数词+冠词
（一）数词的特定表示法
小数，百分数，算数的表示方法
1．分数表示法。（子基，母序，带and）
①．分数的构成（分子用基数词，分母用序数词。分子如果大于1，则分母序数词用复
数形式）
1/2读作：_one-second__1/3读作：_one-third____2/5读作：_two-fifths_
3/4读作：_three-fourths__1/25读作：_one--twentieth-fifths_____________
②．带分数的整数和分数之间须用and连接。
三又二分之一：_three_and_one-second__五又四分之一__five_and_one-fourth__
九又十二分之五_nine_and_five-twelfths___
2
小数只能用基数词表示，其中小数点读作point,零读作zero(或o);小数点之后按数字依次读出；整数部分为0时可以省略不读。
0.9：zero point nine 3.58: three point fifty-eight
2.016: two point zero sixteen 8.425: eight point four hundred-twenty-five
3. 百分数表示法（% 读作percent）
18%:_eighteen_percent__0.6%_zero_point_six_percent__0.05%_zero_point_zero_five_percent 4. 算数表达法
1＋2=3 One and two is three. 12＋10 =22 twelve and ten is twenty-two 3－1=2 Three minus one is two. 15－5 =10 fifteen minus five is ten
（二）冠词
冠词三兄弟a, an和the的任务就是给名词“戴帽子”。语法上，冠词是虚词，没有词义，用于名词前，帮助表明词义。冠词三兄弟的分工各有不同，大家一定要记清楚，不要“张冠李戴”。
冠词分为两类：不定冠词a/an 和定冠词the。
不定冠词a/an只能用于单数名词之前，表示“一…”的意思或该名词的不特定性。
定冠词则强调该名词的特定性，表示“这”、“这些”等意思，在可数名词与不可数名词之前都能使用。
不定冠词的用法
A.不定冠词的种类：
不定冠词有两个：a和an。
a用于以辅音音标开头的单词之前。
一本书_a_book_____ 一个女人__a_woman_____
an用于以元音音标开头的单词之前。
一个苹果_an_apple__ 一位老人 _an_old_ 一个小时 an_hour_ 一个鸡蛋 _an_egg__ 当形容词修饰名词时，冠词要放在形容词的前面，这时用a或an取决于这个形容词的
读音。
一位英语老师_a_English_teather_ 一个红苹果 _a_red_apple__
B.不定冠词的用法：
①用于第一次提到的、不确定的人或物（可数名词）之前
There is __a_dog outside the door 外有一条狗。
Do you see __a man_ in red T-shirt? 你有看到一个穿红体恤衫的男子吗？
②用于价格或时间等名词的前面，是“每…”的意思
4 Yuan _a_ kilo 每公斤四元 once _a_ week 一周一次
③表示职业、身份
_a_ lawyer一个律师 _a_ doctor 一个医生 _a_ student一位学生
④用于数字、量词之前
_a_ hundred 一百 a_ lot of 许多 _a_ couple 一对
⑤用于一些固定词组中
have _a_ _rest__休息 make _a_ living谋生 _a_ great deal 很多
定冠词的用法
A.定冠词的一般用法
①用于第二次谈到的人或物
She has a bag. __the__ bag is yellow. 她有一个包，这个包是黄色的。
②用于双方共知的人或物
I don’t like __the_ coat. 我不喜欢这件大衣。
③“the + n单数.”可以表示一类人或物
_the__ __panda___ 大熊猫 _the__ __driver_____ 司机
B.定冠词的特殊用法
定冠词常用于一些特定词的前面。
助记：
沙漠、河流与群山；列岛、海峡与海湾；阶级、党派、国家名；组织、团体和机关；
方位、朝代、独一词；会议、文件及报刊；乐器、建筑、海洋群；定冠词帽戴在前。 _the___ Yellow River 黄河 play _the__ piano 弹钢琴 _the_ Great Wall 长城
