数词
知识点 考查题型 具体考查内容
基数词 短文填空 (2023)72.hundreds of
序数词 / /
分数、小数和百分比 / /
基础练习
基数词
1.基数词的构成
基数词 构成 例子
1~12 无规律 one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve
13~19 以-teen结尾 thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen
20~99 整十数字,以-ty结尾 twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety
非整十数字,十位和个位之间加“-” twenty-one, thirty-two, forty-three
101~999 百位后用and,十位和个位之间加“-” one hundred and six, three hundred and forty-two
续表
基数词 构成 例子
大于1 000的 从右往左数,每三位数加个逗号,第一个逗号加thousand,第二个逗号加million,第三个逗号加billion 3,006→three thousand and six 1,002,000→one million and two thousand 5,000,010,000→five billion and ten thousand
注意:(1)特别关注thirteen, fifteen, twenty, thirty, forty和fifty的拼写。
(2)百位数和十位数之间通常加连词and;十位数与个位数之间要加连字符。
2.基数词表示确数和概数
用法 例子
hundred, thousand, million, billion 前面有确定的数字或有a few, some, many等修饰词时,不加-s four hundred books;a few thousand miles
后接of时,都要加-s,且前面不能有确切的数字 millions of students
3.基数词表示时刻
用法 例子
表示整点时,数词后可接o'clock;半点之前的时间常用past,表示“几点过几分”;半点之后的时间常用to,表示“差几分到几点”;半小时用half;一刻钟用a quarter或fifteen eight o'clock (8:00); ten past eight (8:10); half past ten (10:30); a quarter to ten (9:45)
时刻的读法 顺读法:先小时后分钟,如:7:24读成seven twenty-four 逆读法:先分钟后小时;分钟少于30用 past,分钟多于30用to,且分钟要用60减,小时要加1,如:8:40读成twenty to nine
4.基数词表示年、月、日
用法 例子
年和年代多用阿拉伯数字表示,需注意读法;表示“几十年代”时,用整十的基数词的复数形式 1976读作:nineteen seventy-six in the sixties 在60年代
年或月前用介词in,年、月同时出现时,年前的in省略;具体某一天前用介词on in August;in August, 2022; on August 10, 2022
5.基数词的其他用法
用法 例子
in+one's+整十基数词的复数,表示“在某人几十多岁时” in his fifties
页码、段落、编号的表达:名词(首字母大写)+基数词(首字母大写)=the+序数词(首字母小写)+名词(首字母小写) Unit Five=the fifth unit
表示距离、长、宽、高等:基数词+单位(meter等)+形容词(long等) ten meters wide
表示“几倍和几次”,除了一倍、一次(once),两倍、两次(twice)外,其他一般由“基数词+times”构成 This box is twice bigger than that one. The boy has been there for five times.
提升练习
( C )1.(2023郴州)Dongjiang Lake is a good place to have fun and tourists go camping there in summer.
A.hundred B.hundreds C.hundreds of
2.(2023雅安)In our school, we usually do eye exercises twice(两次) a day.
序数词
1.序数词的构成
序数词 构成 例子
1~3 无规律 first, second, third
4~19 (5、8、9、12除外) 基数词后加-th fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, twelfth, thirteenth, fourteenth, fifteenth, sixteenth, seventeenth, eighteenth, nineteenth
整十序数词 将y改为ie + -th twentieth, thirtieth, fortieth, fiftieth, sixtieth, seventieth, eightieth, ninetieth
整百序数词 基数词后加-th hundredth
多位数序数词 个位变成序数词 twenty-first, three hundred and third
注意: 特别关注fifth, eighth, ninth, twelfth的拼写。
2.序数词的基本用法
用法 例子
序数词前不用the的情况 当序数词前有形容词性物主代词或名词所有格修饰时 Mother was my first teacher in my life.
表达分数时 One fifth of the students are from the country.
在日、月表达中 He was born on June 6th, 1974.
表达考试、赛跑等获得的名次时 She won first prize this time.
用于固定搭配时 First of all, we should keep us safe.
表达“又一;再一”时,序数词前一般加不定冠词 Please give me a second chance.
序数词在句中作状语时,序数词前不用冠词 I finished the work first.
