2026新教材仁爱科普版九年级上册英语Unit 2 Brilliant Thoughts暑假预习讲义

第第页2026新教材仁爱科普版九年级上册英语Unit2BrilliantThoughts暑假预习讲义BigQuestion:Whatisinventioninyoureyes?📚重点词汇（含词族拓展）PreparingfortheTopicwooden/ˈwʊdn/adj.木制的；木头的词族拓展（重点！）：wood(n.木头，木材)→wooden(adj.木制的)

-en作形容词后缀：wood→wooden；wool→woolen（羊毛的）；gold→golden（金色的）；silk→silken（丝制的）Thedeskismadeofwood,soit'sawoodendesk.（这张桌子是木头做的，所以是一张木桌。）inventor/ɪnˈventə(r)/n.发明家词族拓展（重点！）：invent(v.发明)→inventor(n.发明家)→invention(n.发明物)

-or/-er表示"做某事的人"：invent→inventor；teach→teacher；work→worker；act→actor

inventvs.discover（中考必考辨析）：invent=发明，创造出原来没有的东西（如：爱迪生发明电灯Edisoninventedthelightbulb）discover=发现，找到原来就存在但未被发现的东西（如：哥伦布发现美洲ColumbusdiscoveredAmerica）ThomasEdisonwasagreatinventor.（托马斯·爱迪生是一位伟大的发明家。）discovery/dɪˈskʌvəri/n.发现；发觉词族拓展：discover(v.发现)→discovery(n.发现)→discoverer(n.发现者)

复数：discoveriesThediscoveryofAmericachangedtheworld.（美洲的发现改变了世界。）ExploringtheTopicposition/pəˈzɪʃn/n.位置；地位；职位holdaleadingpositioninpositionapplyforapositionChinaholdsaleadingpositioninhigh-speedrailwaytechnology.（中国在高铁技术方面处于领先地位。）print/prɪnt/v./n.v.印刷；打印；n.印刷品；印记词族拓展：print(v.印刷)→printer(n.打印机；印刷工)→printing(n.印刷业；印刷)

短语：printout打印出来/inprint已出版/outofprint已绝版/movabletypeprinting活字印刷术Pleaseprintoutthedocument.（请把这份文件打印出来。）

Thisbookisstillinprint.（这本书仍在印刷中。）GrammarinUsebroaden/ˈbrɔːdn/v.增长；变宽；变阔词族拓展（重点！后缀-en作动词后缀）：broad(adj.宽的)+-en→broaden(v.拓宽)wide→widen（加宽）；short→shorten（缩短）；dark→darken（变暗）；sharp→sharpen（削尖）rich→enrich（使丰富）；deep→deepen（加深）；strong→strengthen（加强）Travelingcanbroadenyourmind.（旅行可以开阔你的眼界。）sharp/ʃɑːp/adj.锋利的；尖锐的；敏锐的sharp(adj.锋利的)→sharpen(v.削尖；磨快)→sharpener(n.卷笔刀；磨刀器)

短语：asharpknife锋利的刀/asharpmind敏锐的头脑/at7o'clocksharp七点整Becareful!Theknifeisverysharp.（小心！刀子很锋利。）

Themeetingstartedat8o'clocksharp.（会议在八点整开始。）Developing&WrappingUpimaginative/ɪˈmædʒɪnətɪv/adj.富于想象力的；创新的词族拓展（重点！）：imagine(v.想象)→imagination(n.想象力)imaginative(adj.富于想象力的，修饰人)↔imaginary(adj.想象中的，虚构的)

短语：imaginedoingsth.想象做某事/beyondimagination超出想象

例句：Childrenareveryimaginative.（孩子们很有想象力。）Thestoryisfromhisimagination.（这个故事出自他的想象。）Imagineyouareflyinginthesky.（想象一下你正在天空中飞翔。）

Thelittlegirlhasrichimagination.（这个小女孩有丰富的想象力。）awake/wake/əˈweɪk///weɪk/adj./v.awakeadj.醒着的；v.唤醒；wakev.醒，醒来词族拓展：wake(v.醒)→woke(过去式)→woken(过去分词)awake(adj.醒着的)↔asleep(adj.睡着的)