_the__ People’s Daily 人民日报 _the__ United Nations 联合国
①用于姓氏复数之前表示全家人/夫妇俩
_the__ __Greens____格林一家 _the_Lis 李先生一家
②“the + adj.”表示一类人或物
the __rich__ 富人 the __poor____ 穷人 the __young_man___ 年轻人
③用于一些固定词组中
in the __evening at the __time在此时go to the __movie__ 去电影院
in the ___front__ of 在前部
不用冠词的情况
不用冠词的情况
下列情况应免冠，代词限定名词前；专有名词不可数，学科球类三餐饭；
复数名词表泛指，两节星期月份前；颜色语种和国名，称呼习语及头衔。
①在一些专有名词（人名、地名、月份、节日等）之前，不用冠词
Miss Laura 劳拉小姐Doctor Smith 史密斯医生Hyde park 海德公园
Australia 澳大利亚 __March_____ 三月 __Children’s______ Day 儿童节
②名词前已有修饰词的时候，不用冠词
this __morning___ 今天早上 my _book___ 我的书 your _child_ 你的孩子
③在表示三餐、球类、棋类和游戏等名词前，一般不用冠词
play _basketball___ 打篮球 play __cards__ 打牌 play _games____ 玩游戏have _supper_ 吃晚饭
④在物质名词和抽象名词前，一般不用冠词
We love _peace_.我们爱和平。 Smoking is bad for _health_. 吸烟有害健康。
巩固练习
1. Han Meimei is ___ Chinese girl. Lucy is ____ English girl.
A. a; a
B. an; an
C. a; an
D. an; a
2. A little boy wrote__"U" and___ "n" on the wall.
A. a; an
B. an; a
C. an; an
D. a; a
3. There are sixty minutes in___hour.
A. an
B. the
C. a
D. /
4. This is ___ interesting book and it is also ____ useful one.
A. an; an
B. an; the
C. ah; a
D. a; a
5. Mrs. Smith is __ friend of __
A. the; mine
B. a; me
C. the; my
D. a; mine
6. I go To__ School on foot because my home is near___ school.
A. a; a
B. the; the
C. /; /
D. /; the
7. Yesterday we held_ talk with them in the hall.
A. the
B. this
C. a
D. an
8. I usually go out for _ walk after____ tea;
A: a; / B. /; the C. a; a D. the; a
9. This is___egg. ____egg is big.
A. a; A
B. an; An
C. a; The
D. an; The
10. People often go to swim in__summer.
A. /
B. a
C. an
D. the
11. There is___ old man under___ tree.
A. an; the
B. the; a
C. a; the
D. an; /
12. -Whose room is that?
-It's___.
A. the twins'
B. of Lucy and Lily
C. of the twins
D. the twins
13. We can see ___ sun and ____ moon in ____ picture.
A.a; the; the
B. the; a; the
C. a; the; a
D. the; the; the
14. ____ Browns are sitting at____ breakfast table.
A. /; a
B. The; /
C. The; the
D. /} the
15. Most of us are from____.
A. the south
B. south
C. the southern
D. southern
16. Tom enjoys playing ____ football while I enjoy playing ____ piano very
much.
A. the; the
B. a; a
C. /; the
D. the; /
17. We should look after___ old.
A. these
B. those
C. the
D. an
18. The ship is sailing on____ Pacific Ocean
A.a
B. the
C. /
D.that
19. ____ Mr Smith is a teacher.
A. The
B. A
C. This
D. /
20. You have misse d ____ “n” in your spelling of ____ word “government”.
A. an; a
B. an; the
C. a; the
D. the; /
21. There are ___ days in a year.
A. three hundreds sixty-five
B. three hundreds and sixty-five
C. three hundred and sixty-five
D. three hundred and sixty five
22. ______people visit this museum every day.
A. Hundred
B. Hundreds
C. Hundred of
D. Hundreds of
23. There are two___ people in the meeting room.
A. hundred
B. hundreds
C. hundreds of
D. hundred of
24. My brother is in____.
A. Three Class, One Grade
B. Class Three, Grade One
C. Grade One, Class Three
D. class three, grade one
25. Please turn to___. Let's read the text aloud.
A. Page Two
B. the page two
C. second page
D. page second
26. "The year 1999" should be read "The year____".
A. nineteen and ninety-nine
B. nineteen ninety-nine
C. one thousand nine hundred and ninety-nine
D. nineteen hundred and ninety-nine
27. Now let me have____.
A. the third try
B. a third try
C. third try
D. this third try
28. ___ of the students are girls in our class.
