大学英语四级语法专项训练及答案详解

大学英语四级语法专项训练及答案详解一、单项填空（每题2分，共20题）这些题目主要考察基础语法和句型结构，结合实际语境进行考查。1.Thecompanyislookingforsomeonewithexperience______marketing.A)ofB)inC)onD)for（考察介词用法）2.Despiteallthedifficulties,they______managedtocompletetheprojectontime.A)yetB)stillC)alreadyD)even（考察副词辨析）3.IfI______you,Iwouldapologizetoherimmediately.A)amB)wereC)beD)is（考察虚拟语气）4.Notonly______butalsothestudentsareinterestedinthetopic.A)heB)hisC)himD)himself（考察倒装句式）5.Themanageraskedustofinishthereport______possible.A)asB)assoonC)asearlyD)asmuch（考察比较级用法）6.Itisimportanttokeepabalance______workandlife.A)amongB)betweenC)amongD)among（考察介词辨析）7.Thebook______Iborrowedfromthelibraryisveryinteresting.A)whichB)thatC)whomD)whose（考察定语从句）8.Ifyou______harder,youwouldhavepassedtheexam.A)workB)workedC)haveworkedD)hadworked（考察虚拟语气）9.Thenewpolicywillaffectnotonlytheemployees______thecompany’sfinancialperformance.A)butalsoB)andalsoC)orD)nor（考察并列连词）10.Sheistheonlyone______cansolvethisproblem.A)whoB)whomC)thatD)which（考察定语从句）二、改错题（每题2分，共10题）以下句子中各有一处错误，请指出并改正。11.Thestudentshavebeenstudyforthreehourswithoutabreak.（考察时态和动名词）12.IfIwasyou,Iwouldaccepttheofferimmediately.（考察虚拟语气）13.Neithertheteachernorthestudentsaresatisfiedwiththeresults.（考察主谓一致）14.Sheissuchabusythatshehasnotimeforhobbies.（考察形容词和关系代词）15.Althoughheisrich,butheisnothappy.（考察连词用法）16.Thecompanydecidedtolayoffsomeworkersbecauseoftheeconomicdownturn.（考察被动语态）17.AllofthemhavefinishedtheirworkexceptforJohn.（考察代词和介词）18.Hedidn’tgotothemeetingbecausehewasill,sohemissedtheimportantdiscussion.（考察连词和逻辑关系）19.Themanageraskedustosendthereportassoonaspossible.（考察副词和介词）20.Ifyouhadstudiedharder,youwouldpasstheexamlastyear.（考察虚拟语气）三、完形填空（每题1.5分，共15题）阅读下面的短文，选择最佳答案填空。Lastyear,mycompanydecidedtoexpanditsbusinessintoanewmarket.Thedecisionwasnoteasy,asitinvolvedalotofrisks.However,ourteambelievedthatifwe______(21)______hard,wewouldsucceed.Atfirst,thingsweredifficult.We______(22)______tounderstandthelocalcustomers’needs,andoursaleswerelow.Butwedidn’tgiveup.Instead,we______(23)______morestafftoimproveourservices.Slowly,thingsstartedtoimprove.Oursalesbegantorise,andcustomers______(24)______usmore.Wealso______(25)______apartnershipwithalocalbusiness,whichhelpedusgainmoretrustinthemarket.Now,ourcompanyisdoingwellinthenewmarket.Wehavelearnedalotfromthisexperience,andweknowthatsuccesscomesfromhardworkandpersistence.Ifyou______(26)______inanewventure,rememberthatdifficultiesarenormal.Whatmattersishowyouhandlethem.21.A)workB)workedC)hadworkedD)wouldwork22.A)failedB)failedtoC)hadfailedD)havefailed23.A)hiredB)hiringC)hireD)tohire24.A)respectedB)respectedC)respectedD)respected25.A)madeB)makeC)makingD)tomake26.A)succeedB)succeedC)succeedD)succeed四、句子改写（每题2分，共5题）根据要求改写句子，保持原意不变。27.Sheissotallthatshecanreachthetopshelf.改为含“too...to...”结构28.Thebookwaswrittenbyhimlastyear.改为被动语态29.Despitetheheavyrain,theywenthiking.改为含“though”的复合句30.IfIhadknownaboutthemeeting,Iwouldhaveattendedit.改为含“wish”的结构31.Thecompanycannotaffordtodelaytheprojectfurther.改为含“too...to...”结构答案及解析一、单项填空1.B)in解析：介词“in”表示“在某个领域”，符合语境。2.B)still解析：“still”表示“仍然”，强调动作持续。3.B)were解析：虚拟语气中，与现在事实相反，用“were”。4.A)he解析：“Notonly”放句首，主谓倒装，用“he”。5.C)asearly解析：“asearlyaspossible”表示“尽可能早”，固定搭配。6.B)between解析：“balancebetween”表示“工作与生活的平衡”。7.B)that解析：定语从句中，先行词指物，用“that”或“which”。8.B)worked解析：虚拟语气中，与过去事实相反，用“wouldhave+过去分词”。9.A)butalso解析：“notonly...butalso...”连接两个并列成分，主谓不倒装。10.A)who解析：定语从句中，指人用“who”或“whom”。二、改错题11.havebeenstudy→havebeenstudying解析：现在完成进行时需要用“现在分词”。12.was→were解析：虚拟语气中，与现在事实相反，用“were”。13.are→is解析：“Neither...nor...”连接两个名词，谓语动词看靠近的主语。14.busy→busywith解析：形容词“busy”需要介词“with”修饰名词。15.but→although解析：“Although”引导让步状语从句，不可与“but”连用。16.（正确）17.them→they解析：代词“they”作主语，而不是所有格“them”。18.because→so解析：前后分句逻辑关系为因果关系，用“so”。19.as→by解析：“send”后需用“by”表示方式。20.wouldpass→wouldhavepassed解析：虚拟语气中，与过去事实相反，用“wouldhave+过去分词”。三、完形填空21.A)work22.B)failedto23.A)hired24.A)respected25.A)made26.A)succeed四、句子改写27.Sheistootalltoreachthetop