搭配：wakeup醒来；stayawake保持清醒；wideawake完全清醒Iwasstillawakeatmidnight.（我半夜还醒着。）✏词汇配套练习📝练习一：用括号内词的适当形式填空1ThomasEdisonwasagreat______(invent).2The______(discover)ofradiumwonMarieCurietheNobelPrize.3Readingcan______(broad)yourmind.4Please______(sharp)yourpencilbeforetheexam.5Childrenarevery______(imagine).6Iwasstill______(wake)at11p.m.【参考答案】1.inventor2.discovery3.broaden4.sharpen5.imaginative6.awake📝练习二：inventvs.discover辨析1Bell____(invent/discover)thetelephonein1876.2Columbus____(invent/discover)Americain1492.3Edison____(invent/discover)morethan1,000inventionsinhislife.4Scientists____(invented/discovered)anewstarinthesky.5TheChinese____(invented/discovered)paperinancienttimes.【参考答案】1.invented（电话是发明）2.discovered（美洲大陆是发现）3.invented（1000多项发明）4.discovered（恒星是发现，本来就存在）5.invented（纸是发明）📝练习三：用imaginative/imaginary/imagination/imagine填空1Childrenusuallyhaveagood____(想象力).2Thestoryisnotreal.Itiscompletely____(虚构的).3Heisan____(富于想象力的)writer.4Canyou____(想象)lifewithouttheInternet?5Thelittlegirlhasavivid____(想象力).【参考答案】1.imagination（名词）2.imaginary（形容词，意为"虚构的"）3.imaginative（形容词，修饰人）4.imagine（动词原形）5.imagination（名词）📝练习四：用print/printer/printing填空1Please____(print)thisdocumentforme.2The____(printer)isoutofpaper.3Movabletype____(printing)wasinventedbyBiSheng.4Thebookisinitsthird____(printing).5Weneedacolour____(printer)fortheoffice.【参考答案】1.print（动词原形）2.printer（名词）3.printing（动名词作主语）4.printing（名词，"印刷/第几次印刷"）5.printer（名词）📝练习五：awake/asleep/wake用法辨析1Don't____(wake)himup.Heissleeping.2Heisstill____(awake/asleep)at2a.m.Heisreadingabook.3Thebabyfell____(awake/asleep)soon.4I____(wake)upat7everymorning.5Mygrandfatherisalightsleeper.Heisalways____(awake/asleep).【参考答案】1.wake（动词原形，wakeup唤醒）2.awake（醒着的，反义词asleep）3.asleep（睡着的，反义词awake）4.wake（动词一般现在时，wakeup醒来）5.awake（他总是醒着的，因为他睡得轻）🔗重点短语（含详解）bemadeof由……制成（能看出原材料）用法讲解（重点！）：

①bemadeof：看得出原材料（物理变化）

•Thedeskismadeofwood.（桌子是木头做的，能看出木头。）

②bemadefrom：看不出原材料（化学变化）

•Paperismadefromwood.（纸是木头做的，看不出木头。）

③bemadein+产地：在……制造

•ThisphoneismadeinChina.（这部手机是中国制造的。）

④bemadeby+制造者：由……制造

•Itwasmadebymyfather.（这是我爸爸做的。）beusedfor用于……用法讲解：for是介词，后接名词或动名词（v-ing）。

完整结构是被动语态：beusedfor(doing)sth.被用来做某事。

类似表达：beusedtodosth.被用来做某事（接动词原形）；beusedas被用作……Thelockisusedforlockingthedoor.（锁是用来锁门的。）Itissaidthat...据说……用法讲解：英语中常用Itis+过去分词+that从句，表示"据……"。

Itissaidthat...据说……

Itisreportedthat...据报道……

Itisknownthat...众所周知……

可转换为：Peoplesaythat.../Asthesayinggoes,...ItissaidthatthecompasswasinventedinChina.（据说指南针是中国发明的。）bringabout引起；导致同义表达：cause；leadto；resultin

例句：TheInternethasbroughtaboutgreatchangestoourlife.（互联网给我们的生活带来了巨大变化。）dependon依赖于；取决于用法讲解：on是介词，后接名词或动名词。

例句：Whetherwegodependsontheweather.（我们是否去取决于天气。）dayandnight日日夜夜；夜以继日同义表达：dayafterday；nightandday