A. Two three
B. Two threes
C. Two thirds
D. Second three
29. There are____ months in a year. December is the____month of the year.
A. twelve; twelve
B. twelve; twelfth
C. twelfth; twelve
D. twelve; twelfth
30. Tom was ____ to get to school and I was ______.
A. first; ninth C. the first; the ninth
B. a first; a ninth D. the second; the ninth
初中英语冠词专项训练100(附答案)及解析 一、初中英语冠词 1．There is ____old piano in ______corner of the living room. A. an; the B. an; 不填 C. a; the D. a; a 【答案】A 【解析】【分析】句意：在起居室的角落里有一架钢琴。in the corner of在···角落，固定短语，可排除BD。不定冠词表示数量一，old的第一个音素是元音音素，元音音素前使用an，可排除B；故选A。 【点评】本题考查冠词。能在语境中熟练运用冠词。 2．— Do you know how to spell word “expensive” in English? — Yes. It begins with "e". A. the; a B. the; an C. a; an D. the; the 【答案】 B 【解析】【分析】句意：——你知道如何用英语拼写单词“昂贵的”吗？——是的，它是以一个字母e开始。第一句话特指expensive这个单词，应使用定冠词the，第二句指的是一个字母e，应使用不定冠词，e为元音使用an，故答案是B。 【点评】考查冠词用法，注意表示特指使用定冠词the，表示数量已使用不定冠词。 3．Bill bought ________ useful book. ________ book is very interesting. A. a; The B. a; A C. an; The D. an; A 【答案】 A 【解析】【分析】句意：Bill买了一本有用的书。这本书很有趣。表示泛指一本有用的书，且useful以辅音音素开头，用不定冠词a，第二次出现book，表特指，用the，故选A。【点评】考查冠词的用法。注意定冠词和不定冠词的用法。 4．Benjamin has learned that it is not polite to make _____ fun of others. A. a B. an C. the D. / 【答案】 D 【解析】【分析】句意：本杰明已经知道了取笑别人是没有礼貌的。make fun of，取笑……，固定搭配，故答案是D。 【点评】考查零冠词，注意识记固定短语make fun of的用法。 5．We usually go swimming in _____summer. But in ______summer of 2018, we didn't. A. /; / B. a; a C. /; the D. a; / 【答案】 C 【解析】【分析】句意：我们通常在夏天去游泳。但是2018年的夏天，我们没去。第一空泛指夏天，不加冠词；第二空特指2018年的夏天，用the。故选C。 【点评】考查冠词的用法。
一．数词含义：数词分为基数词和序数词。表示数目和数量的词为基数词；表示数目顺序的 词为序数词。 二．基数词 1-100 (略) ten / one hundred / one thousand / ten thousand / one hundred thousand one million / ten million / one hundred million / one billion 123one hundrend and twenty-three 1,234 one thusand, two hundred and thirty-four. 12,345 twelve thousand, three hundred and forty-five ( 千位与百位之间用逗号连接, 百位与十位之间用and连接, 十位与个位之间用连字 符- 连接 ) three hundred ( hundred 没有复数, 不能加s； hundred 前面只能用数字, 不能用 many 和 a few ) hundreds of ( hundred 如果加s, 后面必须接 of ) five thousand ( thousand 没有复数, 不能加s；thousand 前面只能用数字, 不能用 many 和 a few ) thousands of ( thousand 如果加s, 后面必须接 of ) 三．讲解序数词 first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth nineteenth twenty-first twenty-second twentieth thirtieth fortieth fiftieth sixtieth seventieth eightieth ninetieth one hundredth Lesson Three: 第三课 page four six three: 第463页 page five o seven: 第507 页 Room three o five: 第305房间： Seventy-six Chang’an Stree: 长安街76号 in his fifties: 在他50多岁的时候 January twenty-eighth February fourteenth October first
初中英语语法专项冠词 1、He is now living in ______ European country、 A、 a B、 an C、 / D、 any 2、 China is ______ old country with ______ long history、 A、 an, a B、 a, a C、 an, the D、 an, an 3、 My parents usually go out for ______ walk in ______ evening、 A、 the, a B、 a, the C、 /, the D、 a, an 4、 Her ______ second thing is to do her homework、 A、 a B、 an
D、/ 5、The word “flower” begins with ______ “f” and the end with ______ “r”、 A、 a, a B、 an, an C、 an, a D、 an,a 6、June1st is ______ Children’s Day、 A、 a B、 an C、 the D、/ 7、 ______ Huanghe River is _______ second largest river in China、 A、 The, the B、 A, a C、 The, a D、 A, the 8、 Paris is one of ______ most beautiful cities in ______ world、 A、 /, the
