英语人教版2019必修二Unit3词汇精讲精炼（答案版）

Unit3词汇精讲精炼目录TOC\o"13"\h\z\u连词成段 1精讲精炼 2convenient 2benefit 3distance 4access 4account 5upset 6case 6gothrough 7stuck 8inspire 9press 9inshape 10target 11embarrassing 11重点单词 12重点短语 13单词派生 13连词成段BalancingtheInternet'sBenefitsandDrawbacksThe

Internet

hasmadeourlivesincredibly

convenient,bringingcountless

benefits

byshrinking

distance.Witheasy

access

toonlineplatforms,peoplecancreatean

account

toconnectwithothersorseekinformation.However,it’snotalwayssmooth:sometimesweget

stuck

intechnicalglitches,feeling

upset

whenpagesloadslowly.Takethe

case

ofworkingfromhome—many

wentthrough

daysoffrustratinginternetissues.Yet,the

Internet

also

inspires

us:fitnessappshelpusersstay

inshape,andmotivationalvideos

press

ustopursue

targets.

Targeted

adstailorcontenttoourinterests,thoughoccasionallycausing

embarrassing

moments,likeaccidentalposts.Overall,whilethe

Internet

hasitshiccups,itsabilitytobridgegapsandofferendlesspossibilitiesmakesitanindispensablepartofmodernlife.译文：互联网让我们的生活变得极为便捷，通过缩短距离带来了无数益处。借助在线平台的便捷访问，人们可以创建账户与他人连接或查询信息。然而，这并非总是一帆风顺：有时我们会困于技术故障，在页面加载缓慢时感到心烦意乱。以居家办公为例——许多人都经历过数天令人沮丧的网络问题。不过，互联网也激励着我们：健身应用帮助用户保持健康体态，励志视频促使我们追逐目标。定向广告根据我们的兴趣定制内容，尽管偶尔会造成尴尬时刻，比如误发帖子。总体而言，尽管互联网存在小瑕疵，但其跨越隔阂、提供无限可能的能力，使其成为现代生活中不可或缺的一部分。精讲精炼convenientadj.方便的；近便的；便利的派生：conveniencen．[U]便利；方便；[C]便利设施→inconveniencen．不便→convenientlyadv.方便地，便利地搭配：Itisconvenientforsbtodosth某人方便做某事atone’sconvenience在某人方便的时候forconvenience为了方便起见atyourearliestconvenience(正式用语)(书信用语)尽早；尽快注意：

