2019中考英语二轮复习 语法精讲精练 数词

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1、2019中考英语语法精讲精练数词一、提分关键1.掌握基数词变序数词的规律基变序，有规律，末尾加上-th。一、二、三特殊记，面目全非要注意。八加h,九去e,ve要用f替。逢十改y为ie,后跟-th莫忘记。若想表示几十几，只变个位就可以。2.牢记百、千、百万的用法表示具体数目时，hundred,thousand,million用单数形式；但是表示“数百”、“数千”、“数百万”等不确切数目时，hundred,thousand,million要用复数形式，且后接of短语。3.熟知分数的表达1）分子用基数词，分母用序数词，当分子大于1时，分母加s,2）几个常用表达法:ahalf1/2;aquarte

2、r1/4;threequarters3/44.理清数词特殊用法1).序数词前一般加定冠词the,当序数词前加a/an时，表示“再一；又一”2).数词与数量单位、形容词构成复合形容词作定语时，定语成分中名词用单数形式。atwo—weekholiday.一个两周的假期。afive—year—oldboy一个五岁的男孩.二、典型例题考点方向1.基数词与序数词1.Unit_________iseasybut_________unitisdifficult.A.Sixth;sevenB.Six;sevenC.Sixth;theseventhD.Six;theseventh2.---Whatshoul

3、dwedonow,Mr.Clark?---PleaseturntoPage_________andlookatthe__________picture.A.Twelve;fifthB.Twelfth;fifthC.Twelve;fiveD.Twelfth;five3.Itistheboy’s____________birthdaytoday.Heisfiveyearsoldnow.A.fifteenB.fifthC.five4.–Whatdayisittoday?--It’sMonday,andit’smy_________birthday.A.fifteenB.fifteenthC.th

4、efifteenD.thefifteenth5.Theyarethestudentsof___________.A.grade7B.Grade7C.7thgradeD.Grade7th6.---Excuseme,sir.Here’sapackageforLinTao.Whichroomdoeshelivein?--____________.A.308roomB.Room308C.TheRoom308D.The308Room7.Tofinishthetask,we’vetriedthreetimes,andafterdinnerwe’lltry______time.A.thefourthB.

5、afourthC.fourthD.four考点方向2.约数与确数8．ThegovernmentofLinyiisbuilding__________cheapandgoodhousesforthepeople.A.thousandB.thousandsC.thousandofD.thousandsof9.Thenumberofthecarsinourneighborhoodisabouteight________,and________ofthemarenewcars.A.hundred;twothirdsB.hundred;twothirdC.hundreds;twothirdsD.hu

6、ndreds;twothird考点方向3.分数的表达10.It’ssaidthat__________ofthewateraroundtheworld__________polluted.A.twothird;hasB.twothirds;haveC.twothird;areD.twothirds;is11.____________ofourclassmatesaregoodatbasketball.A.ThreequartersB.ThreefourthC.Thirdfour考点方向4.数词作定语12.Kateis____________girl.She’sveryhappyatscho

7、ol.A.aeighteen-year-oldB.aneighteen—year—oldC.aneighteen—years—oldD.aeighteen—years—old13.Inthisexam,you’reaskedtowriteapositionofabout___________.A.90-wordsB.90-wordC.90wordsD.90word’s巩固练习1.Myluckynumberisten,so