoredtodo…做…感到很荣幸make/give/deliveraspeech发言openingspeech开幕词give/provideshelterto…向…提供庇护所seekshelterfrom…躲避happentodosth.偶然;碰巧happen指偶然发生takeplace指事先计划好的事情发生高一英语必修一知识点重点句型Thenumberofpeoplewhowerekilledorinjuredintheearthquakereachedmorethan400,000.(定语从句)死伤的人数达到40多万。
人教新课标版高一必修一Unit 4 Earthquakes期末知识梳理一、训练导入I、考纲单词写出下列考纲词汇的词性和汉义(如果不止一个词性学生自行增补词性及相应汉义)1、earthquake ( )2、burst（)3、million( ）4、event（)5、nation（）6、steam( )7、ruin（)8、injure( )9、destroy( ）10、shock( )11、rescue( ）12、trap（）13、bury( )14、damage( )15、judge( )II、核心短语1、right ____________ 立刻，马上2、____________ an end 结束;终结3、dig ___________ 掘出;发现4、think ___________ of 考虑的少，满不在乎5、lose ___________ 失去希望6、be ___________ in 被困在7、in ___________ 严重受损;破败不堪8、a (great) ____________ of 许多;大量的9、tens of _____________ of 数以万计的10、be ____________ of 以……而自豪11、run out ____________ 用完, 从……跑出12、_____________ if 好像13、fall _____________ 倒塌14、_____________ train 乘火车15、act ____________ 表演16、give ___________ 用完,发布17、quite ___________ few 颇多18、put ___________ shelters 搭建避难所19、___________ that special day 在那个特殊的日子20、get away ___________ 离开……二、知识精讲I、重点词汇1、burst v、&n、爆裂，爆发，突然破裂[典例］1)、The red balloon suddenly burst、那个红色的气球突然爆了.2)、The police burst through the door、警察破门而入。
必修一Unit 4课本知识点复习一. 词汇变形1.imagine v. 想象-- imagination n.想象– imaginative adj. 富于想象力的— imaginable adj. 可想象的2. burst v. 爆裂；爆发– burst（过去式）— burst (过去分词)3. smell v. 闻起来-- smelly adj. 发臭的4. suffer v. 遭受；忍受-- suffering n. 苦难；痛苦5. frighten v.使惊讶-- frightened adj. 受惊的；受恐吓的-- frightening adj. 令人恐惧的6. judge v. 判断；评判-- judgement n. 判断力；看法7. injure v. （事故中）受伤；损害--injury n. 伤害-- injured adj.受伤的8. shock v. 震惊；震动-- shocked adj. 惊愕的9. congratulate v. 祝贺-- congratulation n. 祝贺二. 短语积累1. too...to... 太...而不能表肯定意义：only/but too...非常too happy/glad/willing/nervous/surprised to do sth. 很...e.g.They are only too lucky to go abroad for a visit. 他们太幸运了能够出国参观。
She was too happy to meet her old friend in the street. 她很高兴能在街上遇到她的老朋友。
They seemed to be too nervous and were too anxious to leave. 他们好像太紧张而急于离开。
2. burst（1）v.(burst,burst) (使) 爆裂，胀开e.g.Water pipes often burst in cold weather. 水管在寒冷的天气里经常爆裂。
Unit 4 Natural Disasters Part one V ocabulary1. rescue n. & vt. 营救；救援come/go to sb.’s rescue 来/去救助某人rescue team/workers 救援队/人员rescue …from … 把……从……中解救出来2. damage vt. 损害；破坏n. 损坏；损失do/cause damage to… 对……造成损害/破坏3. affect vt.影响；（疾病）侵袭；深深打动affect = have an effect on 影响4. ruin n. & vt. 破坏；毁坏in ruins 严重受损；破败不堪go/come to ruin 灭亡；荒废5. shock n. 震惊；令人震惊的事；休克vt. （使）震惊in shock 震惊；吃惊in a state of shock 惊魂未定be shocked to do sth. 对做某事感到震惊6. trap vt. 使落入陷阱；使陷入圈套n. 险境；陷阱be trapped in 被困在……中，陷在……中trap sb. into doing sth. 陷害/诱骗某人做某人7. bury vt.埋葬；安葬bury oneself in = be buried in 埋头于；专心于8. breathe vi.& vt.呼吸breath n. 呼吸out of breathe 气喘吁吁地hold one’s breath 屏住呼吸9. supply n. 供应（量）；补给；[pl.]补给品vt. 供应；供给supply sth. to sb. =supply sb. with sth.给某人提供某物10. survive vi. 生存；存活vt. 幸存；艰难度过survive on sth. = live on sth. 靠……存活11.calm adj. 镇静的；沉着的vt. 使平静；使镇静calm down 冷静下来keep calm 保持冷静12. aid n. 