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UnitThree,之,15选10,解题步骤：通读全文，抓住中心（首段，首句原则）阅读选项，词性分类（注意分析动词时态）全盘考虑，灵活选择（根据所需词性缩小范围，每词只能用一次）复读全文，核查答案（快速复读，用语感判断是否通顺准确）固定搭配,15选10答题技巧,确定空白处词性,以下情况，空白处为动词：1n./pron.Vt.n./pron.前有名后有名，中间谓动2n./pron.Vi.前名后无名，谓动不及物3n./pron.Vi.adv./prep.前名后介副，谓动不及物4n./pron.linkv./beadj.前名后形容，be动或系动5tov.前有to，后原型注意：确定空白处为动词，还需根据上下文确定正确形式,以下情况，空白处为分词：,过去分词：has/have/hadp.p（完成时态）bep.p（被动语态）p.pn.或n.p.p（过去分词做形容词，表示被动或已发生）现在分词：be-ing（进行时态）-ingn.或n.-ing（现在分词做形容词，表示主动或正在进行）prep.ing（介词宾语）,以下情况，空白处为名词：,（名词通常做主语或动词介词宾语）a/then.前有冠词n.V.空白后为谓语动词prep.n.空白前为介词，则空白处为名词或动名词（注意：根据空白处前的冠词和上下文判断所填名词的单复数；根据空白处后的谓语动词的形式判断所填名词的单复数）,以下情况，空白处为形容词：,adj.n.n.adj.空白前后是名词adv.adj.空白前是副词linkv.beadj.be动或系动后考虑形容词做表语,以下情况，空白处为副词：,adv.v.或v.adv.副词修饰动词，表示程度状态adv.adj.副词可修饰形容词adv.从句，有些副词做句子的状语，表示转折因果等逻辑关系,原文,Itissometimesdifficulttoexplainwhatpriceis,thoughitisoneofthefrequentlyusedtermsinpeoplesdailylife.Whatspricethen?Actually,it47howresourcesaretobeused.Theyarealsothemeansbywhichproductsandservicesthatareinlimitedsupplyareallocated（分派）amongbuyers.ThepricesystemoftheUnitedStatesisacomplexnetwork48ofthepricesofallproductsboughtandsoldintheeconomyaswellasthoseofavarietyofservices,includinglabor（劳工）,49,transportation,andpublic-utilityservices（公共服务设施）.Thepriceofanyparticularproductorserviceislinkedtoabroad（宽的）,50systemofpricesinwhicheverythingseemsto51moreorlessuponeverythingelse.,Inasimpledefinition,priceisthemoneyvalueofaproductorserviceasagreeduponinamarket52.However,foracompleteunderstanding,muchmorethantheamountofmoney53mustbeknown.Boththebuyerandthesellershouldbe54withnotonlythemoneyamount,butwiththequalityoftheproducttobe55,andthetimeandplaceatwhichtheexchangewilltakeplace,andsoon.Inotherwords,theyhavetobe56awareofallthefactorsthatcomprise（包含）thetotal“package”beingexchangedfortheaskedforamountofmoneysothattheymayevaluate（估计）agivenprice.,选项们,先将选项按词性划分：,名词：C.professionn.职业，专业；声明，宣布，表白F.transactionn.交易；事务；办理；会报，学报L.professionalsn.专业人员（professional）副词：A.fullyadv.充分地；完全地；彻底地H.partiallyadv.部分地；偏袒地,动词：B.dependvi.依赖，依靠；取决于；D.determinesvt.决定；判决；使下定决心vi.确定；决定；判决，终止J.composedv.组成；（composedof)K.exchangedv.交换（exchange的过去式）介词：M.includingprep.包含，包括,形容词：E.involvedadj.涉及到的；有关的；卷入的；复杂的G.familiaradj.熟悉的；常见的；亲近的I.clearadj.清楚的；清澈的；晴朗的；无罪的N.similaradj.相似的O.complicatedadj.难懂的，复杂的,Itissometimesdifficulttoexplainwhatpriceis,thoughitisoneofthefrequentlyusedtermsinpeoplesdailylife.Whatspricethen?Actually,it47Dhowresourcesaretobeused.Theyarealsothemeansbywhichproductsandservicesthatareinlimitedsupplyareallocatedamongbuyers.ThepricesystemoftheUnitedStatesisacomplexnetwork48Jofthepricesofallproductsboughtandsoldintheeconomyaswellasthoseofavarietyofservices,includinglabor,49L,transportation,andpublic-utilityservices.Thepriceofanyparticularproductorserviceislinkedtoabroad,50Osystemofpricesinwhicheverythingseemsto51Bmoreorlessuponeverythingelse.,Inasimpledefinition,priceisthemoneyvalueofaproductorserviceasagreeduponinamarket52F.However,foracompleteunderstanding,muchmorethantheamountofmoney53Emustbeknown.Boththebuyerandthesellershouldbe54Gwithnotonlythemoneyamount,butwiththequalityoftheproducttobe55K,andthetimeandplaceatwhichtheexchangewilltakeplace,andsoon.Inotherwords,theyhavetobe56Aawareofallthefactorsthatcomprisethetotal“package”beingexchangedfortheaskedforamountofmoneysothattheymayevaluateagivenprice.,Thanks,
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