convenient

作表语时，不可用人作主语，要用物作主语或用it充当形式主语。表达“如果你方便”和“在你方便的时候”时，要分别用

ifit

is

convenient

for

you

和when

it

is

convenient

for

you

，且在itisconvenientforsbtodosth结构中，介词for不能用介词of代替。例句：Takingthesubwayisaconvenientwaytotravelinbigcitiesasitcanavoidtrafficjams.乘坐地铁是在大城市出行的一种便捷方式，因为它可以避开交通拥堵。即学即练1.Wi­Fibringsconvenience(convenient)toourdailylife，enablingustoeasilychatonline，streamvideosandgainupdatedinformation.2.Ifitisconvenientforyoutoinstruct(instruct)us,couldwemeetinourschoolarthallat8∶00amthisSaturday?3.Iwouldappreciateitifyoucouldreplytomyletteratyourearliestconvenience.4.Thenewshoppingmallisconveniently(convenient)locatednearthebusstation,makingitaccessibleformanycustomers.5.Ifinditconvenienttocarryasmallnotebooktojotdownimportantideas.6.Mobilepaymenthasmadeourdailyshoppingmuchmoreconvenient(convenient).7.WoulditbeconvenientforyouifwegotothebookstorethisSunday？8.It’sveryconvenienttoget(get)therebytakingBusesNo.17,69or59besidesSubwayLine2.benefitn．益处；利益；好处vt.使受益vi.得益于派生：beneficialadj.有利的；有益的；受益的搭配：n.forthebenefitofsb＝forone’sbenefit为了某人的利益to...neficialto...＝beofbenefitto...对……有益；对……有利v.benefitsb/sth使某人或某物受益benefitfrom/by...从……中受益/获益例句：Wecanbenefitagreatdealfromreadingclassicliterature,asitbroadensourhorizonsanddeepensourunderstandingoflife.我们能从阅读经典文学作品中获益良多，因为它拓宽我们的视野并加深我们对生活的理解。即学即练1.Observingthelawsofnatureisbeneficial(benefit)tohumanbeingsaswellasothercreatures.2.Manypeopleinthecountrysidehavebenefitedfromthegovernment'spovertyalleviationprojectsandnowliveabetterlife.3.Wewillbenefitalotfromprotecting(protect)oceans,solet’stakeactionrightnow.4.Protectingoceansisofgreatbenefittous,solet’stakeactionrightnow.5.Readingregularlyishighlybeneficialtoyourvocabularyandprehensionskills.6.Eatingabalanceddietandgettingenoughsleepare(be)beneficialtomaintainingapositiveattitudetowardslife.7.Thenewteachingmethodisbeneficialtocultivating(cultivate)students’independentthinkingability.8.Readingalotisofbenefittoimproving(improve)yourEnglish.distancen．距离；远方派生：distantadj.遥远的；远处的；疏远的→distantlyadv.远离地；疏远地搭配：n.距离inthedistance在远处at/fromadistance隔一段距离；从远处at/fromadistanceof...从……远的地方(of后跟具体的距离)withinwalkingdistance走着就能到n.疏远keepsb.atadistance同某人疏远，对某人冷淡，与某人保持一定距keepone'sdistance(from...)(与……)保持距离；疏远…例句：Thereseemstobeagrowingdistancebetweenparentsandteenagersduetothegenerationgap.由于代沟，父母和青少年之间的隔阂似乎越来越大。即学即练1.Onaverage,ittakesmeaboutfifteenminutestocoverthedistance(distant)fromhometoschool.2.We’llholdafruitpickingactivitynextSaturdayonafarmwhichisatadistanceoftwokilometresfromourschool.3.Youcanalsovisitthecitymuseum,whichiswithinwalkingdistanceofthehotelwhereyoustay.4.Wesawabeautifulmountainrangeinthedistancewhenweclimbedtothetopofthehill.5.Shetriedtokeepherdistancefromthenoisycrowdandfoundaquietcornertoread.6.Lighttravelsfasterthansound,soweseelightningfirstevenatalongdistance.7.Thesoundofthewaterfallcanbeheardatadistanceof20miles.accessn．通道；(使用、查阅、接近或面见的)机会vt.进入；使用；获取派生：accessibleadj.可接近的；可使用的；易懂的；随和的→inaccessible

adj.难以接近的搭配：have/get/obtain/gainaccessto拥有……的机会；可以接近/进入beaccessibleto可接近的；可靠近的；可使用的access

to

+

n

．通往……的路（类似的名词：key/

answer/solution/entrance）注意：access的本意是“进入某一地点的通道或者入口”，侧重于进入的手段和途径，其含义是抽象的，一般用作不可数名词，常与介词to连用。例句：Everystudentshouldhaveequalaccesstoqualityeducation,regardlessoftheirfamilybackground.每个学生都应有平等获得优质教育的机会，无论其家庭背景如何。即学即练1.Nowthatyouhaven’tappliedforanaccount,thewebsiteisnotaccessible(access)toyou.2.WecangetaccesstowhateverwedesiretolearnontheInternetandthus，onlinelearningbenefitsusgreatly.3.Itisunusualforustohaveaccesstothecastle,whichiswatchedoverdayandnightbysoldiers.4.Itisessentialfortheelderlytolearnhowtoaccess(access)informationonsmartphones.5.Everycitizenshouldhaveequalaccesstovoting(vote)indemocraticcountries.6.TheInternethasgivenruralresidentsgreateraccesstoselling(sell)localproductsandmunicatingwiththeoutsideworld.7.写出下列句中黑体词的含义①Lowpriceandeasyaccesstoinformationmakestudentsuseputersalot.查阅的机会②Theonlyaccesstothefarmhouseisacrossthefields.通道③Heaccessedthreedifferentdocumentstofindthecorrectinformation.使用accountn．账户；描述；账目；说明v．认为；说明派生：accountantn．会计员；会计师搭配：v.accountfor说明；做出解释；占……(比例)n.onaccountof由于，因为=

due

to

=

owing

to=becauseof=thanksto=asaresultofonnoaccount决不(置于句首时，句子用部分倒装)=

by

no

means

=

in

no

casetakeaccountof(＝oaccount/consideration)考虑到……，把……考虑进去giveanaccountof...叙述/描述……=give

