Unit 2 单元同步词汇学案- 高中英语人教版（2019）选择性必修第三册

1.strengthn.力量;强硬;长处Forasmallwomanshehassurprisingstrength.她个子虽小，但力大惊人。Thegreatstrengthofourplanliesinitssimplicity.我们的方案很大的长处在于简单。Toleranceisoneofhermanystrengths.宽容是她的众多优点之一。【拓展】strengthenv.加强;strongadj.强的;坚强的;强烈的;强壮的Thislatestdevelopmenthasfurtherstrengthenedmydeterminationtoleave.最近事态的发展更增强了我离开的决心。Stayindoorsinthemiddleoftheday，whenthesunisstrongest.中午阳光最强的时候待在室内。【辨析】strength，power，energy，force都有“力量”的意思：strength指某人或某物所具有的内在力量，可指体力、力气或抽象的力量，也表示“强项，长处”。power可指动力、思维能力等各种力量或能力。如物理学的动力、电力等，也表示“权力，职权”。energy在物理学定义中为“能，能量”，用于生理学上指“精力”。fullofenergy“精力充沛”。force指“武力，力量;军队”。2.benefitv.得益;受益n.利益，益处Thecommunitywillbenefitfromthenewindustry.这个社区将因新工业而获益。Hecouldntseethebenefitofarguinganylonger.他看不出再争论下去有什么好处。【拓展】benefitfrom通过……获益;受益;得力;受用;beofbenefitto对……有益，有好处;forthebenefitof为了……的好处（利益）;beneficialadj.有益的，有用的;bebeneficialto对……有益Tedmightbenefitfromhearinghisownvoicerecordedandplayedback.听自己声音的录音回放对特德可能会有帮助。Thereislittledoubtthatskindoesbenefitfromexfoliation.毫无疑问，脱皮对皮肤有益。DoyouthinksurfingInternetisofbenefittostudents？你认为上网对学生有好处吗？Youhadbettergototheseasideforthebenefitofyourhealth.为了你的健康，你最好到海边去。Doyouthinkcloningmaybebeneficialhelpfultohuman？你认为克隆可能对人类有帮助吗？3.liev.說谎（lied，lied，lying）;躺下;位于n.谎言Therewasachildlyingontheground.地上躺着一个小孩。TheislandslieatthesouthernendoftheKurilechain.这些岛屿位于千岛群岛的南端。【拓展】lietosb.向某人说谎;liein位于;tellalie说谎;awhitelie善意的谎言ItappearsthatwhatIsaidwasuntrue，butIdidnotknowinglylietoyou.看来我说错了，但是我并非故意向你撒谎。Thechiefproofofamansrealgreatnesslieinhisperceptionofhisownsmallness.一个人真正伟大的主要证明在于认识到自己的渺小。Shewouldntscrupletotellalieifshethoughtitwouldbeuseful.她只要认为说谎有利，就连犹豫都不犹豫。Hetoldherawhiteliesoasnottohurtherfeelings.为了不伤她的感情，他说了个没有恶意的谎话。4.cutdown削减;降低;删减;砍倒cutdown是短语动词，其中down是副词，后面接名词。当代词作宾语时，置于cut与down之间。Irecommendedthatyou（should）cutdownthecost.我劝你减少成本。Cutdownthearticlesoastomakeitfitthespaceavailableonthepaper.把文章缩短一些，这样就能排进报纸有限的版面中。【拓展】cutout意为“删除;切下;关掉;安排”，是短语动词，其中out是副词，后面接名词。当代词作宾语时，置于cut与out之间。cutup意为“使难过;切碎”，是短语动词，其中up是副词，后面接名词。当代词作宾语时，置于cut与up之间。cutoff表示“切断;切掉;删除;阻隔;割切”，是短语动词，其中off是副词，后面接名词。当代词作宾语时，置于cut与off之间。Thesearethetaskscutoutforthisweek.这些是安排在这星期做的工作。Icutupthemeatforcookingmeatball.我把肉剁碎后做肉丸子。Hehadafingercutoffbyamachinewhileworking.他在工作时被机器切掉了一个手指。Inordernottobelate，shecutacrossthefields.为了不迟到，她抄近路穿过田野。练一练1I.单句语法填空。1.Ourbodiesare_______（strong）byworkingout.Similarly，ourmindsaredevelopedbylearning.2.OnlyEdwardcanliftthatheavystonebecauseheisamanwithgreat_______（strong）.3.OfficialsfromChinaandFranceformallypromisedonThursdaytobuildanewtypeofeconomicpartnership，while_______（strong）businesscooperation.4.OnlyafterLiQifocusedonhis_______（strong）insteadofhisweaknessesdidhefreehimselffromhisinferioritycomplex（自卑感）.5.The_______（strength）windhasabadeffectonournewly-plantedtrees.II.选词填空：energy，force，power，strength。6.Intheendhehadtobethrownoutofthehouseby_______.7.Shewasfullof_______afterhervacation.8.Hepushedagainsttherockwithallhis_______.9.Weoftensaythatknowledgeis_______，soweshouldarmourselveswithit.练一练2单句语法填空。1.Ifyougetupearlyandruneveryday，youwillbenefitalot_______it.2.Thebookwasboring.Itwasntoflittlebenefit_______me.3.Cyclingishighly_______（benefit）tohealthandtheenvironment.4.Alargeamountofmoneyhasbeenraised_______thebenefitofthesickchildreninthemountainousvillages.练一练3单句语法填空。1.“Dontworry，”shesaid，_______herhandonmyshoulder.Andanothergirl_______asheetoverthebody.2.He_______tohismotherthathe_______thebookonthedesk.3.Weallknowhisfailure_______inhislaziness.练一练4单句语法填空。1.Ivealwayssmoked，butImtryingtocut_______.2.—Tony，whyareyoureyesred？—Ihavebeencutting_______peppers（辣椒）forthelastfiveminutes.3.Ifyoudontpayyourphonebillontime，yourphonelinewillbecut_______.4.Thefirstparagraphofyourcompositionisalittlesimilartothispart，whichIthinkshouldbecut_______.答案词汇练习1：1