表达世纪、年代时,序数词前要加the in the twenty-first century, in the 1890s
( A )3.(2023齐齐哈尔)—This will be my visit to the Sun Island.I'm really excited.
—Really I can't believe it.You've been in Harbin for a year.
A.first B.second C.third
4.(2023天水) Our home is the third(three) from the end on the left.
分数、小数和百分比
数词 用法 例子
分数 分子用基数词,分母用序数词,分子大于1时,分母要用复数形式 one fourth,two thirds
小数 小数点读作“point”,小数点后需一一读出每个数字 15.07 读作:fifteen point zero seven
百分比 先读基数词,再读百分号 5%读作:five percent
( B )5.(2023牡丹江) Red Star over China (《红星照耀中国》) is so popular that of the students in our class have finished reading it.
A.two third B.two thirds C.second three
强化训练
数词在短文填空中的运用
★分析句子结构,理清数词的考点
(2023广东)About 800 years ago ...Imagine that you travel back to 72 of years ago and brush your teeth comfortably.
【思路点拨】根据上文“About 800 years ago ...”及句意可知,此处指想象自己穿越回几百年前。此处表概数,且由空后的“of years”可知, hundred要加s。故填hundreds。
课后练习
一、单项填空
( B )1.(2023黑龙江)Nowadays, people like HUAWEI phones better, and about of them are adults.
A.the number of; four fifths
B.a number of; four fifths
C.a number of; four fifth
( B ) 2.(2023怀化)People plant trees on Tree-Planting Day every year.
A.hundred B.hundreds of C.hundreds
( B )3.(2023宿迁三模改编)My grandparents live in an old building with floors and their flat is on the floor.
A.sixth; three B.six; third C.sixth; third
( A )4.(2023哈尔滨三模)—How long do you have a walk every week
— .
A.Four hours and a half
B.Four and half hours
C.Four and a half hour
( C )5.About of the workers in the factory were born in the .
A.two fifths; 1970 B.two fifth; 1970 C.two fifths; 1970s
二、用括号内所给单词的正确形式填空
1.The old man lives on the twelfth(twelve) floor.
2.My birthday is on September ninth(nine), the day before Teachers' Day.
3.Five thousand(thousand) volunteers took part in this event.
4.Jane has been to Beijing twice(two) before and this is her third(three) time to go there.
5.We will celebrate my grandmother's eighty-ninth(eighty-nine) birthday this Sunday.
三、小语篇特训(五育之德育)
用所给单词的正确形式填空。
I was very lucky to meet Angelina, our head teacher.Before that, I always did nothing but watch movies and hang out with 1.two(two) of my best friends.We were in the same grade.That was only two 2.fifths(five) of my previous(之前的) school life.Angelina was not only a teacher but an inventor.She created 3.hundreds(hundred) of recyclable plastics when she was young.And she worked harder than others and became the 4.first(one) winner of Environment Stars in Argentina.
“I first tried inventing a new kind of plastic when I was at the age of 18,” she said.“When I failed three times, I still hoped for a 5.fourth(four) chance.” When she was in her 6.twenties(twenty), she won several prizes.
After hearing that, I've changed a lot and I am working hard now.
四、短文填空(核心素养:文化意识)
请从方框内选择适当的词并用其正确形式填空,使文章完整连贯。注意每空一词, 每词仅用一次,有两词为多余项。
strong I hour go widely how and artist one but year teach
(2023江门一模改编)In Chinese history, writing tools play an important role.Among them, the writing brush is the 1.first one that should be paid attention to.
The beginning of the writing brush in China can 2.go back to the Neolithic Age(新石器时代), while its popularity was during the Warring States Period(战国时期).This tool is 3.widely used in Chinese writing and painting.
Nowadays, calligraphy(书法)classes are 4.taught to students at school.Teachers teach students 5.how to use the writing brush to enjoy and spread traditional Chinese culture.The soft brush can create 6.strong and powerful lines on paper.But that only comes through 7.years of hard work.If you want to be an excellent writing artist 8.and be highly praised by others, you need to keep practicing for a long time every day.
For many Chinese 9.artists, the brush is more than a writing tool.“It seems in my blood.When I pick up the writing brush, suddenly 10.my thoughts, ideas and even stories build a relationship with the brush,” said Liu Qinghe, a famous Chinese artist.With a good writing brush, when we put our ideas into it, we give it life.