a

descriptionof

描述……例句：Takingintoaccountstudents’interestintraditionalculture,ourschoolhasopenedcalligraphyandteaartcourses.考虑到学生对传统文化的兴趣，我校开设了书法和茶艺课程。即学即练1.Couldyouaccountforyourrudebehaviorthatnight?2.Onaccountoftheunexpectedheavyrain,wehadmoredifficultyfindingourwayhome.3.OnnoaccountwillIgiveupuntilIachievemygoal.4.Iwouldbeverygratefulifyoucouldtakemyapplicationintoaccount.5.Idohopeyoucantakemyremendationintoaccountandwheneveryouneedhelp,don'thesitatetoletmeknow.upsetadj.心烦的；苦恼的；沮丧的；不安的vt.(upset，upset)使烦恼；使生气；使不安；使心烦；打翻；搅乱搭配：adj.beupsetabout/over/atsth为某事心烦beupsettodosth对做某事感到不安v.Whatupsetssbis...让某人心烦的是……Itupsetssbtodosth/that...做某事让人心烦/让某人心烦的是……Itupsetssb.that...让某人心烦的是……熟词僻义：vt.打翻，碰倒，使倾覆；打乱，搅乱例句：Theunexpecteddelayupsetourplantovisitthemuseum,sowehadtoreschedule.意外的延误打乱了我们参观博物馆的计划，因此我们不得不重新安排时间。即学即练Theauthorwasupsetabout/over/athisson’sterribleacademicperformances.Weareupsettohear(hear)thatyouaresufferingfromaseriousillnessandIsincerelyhopeyouwillsoonberestoredtohealth.IwasupsetthatamanwithastickbeatmybeloveddogSpottywithoutmercy.WhatupsetmewasthatamanwithastickbeatmybeloveddogSpottywithoutmercy.ItupsetmethatamanwithastickbeatmybeloveddogSpottywithoutmercy.猜测句中加黑词汇的汉语意思Hestoodupsuddenly,upsettingacupofcoffee.打翻casen．盒；箱；事例；事件；情况；病例；案件搭配：incase以防(万一)inthis/thatcase假使这样/那样的话incaseof万一……，如果发生……inanycase无论如何；总之innocase决不(置于句首时，句子用部分倒装)=onnoaccount=bynomeans=atnotime=innowayasisoftenthecase这是常有的事acaseinpoint 恰当的例子；例证例句：Inmanycases,studentsignoretheirmentalhealthuntilproblemsappear.Weshouldpaymoreattentiontoitandseekhelpintime.在很多情况下，学生们直到问题出现才忽视心理健康。我们应该更加关注，并及时寻求帮助。即学即练1.Asisoftenthecase(这是常有的事),westudentsfeelasifsittingonpinsandneedlesbeforetheendoftermexamination.Firstly,innocase(决不)shouldwelosepatienceanddetermination.Besides,it’sbesttodrinkacupofhotmilkincase(以防)wehavedifficultysleeping.Lastbutnotleast,whynotkeepournotesandtextbooksonhandincaseof(万一发生)someforgottenknowledgepoints？Inthiscase(假使这样的话),wearecertaintogainanexcellentacademicperformance.2.Asisoftenthecase,Ihavegotinspirationaswellasencouragementfromthepaper.3.写出下列句中黑体词的含义/单句语法填空①Therewassomethingmysteriousinthemetalliccase.盒；箱②Thecasewasputoffintheabsenceofenoughevidence.案件③Asisoftenthecase,heisalwaysputtingforwardsomeembarrassingquestions.情况gothrough经历；度过；完成；通过；检查；用完；通读拓展：①与go有关的短语：godown下降，下跌；(日、月)落下goup上升；上涨goout(火或灯)熄灭；过时；外出goahead先走；发生，进行；开始着手goby经过；流逝goon发生；继续做goafter追逐；追求goagainst反抗；违反；对……不利goover复习；重温；仔细检查goinfor爱好；参加(考试或竞赛)gowithout...没有……也行②“动词＋through”构成的短语：getthrough完成，熬过lookthrough浏览seethrough看穿例句：Theteacherwentthroughthestudents’paperscarefullytocheckformistakes.老师仔细检查学生的试卷，查找错误。即学即练1.Asmoreandmoregreenhousegasesarereleasedtotheatmosphere,theglobaltemperatureisgoingup.2.IentirelyunderstandwhatyouaregoingthroughbeforetheCollegeEntranceExamination.Somanylessonsneedgoingover.3.Withtimegoingby,youhavebeemoreandmoreupset.Here,Istronglysuggestthatyoushouldgoaheadwithascientificlearningplan.Afterstudyingforsometime,you’dbettergoouttothenearbysightseeing.Moreimportantly,nevergoagainstlearningregulations.4.Ourteacherchosemanyimportantexercisesforus,andIwentoverthelanguagepointsatthesametime.5.一词多义①Shewentthroughalotofpainaftertheaccidentbutfinallyrecovered.经历（困难、痛苦等）②Theteacherwentthroughthestudents’paperscarefullytocheckformistakes.仔细检查③Weneedtogothroughthreestepstopletetheexperiment.完成；做完④ThenewlawwentthroughCongressaftermonthsofdebate.通过⑤Wewentthroughtwobottlesofwaterduringthehike.用完；耗尽stuckadj.卡住；陷入；困于搭配：be/get

