考向07分?jǐn)?shù)（2022·遼寧營口·中考真題）TomwasangrybecauseJerryate________ofhisnineapplessecretly.Nowhehadonlythreeleft.A．a(chǎn)quarter B．onethird C．a(chǎn)half D．twothirds【答案】D【解析】句意：湯姆很生氣，因?yàn)榻芾锿低档爻粤怂艂€(gè)蘋果中的三分之二。現(xiàn)在他只剩下三個(gè)了。考查數(shù)詞運(yùn)算。aquarter四分之一；onethird三分之一；ahalf二分之一；twothirds三分之二。根據(jù)“hisnineapples”及“onlythreeleft”可知，總共9個(gè)蘋果，還剩3個(gè)，也就是吃了6個(gè)，占總數(shù)的三分之二，故選D。分?jǐn)?shù)的用法概覽分?jǐn)?shù)的表達(dá)法分?jǐn)?shù)是由基數(shù)詞作分子，序數(shù)詞作分母構(gòu)成的。除了分子是＂1＂的情況外，序數(shù)詞都要用復(fù)數(shù)。?1/3onethird7/9sevenninths【注意】一些特殊的分?jǐn)?shù)表達(dá)法：?ahalf二分之一aquarter=onefourth四分之一threequarters=threefourth四分之三【助記口訣】英語分?jǐn)?shù)巧記英語分?jǐn)?shù)不費(fèi)事，＂母序子基＂四個(gè)字。分子若是大于一，分母還須加s。基礎(chǔ)練1．________ofthestudentstookpartinthesportsmeeting.A．Threefive B．Threefifth C．Thirdfifths D．Threefifths2．Thereare________teachersinourschool,and________ofthemarewomenteachers.A．twohundreds;threequarter B．twohundreds;threequartersC．twohundred;threequarters D．twohundred;threequarter3．Inourclass________ofthestudentsareboys.A．thirdfive B．threefifths C．threefifth4．________ofthepeopleinthatcitysaytheyhaveseenUFOs.A．Threefifth B．Threefifths C．Thirdfive D．Thirdsfive5．Itsaysthat________ofthewateraroundtheworld________polluted.A．twothird;has B．twothirds;have C．twothird;are D．twothirds;is6．ThepopulationofChinaisabout1.4billion.That’salmostone________oftheworld’spopulation.A．five B．thefive C．fifth D．thefifth7．About________oftheearth________coveredwithwater,butwehavelessandlessfreshwateravailable.A．Threefourth;is B．threefourths;is C．threefourth;are D．threefourths;are8．—Howmanystudentslikeplayingputergamesinyourschool?—________ofthestudents.A．Twothird B．Twothirds C．Twothree D．Secondthree9．—Whatdoyouthinkoftheparkhere?—Wonderful!________ofit________coveredwithtreesandgrass.A．Twofifths;is B．Twofifth;is C．Twofifths;are D．Twofifth;are10．Inourclass________ofthestudents________boys.A．threefifths;are B．threefifth;are C．threefifths;is D．threefifth;is11．—Whatdoyouthinkoftheenvironmenthere?—Wonderful!________oftheland________coveredwithtreesandgrass.A．Twofifths;is B．Twofifth;isC．Twofifths;are D．Twofifth;are12．Therearetwo________doctorsinthishospital;________ofthemarewomendoctors.A．hundred;twofifth B．hundred;twofifthsC．hundreds;twofifth D．hundreds;twofifths13．—Dear,howisyourhomeworkgoing?—Oh,mom,I’vejustfinished________ofit.A．secondthree B．twothird C．twothirds14．________ofthestudentswillperformTheEmperor’sNewClothesintheartfestival.A．Twothree B．Twothird C．Twothirds D．Twotrees15．About________ofthestudentsareleftbehindchildreninourschool.A．twofifths B．twofive C．twofifth D．secondfifths提升練一、單項(xiàng)選擇1．—Dad,about________ofourclassmates________glasses.—Oh,that’sterrible,youallshouldtakegoodcareofyoureyes.A．threefourth;wear B．threequarters;wear C．thirdfourth;wears2．—Howdothestudentsusuallygotoschool?—About________ofthestudentsinourschool________toschoolbybus.A．twofifth;go B．twofifths;go C．twofifth;goes D．twofifths;goes3．Nowadays,about________ofadultslikeHUAWEIphonesbetter.A．twothirds B．twothird C．secondthirds D．secondthrees4．Nowadays,________peoplelikeHUAWEIphonesbetter,andabout________ofthemareadults.A．a(chǎn)numberof,fourfifths B．a(chǎn)numberof,fourfifthC．thenumberof,fourfifths D．thenumberof,fourfive5．________theteachersinourschoolismorethanonehundred,and________ofthemarewomenteachers.A．Anumberof;threefourth B．Anumberof;threefourthsC．Thenumberof;threequarter D．Thenumberof;threequarters6．—Whatdoyouthinkoftheenvironmenthere,Mr.Wang?—Wonderful!________ofthelandiscoveredwithtreesandgrass.A．Twofives B．Twofifth C．Twicefifths D．Twofifths7．—________peoplepreferHUAWEIphones,andabout________ofthemareadults.—Yes.HUAWEIisverypopularnowadays.A．Thenumberof;fourfifths B．Anumberof;fourfifthC．Anumberof;fourfifths D．Thenumberof;fourfive8．—Howmanystudentsinyourclassgettoschoolonfoot?—About________ofthemdo.A．threefifths B．twothird C．firstfour9．Weallknowthatabout________ofthebooksinourschoollibraryarewritteninChinese.A．fourfifth B．fourfifths C．fourthfifth D．fourthsfifth10．________oftheworkers________meninthefactory.A．Twothirds;is B．Twothirds;are C．onethird;is D．onethirds;are11．—Dear,howisyourhomeworkgoing?—Oh,mom,I’vejustfinished________ofit.A．secondthree B．twothirds C．secondthrees D．twothird12．Ihear_________ofthestudentsinmyclass________usedtohavinglessonsonline.A．twothird;is B．twothird;are C．twothirds;is D．twothirds;are二、用所給單詞的正確形式填空1．Two________(five)ofthestudentsinourclassaregirls.2．Thechildrenarehappybecauseseven________(nine)oftheexercisesareeasytoworkout.3．One________ofpeopleontheEarthspeakChinese.(five)4．Itisreportedthatfour________(nine)oftheteenagersinChinaareoverweightbecauseoflessexercise.5．Asweallknow,three________oftheearth’ssurfaceiscoveredbywater.(four)6．Abouteight________(8/9)ofthestudentscanstudyatschoolatpresent.7．Two________(three)ofthestudentshaveseenthefilmHI,MOM.8．Accordingtothesurvey,two________(five)ofyoungpeopleusuallydon’thavebreakfastsincetheyareinahurrytogettowork.9．Nearlythree________(four)oftheearth’ssurfaceiscoveredwithwater.10．Overthree________(quarter)oftheearthiscoveredbywater.Thereisn’tenoughlandforsuchalargepopulation.真題練1．（2022·湖南郴州·統(tǒng)考中考真題）About________ofmyclassmateshelptheirparentsdohouseworkonweekends.A．twofifths B．secondfive C．secondfifths2．（2022·遼寧營口·統(tǒng)考中考真題）TomwasangrybecauseJerryate________ofhisnineapplessecretly.Nowhehadonlythreeleft.A．a(chǎn)quarter B．onethird C．a(chǎn)h