初中英语数词讲解及专项练习 一、定义：表示数目或顺序。 二、分类：分为基数词和序数词两种。表示数目或数量多少 的词叫基数词；表示数目顺序的词叫序数词。 三、基数词的构成：1）1-12的基数词是独立的单词，即： one，two，three，four，five，six，seven，eight， nine，ten，eleven，twelve。2）13-19的基数词以-teen结尾。如： fourteen，seventeen等，但13，15，18较特殊， 13fifteen,18twenty,30forty,50eighty。4）位数与个位数之 间要加连字符号"-"，如：28-twenty-eight，96-ninety-six。 5）百位和位（若无位则和个位）之间加and，如：148four hundred and six 6）hundred（百），thousand（千）， million（百万），billion（亿）等前面即使有具体的数词，several, some, many也不能在它们的后面加-s。如：six hundred， eight million。如果表示不确定数目时，用hundreds of /thousands of /millions of /billions of +名词复数,前面不能再加数字。7）1000以上的数字，从后往前数每三位加一个逗号"，"第一个逗号前为千（thousand），第二个逗号前为百万（million），第三个逗号前为billion（亿）。英语中无“万”这个词，我们可以用"几个千（thousand）"表示几万，"几百个千
（thousand）"表示"几万"。如：2，510＝two thousand five hundred and ten84，296＝eighty-four thousand two hundred and ninety-six274，350＝two hundred and seventy-four thousand three hundred and fifty。 四、序数词的构成：1）序数词一般是以与之相应的基数词尾加-th构成，如： fourth, tenth,但以下的这些基数词变为序数词时，有特别之处。Onesecond, threefifth, ninetwelfth2）以_ty 结尾的单词，要先变y为i, 在加-eth、。如：thirtyfiftieth3）以one, two, three 等结尾的多位数词，要将个位数变成序数词。 如： twenty-oneone hundred and first 注意： 序数词前常用定冠词，有时还可以用不定冠词 a/an 则表示"又一 "的意思。（没有具体范围的限制）如： Mr、 Brown has a second car、布朗先生另外还有一辆车。 He has tried a second time、他又尝试了一次。 五、数词的应用1）时刻的表示：小时、点钟、分钟、秒钟要用基数词。 ①“几点钟”用基数词加oclock。oclock 可省略。如：5点钟-five（oclock） ②“几点过几分”，≤30分钟"用介词past。如：7：15half past seven
（英语）中考英语冠词专题训练答案含解析 一、初中英语冠词 1．Don't tell a lie. You are __________ honest boy. A. a B. an C. the D. / 【答案】 B 【解析】【分析】句意：不要说谎，你是一个诚实的男孩。boy，男孩，可数名词单数，前面加冠词a/an，表示数量“一"，honest，诚实的，音标是[??n?st]，以元音音素开头，因此前面用an，故选B。 【点评】此题考查不定冠词用法。 2．We usually go swimming in _____summer. But in ______summer of 2018, we didn't. A. /; / B. a; a C. /; the D. a; / 【答案】 C 【解析】【分析】句意：我们通常在夏天去游泳。但是2018年的夏天，我们没去。第一空泛指夏天，不加冠词；第二空特指2018年的夏天，用the。故选C。 【点评】考查冠词的用法。 3．—He is planning to walk on the wings of the a flying plane. —What? I have never heard of ______idea before. A. a crazier B. the crazier C. a creaziest D. the creaziest 【答案】 A 【解析】【分析】句意：——他打算在正在飞行的飞机机翼上行走。——什么？我以前从没听说过比这更疯狂的主意。现在与以前比较，要用比较级。疯狂的想法很多，此处表示泛指，且crazier是以辅音因素开头，要用不定冠词a，故选A。 【点评】考查形容词比较级和冠词的用法。根据句意和句子结构，选择正确的选项。 4．I usually have ________ egg and some bread for breakfast. A. a B. an C. the D. / 【答案】 B 【解析】【分析】句意：我通常早饭吃一个鸡蛋和喝些粥。egg是单数名词，并且以元音音素开头，所以用不定冠词an，表示数量一，A 不定冠词，修饰辅音音素开头的单词；C 定冠词，表特指；D 零冠词，故选B。 【点评】考查冠词用法，注意平时识记。 5．Paper is useful invention. CaiLun invented it around 2,000 years ago. A. a B. an C. the D. 不填 【答案】 A 【解析】【分析】句意：纸是一种有用的发明，大约2000年前蔡伦发明了它。invention，发明物，可数名词单数，useful以辅音音素开头，所以用a，故选A。
冠词习题精选 1．One afternoon he found _______ handbag．There was _______ “s”on the corner of _______ handbag．（） A．a；an；the B．a；a；the C．an；an；an D．the；a；a 2．This is _______ apple．It's _______ big apple．（） A．an；a B．a；the C．a；an D．an；the 3. I can play __________ piano well, but I can't play __________ chess well. （） A. the; the B. /; / C. the; / D. /; the 4. After watching ____ TV, she played _____ violin for an hour. （） A. 不填，不填 B. the, the C. the, 不填 D. 不填，the 5. There is ＿＿“h” in the word “hour”，but＿＿“h” doesn’t make a sound. （） A . a, a B. a, the C. the, an D. an, the 6. Beyond ______ stars the astronaut saw nothing but ______ space. （） A. the, 不填 B. 不填，the C. 不填，不填 D. the, the 7. She is _____ newcomer to ____ chemistry but she has already