stuck

in

卡住；陷入=be/getcaughtin

=be/gettrappedinbestuckonsth.被某事难住拓展：

区分stick和strike①stick

vt.&

vi.刺；粘贴（过去式

stuck

，过去分词

stuck）

n.棍，棒；枝条stick

to

坚持；遵守；粘住sticktodoing坚持做某事=insistondoing②strike

v.击打；碰撞；罢工；侵袭（过去式struck，过去分词struck，adj.stricken）go/

be

on

strike罢工（短语）

；abrilliant/goodideastruck/hit/occurred)某人突然想到一个好主意。例句：DuringtheSpringFestival,familiesgathertogether,andeventhosestuckfarawayfromhometrytoreturn.春节期间，家人们聚在一起，即使是那些远在他乡的人也设法回家。即学即练1.Tomfoundhimselfstuckinthedeepforest,withnoideahowtogetback.2.I’mstuckonthismathproblemandneedhelp3.Manysmallbusinessesarestuck(stick)infinancialdifficultiesduetotheeconomiccrisis.4.Passengerswerestuckattheairportforhoursbecauseoftheflightdelay.inspirevt.鼓舞；激励；启发思考

派生：inspired

adj.受到鼓舞的→

inspiring

adj.令人鼓舞的

→inspiration

n.鼓舞；灵感

搭配：beinspiredby受到……的启发；由……得到灵感inspire

sb.

to

do

sth.鼓励某人做某=encourage

/motivate/stimulateinspiresb.withsth.=inspiresth.insb.使某人产生……感觉/情感例句：Mygrandfatherinspiresmetofacechallengesbravelywithhispositiveattitudetowardslife.祖父用他对生活的积极态度激励我勇敢面对挑战。即学即练1.Theteacher’swordsinspiredmetowork(work)harderandpursuemydreams.2.Shewasinspired(inspire)bytraditionalChinesearttocreateherownuniquestyle.3.Hissuccessstoryinspiredhopeinyoungpeoplewhostrugglewithpoverty.=Hissuccessstoryinspiredyoungpeoplewhostrugglewithpovertywithhope.4.Theathlete’sinspiring(inspire)performancewontherespectofallspectators.5.Naturehasalwaysbeenagreatsourceofinspiration(inspire)forartists.6.Afterattendingthelecture,Ifeltinspired(inspire)totakeactionforenvironmentalprotection.pressvi./vt.按；压；挤派生：pressure

n.压力；

词缀：impression

n.印象expression

n.表达，表情搭配：v.press

(...)

against

…按／压（...)press

sb.

into

(doing)

sth.敦促某人做某事press

sb.

to

do

sth.催促／极力劝说某人做某事impose

/press

sth.

