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疯狂专练三词性转化及词性变化单句填空语法填空当空格处所需词类与括号中所给词的词类不同时，就需要词类转化。我们可据以下3条规则顺利解题：(1)作主语或宾语用名词形式；(2)作定语、表语或补足语用形容词形式；(3)修饰动词、形容词或另一副词，作状语，用副词形式。具体解题技巧如下：第一步：分析结构，确定要填的词在句中充当哪种句子成分。在名词前作定语、在系动词后作表语、作主语和宾语的补足语，一般要用形容词；修饰动词、形容词或副词，或修饰整个句子，作状语，用副词；作主语或宾语用名词，或者在冠词、形容词性物主代词或名词所有格后，用名词。第二步：根据构词法将括号中的词变成所需要的词类。注意：1.有时不但要注意词性转换，而且还要考虑用表示相反意义的前缀或后缀，其逻辑意义才通顺；2.当所给词的词性与空格处所需词的词性相同时，无需改变词性，就可能是加只改变词义但不改变词性的前缀了。形容词→副词wide→widely形容词→形容词比较级/最高级wide→wider/widest形容词→名词wide→width形容词→动词wide→widen动词→名词instruct→instruction(s)特殊变性happy→happily,simple→simply，true→truly,arrange→arrangement，judge→judgment1.【2019·全国II卷】Heryearsofhardworkhave_____(final)beenacknowledgedafteracustomernominated(提名)hertobeCheshire'sWomanOfTheYear.技巧点拨常考考点小题狂练2【2019·全国卷I】Itisdifficulttofigureoutaglobalpopulationofpolarbearsasmuchoftherangehasbeen_____(poor)studied.3.【2019·全国卷I改编】Itleadstoa______(believe)thatpopulationsareincreasing4.【2019·浙江卷】OtherAmericanstudiesshowedno_____(connect)betweenuniformsandschoolperformance.5.【2019·浙江卷】Schooluniformsare_____(tradition)inBritain,butsomeschoolsarestartingtogetridofthem.6.【2018·全国卷II】AccordingtotheWorldBank,Chinaaccountsforabout30percentoftotal_____(globe)fertilizerconsumption.7.【2018·全国卷III】I'ma_____(science)whostudiesanimalssuchasapesandmonkeys.8.【2018·全国卷I】Runningischeap,easyandit’salways(energy).9.【2017·全国卷II】Thisdevelopmentwasonlypossiblewiththe_____(introduce)ofelectric-poweredenginesandlifts.10.【2019·浙江卷改编】Whenthechildrenarewalkingtoschoolondarkmornings,cardriverscan______(easy)seethem.11.Shetookthejobfor______（variety）reasons.12.It(eventual)becameChina’sprimaryfaith,morewidespreadthantheoriginalChinesereligionsofConfucianismandTaoism.13.Whentheywerefreefromwork，theyinvitedustolocaleventsandletusknowofaninteresting________(compete)towatch，togetherwiththestorybehindit.14.Theobviousoneismoney;eatingoutonceortwiceaweekmaybe(afford)butdoingthismostdaysaddsup.15.Heexplainedthathetriedto________(simple)theshowandensuredthepigletisunforgettable.16.The_______(produce)madehisfortunethankstotheyoungpeppapig.17.Nowthatyouareabletotakeuparmsandprotectyourmotherland，weareall________（pride）ofyou.18.Isuggestweshouldfindnewwaystoprotectthe______（endanger）animals.19.Inthecourseof______（evolve），somebirdshavelostthepowerofflight.20.Inordertoprotecttheenvironmentpeopleshouldn’tdestroy______（nature）balance.passage1直击考题体裁主题字数建议用时议论文空气污染的影响215字9分钟Thesilentkiller—airpollutioncausessevenmillionpremature(过早的)___1___(death)ayear,notjustin___2___(develop)countriesbutalsoinUKandtheUSAaswell.InChina，peoplearewellawareofthehealthproblemsitbrings.Icheckeveryparteveryday.Ifithasheavyairpollution,Iwillpreparemasksformyfamily.Idislike___3___whentheairisbad.BecausebadairmakesitdifficultformetobreatheandIthinkitdoesinfluencemy___4___(perform)atwork.AnewresearchinChinahasalsofoundalinkbetweenairqualityandlevelsofintelligence.Inthestudy,25,000peoplelivingacrossChina__5___(test)inlanguageandmathskillslastyear.Theyfoundtheresultsofthose___6___livedinmorepollutedareaswere___7___(negative)impacted,especiallyinlanguages.Itaddstoagrowingbodyofevidencethatairpollutionhasaneffectnotjustonthelungsandheart___8___onthebrain.Thisresearchshowsthatthelongerweareexposedtoairpollution,the___9___(many)problemswe’restoringupforlaterlife.CampaignershopethisstudywillpersuadetheBritishgovernment___10___(think)hardbeforeitpublishesitscleanairstrategynextyear.passage2体裁主题字数建议用时议论文手机与沟通200字9分钟【晋冀鲁豫中原名校2019届高三第三次联考】Standinlineatanygrocerystoreorsitinanyhospitalwaitingroom,andyouseepeoplestaringattheirphones,probablycatchinguponnewsorjustrelievingtheirboredom.Thisseemsharmlessenough.Butcouldbeingonourphonesaffectour___1___(able)toconnectwiththepeoplearoundus?__2___newstudyaimedtoanswerthatquestion.ResearcherKostadinKushlevandhiscolleaguesaskedpairsofcollegestudents，___3___werestrangerstoeachother___4___(come)intoasmalllabwaitingroom-eitherwithorwithouttheirphones.Theyweretoldthattheresearcherswererunningabitlateandtheyneededtowait.Whilewaiting,theirfaceswere___5___(secret)videotaped.Afterwards,thestudents___6___(report)howtheyfeltandhowmuchtheyinteracted(互动)withtheotherparticipants.Theresearchersstudiedvideotapesofthefacesofairswhointeracted，___7___(measure)howoftentheysmiled.The___8___(result)?Peoplewithphonesexhibitedfewersmilesoverall.Theyspent30%lessofthetimesmiling___9___peoplewithoutphones,signalinglessinterestinconnectingwithothers.What'smore,thirty-twoparticipantswithphonesdidn'tinteractatallinthewaitingroom.Thesefindingsshowthatusingphonesinpublic_____10_____(affect)one'sinteractionwithothers.Consequently，cellphonesshouldbeusedwisely.passage3体裁主题字数建议用时说明文金庸的介绍173字8分钟【江西省名校（临川一中、南昌二中）2019届高三5月联合考试】LouisCha,betterknownbyhispennameJinYong,wasaChinesewuxianovelistandessayist,___1___co-foundedtheHongKongdailynewspaperMingBaoin1959and___2___(serve)asthefirsteditor-in-chief.HewasHongKong’smostfamouswriter.Hiswuxianovelshave___3___widespreadfollowinginChinesecommunitiesworldwide.His15works___4___(write)between1955and1972earnedhimareputationasoneofthegreatestandmostpopularwuxiawriters