人教版英语---中考一轮复习语法必考点精讲精练---数词（含习题、答案）

这是一份人教版英语---中考一轮复习语法必考点精讲精练---数词（含习题、答案），共6页。试卷主要包含了基数词， 表示计量， 表示分数，百分数、小数、倍数，表示年龄，表示年月日、世纪、年代，表示编号等内容，欢迎下载使用。
中考一轮复习语法考点---数词 精讲 一.基数词与序数词的构成1.基数词0~12形各异，13~19个位加上teen,注意 thirteen,fifteen 还有 eighteen整十加上ty，但要警惕twenty、thirty、forty、fifty 和eighty表示几十几，十位后面添个位百为 hundred,千为thousand,百万为million,十亿则为billion表示几百几十几，百位数＋hundred+and+十位数-个位数 序数词基变序，1, 2, 3特殊记，8去t,9减e,ve要用f替，再把th添上去ty整十，先把y变成ie,然后加上th若是遇到非整数，前用基数后用序 拓展：1）常考的基数词转化成副词的形式：one→once一次；     two→twice两次；两倍如：Please think twice before you hand in your paper. 交卷前请三思。 2）序数词的缩写形式：阿拉伯数字＋最后两个字母，如：first→1st 二．基数词与序数词的用法1.表示时刻1）几点整：小时＋（o'clock)2）差几分到几点：分钟数＞30时，用“60-分钟”＋to+“小时＋1”3）几点过几分：分钟数≤30时，用“分钟＋past+小时”4）半小时：half    5）一刻钟（15分钟）：quarter 拓展：1）o'clock、a.m. 和p.m. 都可用来表示整点的时刻，o'clock前用数字和单词均可，不可用于表示“时：分”；a.m.和p.m.前是整点数字时，一般不加“：00”，也不与morming 和 aftemoon  等连用 2）时间的读法常常按照基数词的顺序分别读出时与分，如：6:15读作 six fifteen             6:05读作 six o five 2. 表示计量    1）长、宽、高、面积：基数词＋单位词＋形容词（long/wide/high等） 基数词＋单位词＋in+名词（length/width/height/weight等） 2）温度：非零下温度：基数词＋degree(s)（＋单位词） 零下温度：①基数词＋degree(s)+below zero(+单位词）；②minus +基数词＋degree(s)(+单位词） 拓展：用来表示事物数量的词称为单位词，常用的有metre(米）、foot(英尺）、inch(英寸）、centigrade(摄氏）、Fahrenheit(华氏）等。 3. 表示分数，百分数、小数、倍数1）分数：分子用基数词，分母用序数词；分子＞1,分母变复数形式；分子与分母间常加连字符，但也可不加 带分数用“整数＋and+分数”表示 2）百分数：基数词＋percent(%) 3）小数：基数词＋point(.)+基数词 4）倍数：倍数为1,用once;倍数为2,用twice/double;倍数≥3,用基数词＋times 拓展：分数的表达：分子基数词，分母序数词；分子大于1,分母加s;带分数莫着急，前加整数and连；分母若是2和4,half、quarter 可代替 4.表示年龄1）表示“具体年龄”：基数词（＋year<s>+old)at the age of+基数词基数词-year-old+可数名词单数 2）表示“大概年龄”：in+one's+整十基数词的复数形式 3）表示“第几岁生日”：the/物主代词＋序数词＋birthday 拓展：“基数词＋year<s>+old”、“基数词-year-old”与“基数词-year-olds”的辨析： 1）“基数词＋year<s> +old”做表语如：Lydia is 14 years old.莉迪亚14岁了。 2）“基数词-year-old”为复合形容词，只能做前置定语，修饰名词。如：The winner of the singing competition was a 19-year-old girl called Zhang Mei from China.歌唱比赛的冠军是来自中国的19岁女孩张梅。 3）“基数词-year-olds”为复合名词。如：seven-to-nine-year-olds7到9岁的孩子 5.表示年月日、世纪、年代1）年月日：“年”用基数词，“日”用序数词（美：月／日／年；       英：日／月／年） 2）世纪：the+序数词＋century 3）年代：the+整十年份＋s/'s 6.表示编号1）可数名词单数（首字母大写）＋基数词（若为英语单词，首字母须大写）：如：第80页：Page Eighty         308号房间：Room 308  2）No. +基数词：如： 20路公交车：Bus No.20 3）基数词：生活服务常用电话号码：110匪警台；114查号台；119火警台；120医疗急救台；122道路事故报警电话 4）基数词＋专有名词：如：中山路105号：105 Zhongshan Road 5）the+序数词＋可数名词单数／专有名词：第一课：the first lesson第二次世界大战：the Second World War 三．数目的表达方式1.表示确切的数：基数词＋（hundred/thousand/. . . )+可数名词 2.表示概数：hundreds/thousands/. . . +of+可数名词复数 拓展：当有具体的数字出现时，即表示确切的数时，hundred、thousand等数词不加s,且不与of连用；当没有具体的数字时，即表示概数时，hundred、thousand等数词须加s,且要与of连用   精练 一．用括号内所给词的适当形式填空1. He lives on the_______（八）floor,two floors above me.2. Yang Jiang published a book of her three-member-family's life We Three in her_______ (ninety) .3. Children usually attend a primary school at the age of_______(six) in China.4. During the_________（twenty) century, English became a world language.5. The young couple like kids very much and plan to have a _______（two) baby. 二．