2026年英语四六级考试词汇表试题

2026年英语四六级考试词汇表试题考试时长：120分钟满分：100分班级：__________姓名：__________学号：__________得分：__________一、单选题（总共10题，每题2分，总分20分）1.Theword"ubiquitous"ismostsimilarinmeaningto:A.rareB.commonC.expensiveD.ancient2.Ifsomethingis"ephemeral,"itmeans:A.permanentB.temporaryC.valuableD.invisible3.Theterm"myriad"refersto:A.asingleitemB.afewitemsC.alargenumberofitemsD.anolditem4."Pernicious"describessomethingthatis:A.helpfulB.harmfulC.neutralD.temporary5.Theword"serendipity"means:A.badluckB.plannedsuccessC.unexpectedgoodfortuneD.deliberatefailure6."Ubiquitous"inasentence"Smartphonesarenow______inmodernlife"wouldbestfit:A.rareB.commonC.expensiveD.ancient7.Ifasituationis"precarious,"itis:A.stableB.riskyC.certainD.predictable8.Theword"myopic"referstosomeonewhois:A.far-sightedB.short-sightedC.wiseD.forgetful9."Pernicious"in"Thedrug'ssideeffectswere______anddangerous"wouldbestfit:A.helpfulB.harmlessC.neutralD.harmful10."Serendipity"in"Findingthelostkeysunderthesofawasacaseof______"wouldbestfit:A.badluckB.plannedsuccessC.unexpectedgoodfortuneD.deliberatefailure二、填空题（总共10题，每题2分，总分20分）1.Theoppositeof"ubiquitous"is______.2.An"ephemeral"memoryisonethatlastsfor______.3.A"myriad"ofproblemsmeans______problems.4.Theterm"pernicious"describessomethingthatis______.5."Serendipity"isthequalityof______.6.Ifsomethingis"precarious,"itis______.7.A"myopic"viewmeans______.8."Ubiquitous"devicesarethosethatcanbefound______.9.Theoppositeof"serendipity"is______.10.A"pernicious"influenceisonethatis______.三、判断题（总共10题，每题2分，总分20分）1."Ubiquitous"meanssomethingthatisrareandhardtofind.(×)2."Ephemeral"describessomethingthatlastsforever.(×)3.A"myriad"referstoexactlyoneitem.(×)4."Pernicious"isapositivetermmeaninghelpful.(×)5."Serendipity"referstoplannedandexpectedoutcomes.(×)6.A"precarious"situationisverystableandsecure.(×)7."Myopic"meanssomeonecanseefarintothefuture.(×)8."Ubiquitous"technologyisonlyfoundindevelopedcountries.(×)9.Theoppositeof"serendipity"is"serendipitous."(×)10."Pernicious"effectsarealwaysbeneficial.(×)四、简答题（总共3题，每题4分，总分12分）1.Explainthemeaningof"ephemeral"inasentence.2.Whatdoes"myriad"implyaboutthequantityofsomething?3.Describethedifferencebetween"pernicious"and"harmless."五、应用题（总共2题，每题9分，总分18分）1.Inaparagraph,usethewords"ubiquitous,""serendipity,"and"precarious"todescribeareal-worldsituation,suchastechnologyineducation.2.Createashortstory(100words)thatincludesthewords"ephemeral,""myriad,"and"pernicious,"highlightingtheimpactofsocialmediaonyouth.【标准答案及解析】一、单选题1.B解析："Ubiquitous"意为“无处不在的”，与"common"（常见的）意思最接近。2.B解析："Ephemeral"意为“短暂的”，与"temporary"（临时的）意思一致。3.C解析："Myriad"意为“无数的”，与"alargenumberofitems"（大量物品）相符。4.B解析："Pernicious"意为“有害的”，与"harmful"（有害的）意思一致。5.C解析："Serendipity"意为“意外的好运”，与"unexpectedgoodfortune"（意外的好运）一致。6.B解析：句子中强调智能手机的普遍性，"common"（常见的）最合适。7.B解析："Precaitous"意为“危险的”，与"risky"（危险的）意思一致。8.B解析："Myopic"意为“短视的”，与"short-sighted"（短视的）意思一致。9.D解析：句子强调药物的负面影响，"harmful"（有害的）最合适。10.C解析：找到钥匙是意外的好运，"unexpectedgoodfortune"（意外的好运）最合适。二、填空题1.rare解析："Ubiquitous"的反义词是"rare"（罕见的）。2.ashorttime解析："Ephemeral"强调短暂性，即“很短的时间”。3.many解析："Myriad"表示大量，即“许多”。4.harmful解析："Pernicious"意为“有害的”。5.findinggoodfortunebyaccident解析："Serendipity"指意外发现好运。6.risky解析："Precaitous"意为“危险的”。7.short-sighted解析："Myopic"指短视，即“短视的”。8.everywhere解析："Ubiquitous"意为“无处不在的”。9.misfortune解析："Serendipity"的反义词是"misfortune"（不幸）。10.harmful解析："Pernicious"意为“有害的”。三、判断题1.×解析："Ubiquitous"意为“无处不在的”，与“罕见的”相反。2.×解析："Ephemeral"意为“短暂的”，与“永恒的”相反。3.×解析："Myriad"意为“无数的”，不是“一个”。4.×解析："Pernicious"意为“有害的”，不是“有帮助的”。5.×解析："Serendipity"指意外好运，不是“计划好的”。6.×解析："Precaitous"意为“危险的”，不是“稳定的”。7.×解析："Myopic"意为“短视的”，不是“能预见未来的”。8.×解析："Ubiquitous"技术在全球普遍存在，不限于发达国家。9.×解析："Serendipity"的反义词是"misfortune"（不幸），不是"serendipitous"（意外的）。10.×解析："Pernicious"意为“有害的”，不是“有益的”。四、简答题1."Ephemeral"referstosomethingthatlastsforaveryshorttime,likeasoapbubbleorafleetingmemory.解析：简答题需解释词义，并举例说明。2."Myriad"impliesaverylargenumberofsomething,oftenusedtoemphasizetheabundanceorvariety.解析：解释词义并说明其用法。3."Pernicious"describessomethingthatisharmfulanddamaging,whilesomething"harmless"isharmlessandnotdangerous.解析：对比解释两个词的差异。五、应用题1.Inmoderneducation,technologyisubiquitous,aidingstudentsinlearning.However,itsusecanbeprecarious,asoverreliancemayhindercriticalthinking.Serendipityoftenleadseducatorstodiscoverinnovativeteachingmethodsunexpectedly.解析：段落需包含三个词，并体现逻辑关系。2.Socialmediaisephemeral,withtrendschangingrapidly.Teenagersfaceamyriadofpressures,includingcomparisonandanxiety.Theperniciouseffectsofcons