高一英语必修3-unit2-知识点

高一英语必修3unit2知识点一、教学内容必修3Unit2Healthyeating（一）重点单词（二）重点短语（三）重点句型二、知识精讲（一）重点单词1.diet1)n.日常饮食、食物Properdietandexercisearebothimportantforhealth.适当的饮食和锻炼对健康都很重要。Thedoctoradvisedhimtogoonadiettoloseweight.医生建议他节食减肥。Nosugarinmycoffeeplease.Iamonadiet.请不要给我的咖啡放糖，我在节食。2）vi.节食；实施节食疗法Doyouthinkitnecessaryformetodiet?你认为我有必要节食吗？She’salwaysdietingbutsheneverseemstoloseanyweight.她总是在节食，但体重好像并未减少。2.balance1)vt.平衡；权衡Trytobalanceyourdietbyeatingmorefruitandlessprotein.多吃些水果,少摄入些蛋白质,使饮食均衡合理。Youhavetobalancetheadvantagesoflivinginthecountryagainstthedisadvantages.你得权衡一下住在乡下的好处和坏处。2)n.天平，平衡；余额，余数Trytoachieveabetterbalancebetweenworkandplay.争取把工作和娱乐更好地结合起来。Imustcheckmybankbalance.我要核对一下我在银行的余额。Athletesneedagoodsenseofbalance.运动员要有良好的平衡感。Istruggledtokeepmybalanceonmynewskates.我穿着新溜冰鞋，努力保持平衡。Shecycledroundthecorner,lostherbalanceandfelloff.她骑车拐弯时失去平衡，摔了下来。知识拓展：balancedadj.平衡的；平稳的；和谐的Abalanceddietprovidesnutritionforyourbody.均衡的饮食使你的身体获得营养。3.curiosityn.好奇心Childrenhaveanaturalcuriosityabouttheworldaroundthem.小孩子对他们周围的世界有着天生的好奇心。Iopenedthepacketjusttosatisfymycuriosity.我打开包裹只是为了满足我的好奇心。Theletterwasn’taddressedtomebutIopeneditoutofcuriosity.那封信不是写给我的，然而我却出于好奇把它拆开了。Margaretlookedathimwithcuriosity.玛格丽特好奇地望着他。知识拓展：curiousadj.好奇的curiouslyadv.好奇地Theywereverycuriousaboutthepeoplewholivedupstairs.他们对于住在楼上的人感到很好奇。Iwascurioustofindoutwhatshehadsaid.我真的想弄清楚她说了些什么。Itwascuriousthathedidn’ttellanyone.他没有告诉任何人这很奇怪。4.lievi.&n.说谎；谎话，谎言(lied,lied,lying)It’snowonderthatsheliedtothecourt.难怪她对法庭撒了谎。Iwonderwhyhetoldalietome.我疑惑他为什么对我撒谎。知识拓展：1)lievi.躺、卧、处于(某一位置)，处于某种状态(lay，lain，lying)Wewerelyingonthegrasswhenitbegantorain.雨下起来时我们正躺在草坪上。Hervillagelayacrosstheriver.她住的村子坐落在河对岸。Thenewspaperlayopenonthetable.报纸摊开摆在桌子上。Thesemachineshavelainidlesincethefactoryclosed.工厂关闭以来，这些机器就一直闲置。2）layvt.放；搁；下(蛋)；产(卵)(laid，laid，laying)Wouldyoupleaselaythetablefordinner?请你摆好餐具准备吃饭好吗?5.strengthn.强项；优势；力量；力气strengthenv.加强；增强Hepushedagainsttherockwithallhisstrength.他用尽全力推那块岩石。Itmaytakeafewweekstobuildupyourstrengthagain.可能需要几个星期你才能恢复体力。Theabilitytokeepcalmisoneofhermanystrengths.能够保持冷静是她的长处之一。6.consultvt.&vi.咨询；请教；查阅，参照consultantn.顾问，咨询师；consultationn.Sheconsultedalawyeraboutherdivorce.她向律师咨询有关她离婚的事。Thedoctorconsulted(with)thechild’sparentsbeforetheoperation.手术前医生曾和孩子的家长商议。You’dbetterconsultthedictionaryforthemeaningoftheword.有关这个单词的意思你最好查阅一下字典。7.limit1)vt.限制；限定Wemusttryandlimitourcost.我们必须设法限制我们的开支。I’velimitedmyselfto1,000caloriesadaytotryandloseweight.我为了减肥，限定自己每天摄入1000卡的热量。2）n.界限；限度Thespeedlimitonthisroadis70mh.