援助；帮助；救援物资vi. & vt. (formal) 帮助；援助first aid 急救with the aid of =with sb’s aid 在某人的帮助下13. sweep vt. & vi. (swept, swept) 打扫；清扫sweep away 消灭；彻底消除sweep over 突然袭来14. strike vi.& vt. (struck, struck/stricken)侵袭；突击；击打n. 罢工；罢课；袭击be on strike 在罢工it strike sb. that … 某人突然想到……15. deliver vt. &vi. 递送；传达vt. 发表be delivered of = give birth to 生产；分娩deliver a speech 发表演讲16. length n. 长；长度in length 在长度上at arm's length 在伸手可及处；保持一定距离地Part two Grammar定语从句定语从句（Attributive Clauses）在句中做定语，修饰一个名词或代词，被修饰的名词，词组或代词即先行词。
定语从句通常出现在先行词之后，由关系词（关系代词或关系副词）引出。
关系代词有：who, whom, whose, that, which等。
关系代词引导的定语从句关系代词所代替的先行词是人或物的名词或代词，并在句中充当主语、宾语、定语或表语等成分。
关系代词在定语从句中做主语时，从句谓语动词的人称和数要和先行词保持一致。
1）who, whom, that这些词代替的先行词是人的名词或代词，在从句中所起作用如下：Is he the man who/that wants to see you? 他就是想见你的人吗？（who/that在从句中做主语）He is the man whom/ that I met yesterday. 他就是我昨天遇见的那个人。
（whom/that在从句中作宾语）2）whose用来指人或物，（只用作定语, 若指物，它还可以同of which互换），例如：They rushed over to help the man whose car had broken down. 那人车坏了，大家都跑过去帮忙。
Please pass me the book whose (of which) cover is green. 请递给我那本绿皮的书。
3）which, that它们所代替的先行词是事物的名词或代词，在从句中可做主语、宾语等，例如：A prosperity which / that had never been seen before appears in the countryside.农村出现了前所未有的繁荣。
（which / that在句中作宾语）The package (which / that) you are carrying is about to come unwrapped.你拿的包快散了。
（which / that在句中作宾语）定语从句中只能用that 引导的情况1.当先行词是everything，anything，nothing，all，none，few，little，some等不定代词时，或当先行词受every，any，all，some，no，little，few，much等不定代词修饰时。
2.当先行词被序数词修饰时。
3.当先行词被形容词最高级修饰时。
4.当先行词被the very，the only修饰时。
5.当先行词前面有who，which等疑问代词时。
6.当先行词为人与物时。
7.先行词在定语从句中做表语，而关系代词在从句中也做表语时。
定语从句中只能用which引导的情况1.当关系代词的前面有介词时。
2.在非限制性定语从句中。
3.在一个句子中有两个定语从句，其中一个定语从句的关系代词用了that，另一个宜用which。
4.当关系代词后面带有插入语时。
5.先行词本身是that，宜用which。
定语从句中只能用who引导的情况1. 先行词是one，ones和anyone时，宜用who。
2. 先行词是those时，宜用who。
3.当先行词有较长的后置定语时，宜用who。
4.一个句子带有两个定语从句时，其中一个定语从句的关系代词是that，另一个宜用who。
5. 在there be 开头的句子中，宜用who。
关系代词as 引导定语从句1.关系代词as在限制性定语从句时，在从句里做宾语时，绝不能省略。
2.当先行词被the same 所修饰时，关系词既可以用as，也可以用that。
不过一般说来，表示同一种类多用as，表示同一事物多用that。
但是表示抽象概念时，同种类和同一事物是没有绝对区别的，所以as和that可互换。
3.as引导的非限制性定语从句位置较灵活，可以位于主句前面．中间或后面，一般用逗号与主句隔开。
4.as引导非限制性定语从句。
as在定语从句中做主语、表语或宾语。
as代指整个主句，而as引的这个定语从句是用来补充说明整个主句的，可以放在主句之前或者之后。
5. as常用于be known/ expected/reported等结构中。
Part three Sentence1. It seemed as if the world were coming to an end!as if 引导从句as if 引导的从句一般用虚拟语气，但如果从句所表示的情况有明显的依据或实现的可能性较大，则用陈述语气。
例句：She looks as if she were 3 years younger.as if 引导的从句有时可用省略形式，as if 后面可接副词、不定式、名词、分词或介词短语等。
例句：He acted as if (he were) a fool.2. About 75 percent of the city’s factories and buildings, 90 percent of its homes, and all of its hospitals were gone.分数表达法分子在前，分母在后；分子用基数词，分母用序数词。
分子大于等于2，分母用复数形式。
some of, plenty of, a lot of, most of, the rest of, all of, half of, part of 以及“分数/百分数+of+名词”做主语时，谓语动词的单复数由of后面的名词或代词的单复数决定。
拓展：（1）1/2 通常读作a [one] half，一般不读作a second。
（2）1/4 可读作a [one] fourth，也可读作a [one] quarter。
（3）在数学上，为了简洁起见，分子和分母均可用基数词，其间用介词over。
如：3/4 读作three over four(对于比较复杂的分数通常采用此读法)（4）带分数的读法：在整数与分数之间用and连接。
如：five and two thirds。