数词的分类 (一)基数词在英语中表示数目的词称为基数词。 1.基数词的构成 (1)1-20 one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen, fourteen,fifteen,sixteen,seventeen,eighteen,nineteen,twenty (2)21-99先说“几十”,再说“几”,中间加连字符 23→t wenty-three,34→thirty-four,45→forty—five,56→fifty-six, 67→sixty-seven,78→seventy-eight,89→eighty-nine,91→ninety-one (3)101—999先说“几百”,再加and,再加末两位数或末位数; 586→five hundred and e ighty-six,803→eight hundred and three (4)l,000以上,先从右往左数,每三位数加一个“,”,第一个“,”前为thousand.第 二个“,”前为million, 第三个“,”前为billion(美式)或thousand ,million(英式),然后一节一节地表示。 1,001→one thousand and one 9,785→nine thousand, seven hundred and eighty-five 18,423→eighteen th ousand,four hundred and twenty-three 6,260,309→six million two hundred and sixty thousand three hundred and nine
初中英语冠词专项练习题。 一： ( ) 1 A little boy wrote____ "U" and___ "n" on the wall. A. a; an B. an; a C. an; an D. a; a ( ) 2 _____ old lady in brown is____ university professor. A. An; a B. An; / C. The; an D. The; a ( ) 3 This is ____ interesting book and it is also ____ useful one. A. an; an B. an; the C. ah; a D. a; a 二： ( ) 1 We have never seen ____ interesting film. ） A. such B. such an C. so D. such a ( ) 2 He is___boy. A. a seven-years-old B. an eight-year-old C. the seven-year-old D. an eight-year-older 三； ( ) 1 ____monkey can climb ____trees. A. /; the B. A; / C. The; a D. /; / ( ) 2 ____ trains are faster than ____ buses. A. /; / B. The; / C. /; the D. The; a ( ) 3 -Have you learned German ￥ -Yes. It's ___ language I've ever learned. A. a quite difficult B: quite a difficult C. difficult quite D. difficult a quite ( ) 4 Some animals, like ____ cat, ____ dog or ____ wolf, do not need to hibernate (冬眠). A. /; /; the B. the; the; the C. a; /; the , D. the; /; / 四 ( ) 1 Looking at, he took ___deep breath. A. / B. a C. that D. its ( ) 2 After that they had ____ sleep. A. a night good B. a night's good C. a good night D. a good night's · 五： ( ) 1 There came ____ great noise. It frightened us. A. the B. a C. / D. that ( ) 2 After ____ quick breakfast I hurried to ____ school. A. /; / B. a; / C. the; the - D. the; / 六： ( ) 1 This is ____ egg. ____egg is big. A. a; A B. an; An C. a; The D. an; The ( ) 2 He ordered ____ book some time ago and now ____ book has arrived. A. a; a B. the; a C. the; the D. a; the ）
一、选择题 1．---How many teachers are there in your school? ---Over four______. And ______ of them are women teachers. A．hundred, two-thirds B．hundred, two-third C．hundreds, two-thirds D．hundreds, two-third 2．About _____________ of the students this year were born in the 1990s. A．three five B．three fifths C．third fifths D．third fifth 3．Two-child policy has been carried out. Most parents are planning to have their child. A．one B．two C．first D．second 4．The old man began to learn to drive a car at the age of _______． A．sixty B．the sixtieth C．sixty years old D．sixties 5．There are _______ months in a year. May is the _______ month of a year. A．twelfth; five B．