例句：Heworkeddayandnighttofinishtheinvention.（他夜以继日地工作来完成这项发明。）✏短语配套练习📝练习一：用bemadeof/bemadefrom/bemadein/bemadeby填空1Wineis____________grapes.2Thesechairsare____________bamboo.3Wherewasthiswatch________?4Thiscarwas________afamouscompany.5Thetableis____________wood,soyoucanseethewood.6Cheeseis____________milk.7ThiskindofTVis________Japan.8Thecakewas________mygrandma.【参考答案】1.madefrom（酒看不出原材料葡萄）2.madeof（椅子能看出竹子）3.madein4.madeby5.madeof（能看出木头）6.madefrom（奶酪看不出牛奶）7.madein（产地）8.madeby（制造者）📝练习二：beusedfor/beusedas/beusedtodo辨析填空1Knivesareused________(切)food.2Bamboocan____________(被用作)buildingmaterial.3Thisroom________________(用来开会)everyMonday.4English____________(被用来)communicatewithpeoplefromdifferentcountries.5Thepenisused________(写字).Thepenis____________apen.【参考答案】1.for;cutting（接动名词）2.beusedas（被用作）3.isusedforholding（用来开会）4.isusedto（被用来）5.for;writing;usedas;pen（介词for+动名词；as后接名词）📝练习三：用Itissaidthat/bringabout/dependon/dayandnight填空1____________(据说)thecompasswasinventedinancientChina.2TheinventionoftheInternethas________(带来)greatchangestoourlife.3Whetherwecangoout________(取决于)theweather.4Heworked____________(夜以继日)tofinishtheexperiment.5Success________(取决于)yourhardworkandpatience.【参考答案】1.Itissaidthat2.broughtabout3.dependson4.dayandnight5.dependson📝练习四：句型转换（用Itissaidthat...改写）1PeoplesaythatthetelephonewasinventedbyBell.→____________thetelephone________byBell.2PeoplesaythatEdisoninventedthelightbulb.→____________Edison________thelightbulb.3PeoplesaythatChinainventedpaperfirst.→____________China________paperfirst.【参考答案】1.Itissaidthat;wasinvented2.Itissaidthat;invented3.Itissaidthat;invented📐语法精讲+配套练习一、后缀-en（动词/形容词后缀）1.-en作动词后缀：加在形容词后，表示"使……变得"2.-en作形容词后缀：加在名词后，表示"由……制成的"注意：enrich,encourage,enable等词中en-是前缀（表示"使……"），不是后缀-en，需区分！二、被动语态（一）PassiveVoice(I)构成：be+过去分词（pastparticiple）易错点：

①不及物动词（happen,takeplace,appear等）无被动语态。

✗Theaccidentwashappenedyesterday.

✓Theaccidenthappenedyesterday.

②及物动词短语（如lookafter,takecareof）变被动时，不能丢掉介词：

主动：Weshouldtakecareofthechildren.

被动：Thechildrenshouldbetakencareof.ThefirsttelephonewasinventedbyAlexanderGrahamBellin1876.PotatochipswereinventedbyGeorgeCrumin1853.Now,post-itnotesareusedallovertheworld.三、bemade+介词辨析（中考常考易错点！）核心问题：bemade后接不同介词，含义完全不同：中考典型对比：

