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1、Unit3Wordsandexpressions第二部分1.earningobjectives:Aftertheclass,youwillbeableto1. masterthekeywordsandexpressions.2. learntousethemcorrectly.3. learntousethemforwriting.1. Wordsandexpressions1. currentlyadv.现在,当前adj.1),peoplelivelongerandtheyarebettereducated.(currentcurrently)Guessthemeanings.1) Unde
2、rnormalconditions,theoceancurrentsofthetropicalPacifictravelfromeasttowest.2) Ifeltacurrentofcoolairblowinginmyface.3) Apowerfulelectriccurrentispassedthroughapieceiron.4) Eachpartyrepresentsadistinctcurrentofthought.5) Thecurrentsituationisverydifferentfromthatin1990.2. regularlyadv.经常，定期adj.经常锻炼1)
3、 Healthyeatingalongwithexerciseisprobablytheonlywaytobecomefit.(regularregularly)2) Recentstudiesshowthatwearefarmoreproductiveatworkifwetakeshortbreaks.(regular/regularly)3. responsibleadj.负责任的n.对某事负责=takehaveresponsibilityforsth责任感做某事是某人的责任1) Ifsyour(responsible)toinformusofanyrevisionsofthedesign
4、.2) Thecitycouncil(对负责)keepingthesecretsclean.3)保护环境是我们的责任。4. memoryn.记忆,回忆v.记住n.纪念碑为了纪念1) WhenIwasatschool,Wewererequiredto(memory)apoemeveryweek.2) Thelibrarywasbuilt件己念)thescientistwhohadmadesignificantcontributionstosociety.5. aimn.v.目的,目标是adj.无目标的adv.漫无目的地努力争取某物aimtodo=aimatdoing目标是做某事以为目的1) Ea
5、rthDay,markedon22April,isanannualevent(aim)toraisepublicawarenessaboutenvironmentalprotection.2) ShewenttoLondontheaimoffindingajob.3)为了弘扬传统文化，我们学校将要举办剪纸展览。3)这次活动的目的是提高学生们的听说能力。6. observev.n.n.注意到某人做了某事注意到某人正在做某事遵守法律庆祝春节Guessthemeaning.1) Thepoliceobservedthemanenterthebank.2) Thepoliceofficerobserv
6、edhimdrivingat100milesperhour.3) InChina,wecanobservetheSpringFestivalinmanyways.4) Asteenagers,weshouldobservetheschoolrules.5) Oneofthebestthingsaboutthisjobisthatyoucanobserveanimalsintheirnaturalenvironment.1)在国外旅行的时候,我们要遵守当地习俗。2）在中国我们有很多种方式庆祝春节。7. rangen.一系列V在某范围变化系列=rangebetweenAandB在A到B之间变化1)
7、 Thenationalparkhasalargecollectionofwildlife,(range)frombutterfliestoelephants.2) Asaresult,humansdeveloped(一系歹IJ)charactertypesthatstillexiststoday.8. apologisev.道歉n.向某人道歉=offeranapologytosbforsth=saysorrytosbforsth1) ThemanagerapologisedJudyfornotarrangingforsomeonetomeetherattheairport.2) Ifaili
8、ngtokeepthat叩POimment.我因不能守约向你道歉。3)考虑到不能参加你的婚礼，我写信向你道歉。9. stressn.压力v.强调adj.紧张的，焦虑的(人)adj.充满压力的(事)在压力下=Underpressure缓解压力强调1) Whenweget(stress),wetendtobreathemorequickly.2) Shehasbeenalotofstresssinceherson,sinjury.3) Duringhisspeech,he(强调)thefreedomofthepress.10. impactn.v.作用,影响对有影响=impacton=havean
9、effecton=haveaninfluenceon1） Astudyshowsdrinkingcoffeebeforeexercisehasanegativeimpacttheheart.2） Smoking（有坏的影响）health.3）众所周知，人工智能影响着我们生活的方方面面。11. strengthn.力量，力气;优势v.加强，巩固有力气做某事buildupone,sstrength用尽全力strengthsandweaknesses优点和缺点1） Tomakemembersofateamperformbetter,thetrainerfirstofallhastoknowtheir
10、（strength）andweaknesses.2）进行体育锻炼不仅能增强体魄还能丰富生活。3）小男孩用尽力气搬动那块大石头，但是还是失败了。11. Practice用单词的适当形式填空。1. Sheexercises（经常）tobuildupherbody.2. Hesufferedlossof（记忆）forweeksaftertheaccident.3. Youmust（道歉）toyourteacherforyourbeinglateagain.4. NotonlytheChinesepeoplebutalsopeopleallovertheworld（庆祝）theSpringFestiv
11、al.5. Theamusementparkcanprovidea（系歹IJ）ofactivitiesforchildren.运用相关短语填空。6. Thespecialcourse（目的是）developingchildrensappreciationofmusic.7. 1.aterthatmorning,Dariosuggestedthattheywritealettertotheirneighboursand（为开玩笑而道歉）.8. Afundwaslaunchedtosetupamonument（来纪念死者）.9.1sincerelyinviteyou（和我的家人一起过中秋节）.10.Thereareexercisesyoucandotoidentify（你的长处和短处）atwork.
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