twelve; fifth C．twelve; fiveth D．twelfth; five 6．Mount Tai is so famous that ___ people visit it every day. A．hundred of B．seven hundreds of C．hundreds of D hundreds 7．– Good news. My good friend has just moved to my flat. He lives on the floor. – We are neighbors. We live on the 19th floor. He lives one floor above us. A．twelve B．twelfth C．twenty D．twentieth 8．–Hi, Kate! There are floors in this building. Which floor do you live on? –I live on the floor. A．twenty ; twelve B．twenty; twelfth C．twentieth; twelfth 9．The shoe factory is only about ______ walk from our school. A．half an hour’s B．half and an hour’s C．half an hours’ 10．_______ of the teachers in our school _________women teachers. A．Two thirds,are B．Third Second,is C．Two thirds,is 11．Next Friday is my daughter’s birthday. So I will buy her a cake with candles. A．five; fifth B．twelfth; twelve C．nineth; nine 12．There are ____ floors in this building, and my flat is on the ____ floor. A．ten; five B．tenth; five C．tenth; fifth D．ten; fifth 13．— How was your weekend? —Great ! It was my grandfather’s ______birthday. He was born _____. A．ninety, in the 1920 B．ninetieth, in the 1920s C．the ninetieth, on the 1920s D．nintieth, on the 1920 14．Two________foreign visitors________to the opening ceremony last Saturday. A．hundred; were invited B．hundred; had been invited C．hundreds of; are invited D．hundreds of; have been invited 15．I didn’t know Miss Yang was years old until she told me about that.
冠词专项练习 一、选择填空： ( ) 1. She is _______ girl. She is _______ English girl. A. a…a B. an….a C. a….an D. a…./ ( ) 2. Tom is _______ English. He is _______ English boy. A. an….an B. /….an C. /…/ D. a…a ( ) 3. _______ live in Room 208. A. The Green B. Green C. The Greens D. Greens ( ) 4. January is _______ first month of the year. A. a B. / C. an D. the ( ) 5. We should think of _______ old and _______ sick. A. a….a B. an…a C. the….the D. /…./ ( ) 6. _______ number of the students in our class is 52. A. A B. An C. The D. / ( ) 7. She can play _______ piano, but she can't play _______ football. A. the…the B. the…/ C. /…the D. a….a ( ) 8. There is _______ "s" in the word "six" and _______ "s" is the first letter of the word. A. a…the B. a….an C. an…the D. a…a ( ) 9. A horse is _______ useful animal. A. an B. a C. the D. this ( ) 10. He has already worked for _______ hour. A. an B. a C. the D. three ( ) 11. Lucy wants to become _______. A. some teacher B. a teacher C. teacher D. teachers ( ) 12. Hainan is _______ islands, isn't it? A. the B. one C. a D. an ( ) 13. What do you usually do after _______? A. the class B. class C. the classes D. a class ( ) 14. I'll have to buy _______ trousers. A. a B. two C. a pair of D. pair ( ) 15. I've thrown my old shoes away. I'll have to buy _______. A. a new pair B. a new one C. some new D. some new pair ( ) 16. My uncle told me he was going to visit _______. A. the United State B. the United States C. United States D. United States ( ) 17. They failed six times, but they have decided to try _______. A. seven times B. the seven time C. the seventh time D. seventh time ( ) 18. Who are those boys? One is my brother and _______.