on

sb.把（想法，事物等）强加于某人n.新闻界pressconference新闻发布会例句：Thepressplayedanimportantroleinspreadinginformationabouttheenvironmentalcrisis.新闻界在传播环境危机信息方面发挥了重要作用。即学即练1.Themanagerpressedustofinish(finish)theprojectbeforethedeadline,whichmadeusstressed.2.Parentsshouldnotpresstheirchildrenintotakingtoomanyafterschoolclasses.3.Thenursepressedacottonpadagainstthewoundtostopthebleeding.4.AlthoughIamundergreatpressure(press),encouragementfrommyparentsfortsmegreatly.5.Themostpressing(press)issueatthemomentistheshortageofmedicalsupplies.6.Thestudentsareunderalotofpressuretogetgoodgrades.7.Withthepumpkinrestingonthetable,Ibentoverandpressedmyheadagainsttheopening.inshape状况良好（inagoodcondition)拓展：与shape有关的短语in

good

/

bad

shape

健康状况良好／糟糕in

the

shape

of

..．呈……的形状；以……的形式

keepinshape保持健康out

of

shape

变形的，走样的，健康状况不好的take

shape

成形；有了模样shape

one’s

character/

life

decisions

塑造性格/人生决定shapesth.intosth.将某物塑造成……例句：Althoughtheoldbookisdecadesold,it’sstillingoodshapeduetocarefulpreservation.尽管这本旧书已有几十年历史，但由于保存得当，品相依然完好。即学即练1.Aftermonthsoftraining,theathletewasfinallyingreatshapeforthepetition.2.Theartistshapedtheclayintoahumanfigure.3.Theplansforthenewparkarestartingtotakeshape.新公园的规划开始成形了。4.Evenwhentraveling,Itrytokeepinshapebygoingforrunsordoingyogainthehotel.即使旅行时，我也会通过跑步或在酒店做瑜伽来保持状态。5.Theoldsofaissooutofshapethatit’sunfortabletositon.旧沙发变形严重，坐着不舒服。6.Readingclassicliteratureshapesstudents’characterbyfosteringempathyandcriticalthinking.阅读经典文学通过培养同理心和批判性思维塑造学生的性格。targetn.目标；靶子v．把……当作目标搭配：n.目标；靶子atargetforsb./sth.…的攻击对象/目标atargetgroup/user目标群体/用户setatarget制订目标=

seta

goal

/setan

aim

/setanobjectivemeet/achieveatarget完成目标hit/missthetarget中靶/脱靶vt.面向target...at…面向……针对……be

targeted

at

...是面向…的；是…针对…的辨析：target、goal和aim①target具体的、可量化的目标（如指标、数字） ②goal 长期的、抽象的人生或事业目标 ③aim 短期的、具体的行动目的例句：Ourschoolhassetatargetofcreatingareadingfriendlyenvironmenttoencouragestudents’enthusiasmforbooks.我校设定了创建阅读友好环境的目标，以激发学生的阅读热情。即学即练1.Thepany’slatestadvertisingcampaignistargetedatmiddleclassfamilies.2.Lilyhadbeenatargetforherclassmates’teasingbecauseofheraccent.3.Thepanyhassetatargetofreducing(reduce)carbonemissionsby30%withinfiveyears.4.Weneedtosetmeasurabletargets(target)totrackourprogress.5.Thisnewsmartphoneistargeted(target)atyoungprofessionalswhovaluebothstyleandperformance.embarrassingadj.让人难堪(尴尬,害羞)的派生：embarrassvt.使窘迫，使尴尬→embarrassmentn.窘迫，难堪→embarrassedadj尴尬的，害羞的，窘迫的搭配：toone’sembarrassment使某人感到尴尬的是beembarrassedat/about...因…尴尬/难堪beembarrassedtodosth.做某事感到尴尬例句：Thoughtheembarrassingmomentatthepetitiontaughtmetopreparethoroughly,italsomadememoreconfidentinfacingchallenges.尽管比赛中的尴尬时刻让我学会了充分准备，但也让我面对挑战时更自信了。即学即练1.InWesterncountries,burpingafteramealisconsideredembarrassing(embarrass),whileinsomeAsiancultures,itmayshowsatisfaction.2.Forgettingyourlinesonstageisoneofthemostembarrassing(embarrassing)thingsthatcanhappentoanactor.3.Tohisgreatembarrassment(embarrass),heforgothisgirlfriend’sbirthdayagain.4.Hisfaceturnedredandhelookedembarrassed(embarrass)whentheteacherpraisedhimunexpectedly.5.Hewastooembarrassedtolook(look)upafterfailingthemathtestinfrontoftheclass.6.ManystudentsareembarrassedaboutspeakingEnglishinpublicduetofearofmakingmistakes.7.Itembarrassedhimthathehadnoideaofwhatwasgoingon.重点单词单词含义单词含义enginen．引擎；发动机；火车头plusconj.而且；此外n．加号；优势prep.加；另加searchen