英语词汇提高Cha

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1、Chapter9外国语学院杨莉萍2012年春alterv.tomakesomethingorsomeonedifferenteg.Thisdoesn’talterthefactthatwhatyoudidwaswrong.alterationn.eg.1)Theeditormadeafewminoralterationtothetext.2)Haveyounoticedanyalterationinherbehavior?alternativen.somethingthatyoucanchooseinsteadofsomethingelse供替代的选择；供选择的东西eg.Thetre

2、atmentisofferedasanalternativetosurgery.adj.(beforen.only)供替代的，可选择的eg.1)Wearenowlookingforanalternativeclassroom.2)Alternativemethodsofgettingtherewillbeinvestigated.syn：optionaladj.可以选择的，随意的Eg.Universitieshaverespondedtodemandsforstudentstohaveabetterknowledgeofindustrybyofferingoptional busin

3、ess coursesinartsdegree.学生必须更好地熟悉工业，针对这一要求，大学已作出反应,在文科学位里，开设商业选修课。alternatev.ifonethingalternatewithanother,ithappensafteritandkeepsbeingrepeatedeg.1)Wetdaysalternatedwithdryones.2)Hismoodalternatesbetweenjoyanddespair.3)Laytheshapesonthefabric,alternatingthecolours.交替,更迭；交替变化,(两者间)切换;使轮流altern

4、atingcurrent交流电ampleadj.(usu.beforean.)1.enoughormorethanenoughinquantityorsize,orspace,etc.eg.Theyhaveamplemoneyforthejourney.Thereisroomforanamplegarden.2.abundant,plentifuleg.Heisamanofamplestrength.Hereceivedanamplesalaryfromthecompany.amplifyv.放大，扩大(声音)；详述，进一步阐明amplifiern.扩音器，扬声器形近词：sample

5、??1.abundant:ismostlyrestrictedtoobservationsaboutaparticularplaceratherthanaparticulartime,usu.suggestingavaluedordesirablequantity.eg.Thereareabundantsuppliesoffirewoodintheforest.Thisisalandabundantinminerals.2.plentiful:relatestoadesirablequantityorevenasuperfluityofsth.eg.Thereisaplentiful

6、supplyoffishinthemarket.Onthisislandtheediblefruitissoplentifulthatitrotsonthevine.3.adequate:maysuggestthatnotonlyquantitybutalsoqualityisuptowhatisrequired,andcanbeusedbetweenanarticleandanabstractnoun.eg.HisknowledgeofFrenchisadequateforthejob.Wehaveanadequatesupplyoffoodforthehike.4.enough:

7、canneverbeappliedtoquality,isalwaysusedbeforepluralnouns,ofnounsdenotingsth.thatismeasurable,neverafteranarticle.eg.Theexpressionanadequateroomisokbutanenoughroomisunacceptable.5.sufficient:suggeststhesameasenough,moreformal,andis