这条路的车速限制是每小时70英里。Thereisalimittotheamountofpainwecanbear.我们能忍受的疼痛是有限度的。TheEUhasset/putstrictlimitsonlevelsofpollution.欧盟对污染程度作了严格的限制。Iamwillingtohelpyouwithinlimits.我愿意有限度地帮助你。Ifonlythebankwouldlendmoneywithoutlimit.要是银行能无限制地贷款就好了。知识拓展：limitedadj.有限（制）的limitlessadj.无限制的Thepossibilitieswerealmostlimitless.可能性几乎是无穷无尽的。Ihaveonlyalimitedknowledgeofthesubject.我对这门学科的认识有限。8.benefit1）v.使……受益，得益，有益于……Therainwillbenefitthecropsgreatly.这场雨对庄稼很有好处。Ihavebenefitedalotfrom/byextensivereading.广泛的阅读使我受益匪浅。Wewillbenefitby/fromaholiday.度假对我们有好处。2)n.利益，好处ItissaidYogaisofgreatbenefittohumanhealth.据说瑜伽对人体健康有很大好处。Hewastravelingforthebenefitofhishealth.为了身体健康，他出去旅游了。知识拓展：beneficialadj.有益的，有好处的Agooddietisbeneficialtohealth.良好的饮食有利于健康。9.combinevt.&vi.(使)联合；（使）结合Theworkerscombinedagainsttheboss.工人们联合起来反对工头。Theycombinedtheireffortstofinishthework.他们合力完成了工作。Somefilmscombineeducationwith/andrecreation.有些电影把教育与娱乐结合了起来。知识拓展：combinationn.combinedadj.TheUnitedStatesisacombinationof50states.美利坚合众国由50个洲联合组成。Thefirmisworkingonanewproductincombinationwithseveraloverseaspartners.这家公司和几家海外合伙人在联合开发新产品。Ittookthecombinedeffortsofboththepressandthepublictobringaboutthechangeinthelaw.这项法律的变更来自媒体和公众的通力合作。即学即用：①Youcouldhaveseenfromhisfacethathehad________toyou.A.liedB.layC.laidD.lain②Mymotherboughtanewskirtformeata________yesterday.A.discountB.bargainC.payD.cost③Thechildshowscuriosity________everythingaroundhim.A.ofB.onC.aboutD.at④She_________downherbookand________inbed.A.lay;laidB.laid;layC.lay;layD.laid;laid⑤Heisalwaystalkingaboutabstractprinciplesandcan’t_____theory____practice.A.combine;toB.combine;withC.join;withD.join;to⑥Inordertobetterourfuture,eachofusmustfirstofallknowour______andweaknesses.A.strengthsB.benefitC.techniquesD.values⑦Itisknowntousallthatdoingeyeexercises______oureyes,andthatistosay,oureyescan________doingeyeexercises.A.benefits;tobenefitB.benefits;benefitfromC.benefitsfrom;benefitD.benefits;bebenefitedfrom⑧Isuggestyou_____alawyer.A.consultB.combineC.concludeD.concern⑨Thepolicemanaskedthedriverto______speedtobelow40milesanhour.A.makeB.giveC.limitD.explain（二）重点短语1.Bynowhisrestaurantoughttobefullofpeople.到了这个时候，他的餐馆本该宾客盈门的。△oughttoaux.应当；应该(没有人称和数的变化，后接动词原形)Hethoughtthattheyoughttotakepartinthedesign.他认为他们应当参加设计。Heoughtnottodoit./Heoughtn’ttodoit.他不应该做这件事。Oughtwetodoitatonce?我们应该马上做这件事吗？△befullof充满Thehousewasfullofheavysmokeandshouting.房子里充满浓烟和喊叫声。2.Tiredofallthatfat?Wanttoloseweight?△betiredof=besickof对……厌倦Wearetiredofhearingtheoldstory.这老话我们听厌了。I’mtiredofthesamebreakfasteveryday.我厌倦了每天吃同样的早餐