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KeytoExercises(NHCE2)Unit1SectionAWordsinuse31condense2exceed3deficit4exposure5asset6adequate7competent8adjusting9precisely10beneficialWordbuilding4managerialeditorialsubstancesurvivaltraditionmarginconsistencyaccuracyefficientrecoveryministryassemblyWordbuilding51editorial2recovery3accuracy4substance5managerial6margin7assembly8Ministry9survival10tradition11consistency12efficientBankedcloze1obliged2tedious3beneficial4abundant5adjusted6bulk7evidently8functions9efficiently10distressExpressionsinuse1feelobligedto2beseriousabout3runinto4distinguishbetween5thrustupon6wasallergicto7getlost8beattractedto9makesense10lookeduponas1D2A3C4A5C6B7C8DTranslation人们普遍认为英语是一种世界语言，经常被许多不以英语为第一语言的国家使用。与其他语言一样，英语也发生了很大的变化。英语的历史可以分为三个主要阶段：古英语，中古英语和现代英语。英语起源于公元5世纪，当时三个日耳曼部落入侵英国，他们对英语语言的形成起了很大的作用。在中世纪和现代社会初期，英语的影响遍及不列颠群岛。从17世纪初，它的影响力开始在世界各地显现。欧洲几百年的探险和殖民过程导致了英语的重大变化。今天，由于美国电影、电视、音乐、贸易和技术、包括互联网的大受欢迎，美国英语的影响力尤其显著。Chinesecalligraphyisauniqueartandtheuniquearttreasureintheworld.TheformationanddevelopmentoftheChinesecalligraphyiscloselyrelatedtotheemergenceandevolutionofChinesecharacters.Inthislongevolutionaryprocess,Chinesecharactershavenotonlyplayedanimportantroleinexchangingideasandtransmittingculturebutalsodevelopedintoauniqueartform.Calligraphicworkswellreflectcalligraphers'personalfeelings,knowledge,self-cultivation,personality,andsoforth,thusthereisanexpressionthatseeingthecalligrapher'shandwritingislikeseeingtheperson.AsoneofthetreasuresofChineseculture,Chinesecalligraphyshinessplendidlyintheworld'streasurehouseofcultureandart.Unit1SectionBWordsinuse1mysterious2desperate3devise4negotiate5recalled6specifically7depict8ignorance9expand10confusionExpressionsinuse1applyto2inabidto3endup4Speakingof5getholdof6appealedto7Leaving…behind8focusonSentencestructure1Eventhoughitisimportantforthestudentstohaveadeepunderstandingofthetexts,itdoesn'tmakeanysensetoreadtextswordforwordfromthebeginningtotheend.2Asitisamatteroflittleimportancetous,itdoesn'tmakemuchsensetoargueoutwhichiswrongorrightorwhichisbetterorworse.3Itmakesnosensetocompelchildrentoobeytheirparents;instead,weshouldtrytotellthemwhatisrightandwhatiswrong.1Imightaswellhavestayedathome2wemightaswellhavetakenthetrainhome3sohemightaswellhavetoldmeallaboutitCollocationi-g-e-f-h-d-a-b-c1essentialframework2propervocabulary3excellentcontrol4languagedeficit5highstandards6languageproficiency7acquireknowledge8competentcommunication9overcomedeficiencies10sketchthoughts11effectivecommunication12advancedvocabularyUnit2SectionAWordsinuse31promotes2accelerate3mystery4insight5boost6analysis7calculate8barriers9destruction10prospectWordbuilding4promisingbearinghousingobjectiveoffendexcludeexcessexecuteintensive/intensifyidentityWordbuilding51excess2bearing3objective4intensify5execute6promising7exclude8identity9offend10housingBankedcloze1insight2education3boost4mystery5prospect6promote7invest8appreciation9affected10speculateExpressionsinuse1areliableto2infavorof3isboundto4speculateabout5invested…with6standupfor7intheformof8preparedfor9inthecompanyof10insuccession1C2D3C4A5D6B7B8ATranslation慕课是一种网络课程，它旨在通过网络实现广泛参与和开放接入。慕课是远程教育迈出的最新一步，现已在高等教育领域迅速引领潮流。通过这些课程，大学可以扩大影响的范围，从影响成千上万住在城里付学费的学生，扩展到惠及全球上百万的学生。除了拥有传统的课程资料，慕课还给使用者提供互动论坛，支持学生和讲师之间的交流。慕课能够促进参与者之间的交流，使得多种观点、知识和技能涌现到课堂上来；它鼓励人们尝试之前不可能尝试的课程，甚至是尝试新的教育方式；它提供多种学习课程资料的方式，鼓励多模式学习，以各种学习风格满足学习者的需求；另外，慕课促进教学的改善，使技术在面对面授课中得以更好地应用。Inrecentyears,withthedevelopmentofInternettechnology,theconstructionofdigitaleducationresourcesofourcountryhasmadegreatachievements.Manyuniversitieshavesetuptheirowndigitallearningplatforms,anddigitalteachingisplayinganincreasinglyimportantroleineducation.Comparedwiththetraditionalwayofteaching,thedigitalwayhasalotofadvantages.Ononehand,digitalteachingmakesglobalsharingofteachingresourcespossible;ontheotherhand,itexpandsthelearner'sstudytimeandspacetolearn,allowingpeopletogetaccesstothedigitalvirtualschoolsthroughtheInternetanytimeandanywhere.Theseadvantagesmakeitpossibleforpeopletoshiftfromone-timelearningtolifelonglearning.Unit2SectionBWordsinuse1enroll2revise3accumulate4accorded5evaluate6prime7confirm8shrinking9sufficient10recruitExpressionsinuse1botherto2isavailableto3beencompelledto4described…as5exposed…to6ratherthan7havesomethingtodowith8foritsownsakeSentencestructure1Ateacher,nomatterhowknowledgeableheis,cannotteachhisstudentseverythingtheywanttoknow.2Nomatterwhereyoutravel,youcanalwaysfindsomeonetocommunicatewithinEnglishsinceEnglishisanimportantlanguage.3Nomatterwhatworkapersonisdoing,ifhegivesithisbesteachday,hecreateslotsofhappinessforhimself.1thereislittledoubtthattheprogramwillhelpthestudentswhoreallyneedfinancialaid2Thereisnodoubtthatcomputercrimeisaveryseriousproblem3thereisnodoubtthatoverworkandtoomuchworrycausedhisillnessCollocationh-d-g-a-b-e-f-c1promising2worsens3shrinking4dominant5land6great7well-rounded8creative9elegant10constructive11skills12makeUnit3SectionAWordsinuse31peculiar2radical3phase4sensible5predict6labeled7resent8witnessed9equivalent10parallelsWordbuilding4chaoticdramaticacademydepressiondetectionerosion