单项选择1. -Would you like another cup of coffee, Linda?－－Thank you anyway. I've already had one cup,and I'm drinking_______cup. one    B.the first    C.the second    D.the third  He has failed_______times, but he won't give up a_______chance.A.third;four     B.three;fourth    C.third;fourth3. I live in Room 403, Sam lives in the room right above mine,on the＿______floor.A.third     B.three     C.fifth     D.five4. There are＿______ students in my art club, twenty-two girls and eighteen boys.A.fourteen   B.fortieth         C.forty5. There are_______days in March and the_____day is Women's Day.A.thirty-one;eighth     B.thirty-first;eighth     C.thirty-one;eight6. -Who won the first prize of the _______World Table Tennis Championship?－You mean the match held in______? Ma Long did.fifty-four, German     B.fifty-fourth; Germany   C.fifty-fourth; German    D.fifty-four, Germany7. -How often do you exercise?－＿_____a week.Two        B. Twice       C. Second8. --Let's go to the bookstore at half past nine tomorrow morning.－It's too late. Let's make it_______.A.a quarter to nine           B.twenty to ten        C.a quarter to ten9. --How long is the bridge?--It’s_______.300-metre-long         B. 300-metres long    C. 300 metres long    D. 300 metre long10. If a=3 and b=4,what's the answer to the problem:a+b+1=? The answer is______.A.twelve     B.nine      C.eight    D.seven11. Last year, three hundred English teachers took part in the _______English Training.A.two-month        B.two-months       C. two months         D.two month12. About_______of the land______covered with trees and grass.A. three fifths;is        B.three fifths;are       C.three fifth;are13. -Jack, _____of the oranges ________gone bad.－We'd better eat up the rest as soon as possible. one fifth;have   B.one fifth;has   C.one fifths;have      D.first five;hasIt's never too old to learn. Karl Marx began to learn English in his_______.A. the fiftieth      B.fiftieth      C.fifty     D.fifties15. Xi Jinping,our______president, paid a visit to Harbin. How encouraging!A. 63 years old     B. 63 years'old     C. 63-year-old16. No way! I don't think_____should be allowed to drive. I am worried about your safety.A.fifteen years old         B.fifteen-year-olds        C.fifteen-years-old17. They are the students of _______.A.grade 7       B. Grade 7      C. 7th grade     D. Grade 7th18. -Jack,I want to go to ______to see a dentist. Could you tell me the address?－No problem.A. Room 606         B. No. 2 Hospital        C. Fifth Avenue19. About______ of the workers in the factory were born in the_____.A.two-thirds; 1970      B.two-thirds; 1970sC.two-third; 1970       D.two-third; 1970s20. Unluckily ________people were killed in the earthquake.A. two thousands        B.thousand of        C.two thousands of      D.thousands of  参考答案：一．1.eighth  2.nineties   3.six  4.twentieth  5.second二．1-5CBCCA  6-10BBACC  11-15AAADC  16-20BBBBD