•桌子madeofwood←你看到桌子，能辨认出是木头做的

•纸madefromwood←你看到纸，无法辨认出是木头做的

•木头madeinto纸←木头→纸（方向与of/from相反）Thissweaterismadeofwool.（这件毛衣是羊毛织的。——看得出羊毛）Wineismadefromgrapes.（葡萄酒是用葡萄酿的。——看不出葡萄）Grapescanbemadeintowine.（葡萄可以被酿成葡萄酒。）✏语法配套练习📝练习一：将下列句子改为被动语态1PeopleusetheInternetwidelytoday.→TheInternet____widely____today.2AlexanderGrahamBellinventedthetelephonein1876.→Thetelephone________byAlexanderGrahamBellin1876.3Theybuiltanewbridgelastyear.→Anewbridge________bythemlastyear.4Weshouldplantmoretrees.→Moretreesshould________byus.5PeoplespeakEnglishinmanycountries.→English________inmanycountries.6TheywillholdameetingnextMonday.→Ameetingwill________bythemnextMonday.7Wecanseestarsatnight.→Stars________atnight.8Mymothermadethecakeyesterday.→Thecake________bymymotheryesterday.【参考答案】1.is;used2.wasinvented3.wasbuilt4.beplanted5.isspoken6.beheld7.canbeseen8.wasmade📝练习二：用-en后缀完成句子1Travelingcan____(拓宽)yourhorizons.2Please____(削尖)yourpencilbeforethetest.3Readinggoodbookscan____(丰富)yourmind.4Thedaysaregettinglongerandthenightsare____(变短).5Theoldmanusedexerciseto____(加强)hisbody.6Theriverisgetting____(变宽)yearbyyear.7Thecoloroftheskybeganto____(变暗).8Wemust____(加深)thefriendshipbetweenus.【参考答案】1.broaden2.sharpen3.enrich4.shortening5.strengthen6.widen/broaden7.darken8.deepen📝练习三：判断下列句子是否正确（正确的写T，错误的改错）1Themeetingwastakenplaceyesterday.（）2Theaccidenthappenedlastnight.（）3Thechildrenaretakengoodcareofbythenurse.（）4Anewhospitalwillbebuiltnextyear.（）5ThebookwaswrittenbyLuXun.（）【参考答案】1.✗应改为：Themeetingtookplaceyesterday.（takeplace是不及物动词，无被动）2.T（happen是不及物动词，无被动）3.T（动词短语takecareof变被动，介词of不可丢）4.T5.T📝练习四：bemadeof/from/in/by/into辨析填空1Thechairis____wood.Youcanseethewoodclearly.2Paperis____wood.Youcan'tseethewoodinpaper.3Thiswatchis____Switzerland.It'sveryfamous.4Thecakewas____mymother.Ittastesdelicious.5Woodcanbe____paper,furnitureandmanyotherthings.6Glassis____sandandothermaterials.7Thisshirtis____cotton.Itfeelssoft.【参考答案】1.madeof（看得出原材料→of）2.madefrom（看不出原材料→from）3.madein（强调产地→in）4.madeby（强调制造者→by）5.madeinto（强调成品→into）6.madefrom（看不出原材料→from）7.madeof（看得出原材料→of）📝练习五：写出下列名词的-en形容词1wood→____（木制的）2wool→____（羊毛的）3gold→____（金色的）4silk→____（丝制的）5wax→____（蜡制的）6用上面的形容词造一个句子：This____bridgeisveryold.【参考答案】1.wooden2.woolen/woollen3.golden4.silken5.waxen6.wooden（Thiswoodenbridgeisveryold.）✏重点句式①bemadeof/beusedfor—描述物品材质与用途—What'sthelockmadeof?—Itismadeofmetal.—Whatisitusedfor?—Itisusedforlockingthedoor.②Itissaidthat...—据说……（被动句型）Itissaidthatitwasinventedin1879.③被动语态（一般过去时）ThetelephonewasinventedbyBellin1876.④反义疑问句Thesegreatinventionshavetrulychangedtheworld,haven'tthey?✏句式配套练习📝练习一：bemadeof/beusedfor问答练习1桌子（wood）/用于学习。→—Whatisthedesk________?—Itis________wood.—Whatisit________?—Itis____________.2筷子（bamboo）/用于吃饭。→—What____chopsticks________?—They____________bamboo.—What____they________?—They____________food.3纸张（wood）/用于写字。→____【参考答案】1.madeof;madeof;usedfor;usedforstudying2.are;madeof;aremadeof;are;usedfor;areusedforeating3.—Whatispapermadeof?—Itismadeofwood.—Whatisitusedfor?—Itisusedforwriting.📝练习二：反义疑问句1ThetelephonewasinventedbyBellin1876,________?2PaperwasmadeinChinafirst,________?3TheInternethaschangedourlifealot,________?4Theseinventionsareveryuseful,________?5Thecompasswasn'tinventedinEurope,________?【参考答案】1.wasn'tit（陈述句是肯定，反问部分用否定）2.wasn'tit3.hasn'tit4.aren'tthey5.wasit（陈述句是否定，反问部分用肯定）📝练习三：英汉互译（运用本单元重点句式）1据说指南针是中国古代发明的。2这把椅子是木头做的，用来坐着休息。3Thesegreatinventionshavechangedtheworld,haven'tthey?4ThelightbulbwasinventedbyEdisonin1879.【参考答案】1.ItissaidthatthecompasswasinventedinancientChina.2.Thechairismadeofwoodandisusedforsittingandresting.3.这些伟大的发明改变了世界，不是吗？4.灯泡是爱迪生于1879年发明的。📋Unit2综合训练综合卷一：词汇与短语综合运用（10题）1TheChinese____(invent)ofpaperwasagreat____(achieve)inworldhistory.2Thischairis____________wood,andthis