▲掌握分数、时间、日期的表达法。 【复习要点】 （一）基数词 基数词用来表示数目，或者说表示数量的词叫基数词。最基本的基 1 one 11 eleven 100 a hundred 2 two 12 twelve 20 twenty 1000 a thousand 3 three 13 thirteen 30 thirty 1，000，000 a million 4 four 14 fourteen 40 forty 10，000，000 ten million 5 five 15 fifteen 50 fifty 100，000，000 a hundred million 6 six 16 sixteen 60 sixty 1，000，000，000 a billion 7 seven 17 seventeen 70 seventy 8 eight 18 eighteen 80 eighty 9 nine 19 nineteen 90 ninety 10 ten 说明： 1．13—19是由个位数加后缀-teen构成。注意其中13、15的拼写是thirteen 和fifteen。 2．20—90由个位数加后缀-ty构成，注意其中20—50的拼写分别是twenty, thirty, forty 和fifty;80的拼写是eighty。 3．其它非整十的两位数21—99是由整十位数加连字符“-”，再加个位数构成。如：81 eighty-one。 4．101—999的基数词先写百位数，后加and再写十位数和个位数。如：691 six hundred and ninety-one。 5．1000以上的基数词先写千位数，后写百位数，再加and，最后写十位数和个位数。 如：5893 five thousand eight hundred and ninety-three。在基数词中只有表示“百”、“千”的单位词，没有单独表示“万”、“亿”的单位词，而是用thousand（千）和million（百万）来表达，其换算关系为：1万=10 thousand;1亿=100 million; 10亿=a thousand million=a billion。 6．多位数的读法： 1）1000以上的多位数，要使用计数间隔或逗号“，”。即从个位起，每隔三位加一个间隔或逗号。第一个间隔或逗号前是thousand（千），第二个间隔或逗号前是million（百万），第三个间隔或逗号前是a thousand million或a billion(十亿)。 2）每隔三位分段以后就都成了101—999。读的时候十位数（或个位数）的前面一般要加and。如： 888，000，000读作：eight hundred and eighty-eight million。 基数词的用法： 1. 基数词在句中的作用 基数词的作用相当于名词和形容词，在句中可作定语、主语、宾语（介宾）、表语、同位语等。 例如：Three and five is eight. 3+5=8 （作表语）How many oranges do you want?你要多少桔子？ I want eight. 我要八个。（作宾语）There are eight boats in the lake. 湖里有八条小船。（作定语） 2．Hundred, thousand, million, dozen, score这些词前面如有表示具体数字的词，它们不能加“s”,反之则须加“s”, 并要与of短语连用。例如：three hundred people, five thousand years； thousands of people, hundreds of students, thousands of trees （二）序数词 表示顺序的词，叫序数词。序数词用来表示数词顺序。除特殊情况外，序数词一般都由相应的基数词加后缀-th构成。 请见下表： 第一到第十第十一到第十九第二十以上 first eleventh twentieth
初中英语冠词专项练习题⑴ 1. I read ______story. It is ______interesting story. A. a, an B. a, a C. the, the D. /, an 2. Britain is __ European country and China is ___ Asian country. A. an, an B. a, a C. a, an D. an, a 6. It took me ______ hour and _____ half to finish ______ work. A. a, a, a B. an, a, a C. an, a, the D. an, a, / 12. What ____ fine day it is today! Let's go to the Summer Palace. A. a B. an C. the D. / 15. It's ____ exciting way to shop on the Net. A. a B. an C. the D. / 17. Xi'an is ___ old city with ___ long history, isn't it? A. a, an B. an, a C. the, the D. the, a 19. Chaffs is______ boy, but he can play the guitar very well. A. an eight-years old B. a eight-year-old C. a eight-years-old D. an eight-year-old 18. Nancy's sister is ____ English teacher, isn't she? A. a B. an C. the D. / 22.We work five days ______ week. A. a B. an C. the D. / 27.There's ______“u” and ______“s” in ______word “use”. A. an, a, the B. a, an, × C. a, a, a D. a, an, the 26.-Have you seen ______ book? I left it here this morning. -Is it ______ Chinese book? I saw it.
初中英语数词 讲解 数词分为基数词和序数词两种。表示数目或数量多少的词叫基数词；表示数目顺序的词叫序数词。 一、基数词 1.基数词就注意以下几点： （1）几十几的基数词的十位数与个位数之间要用连字符“-”连接。如： eighty-five 85 twenty-six 26 （2）三位数的基数词须在百位和十位（若无十位则和个位）之间用and连接。如：three hundred and sixty-five 365 two hundred and six 206 （3）基数词的复数形式。当基数词hundred，thousand，million，billion等词前有详尽数词或several修饰时，必须用单数。如： several hundred year“s ago几百年前 two thousand students两千个学生 2.基数词的分外用法： （1）表示“几十年代”或“几十岁”时，用逢十的基数词的复数形式。如：in the 1990“s 20世纪90年代 i n one“s twenties在某人20多岁时 （2）用在习语中。如： in twos and threes三三两两地
二、序数词 序数词应注意的几点事项： 1.多位数的基数词变成序数词时，只需将末位基数词变成序数词，前边的基数词不变。 如： forty-two 42 forty-second第42 nine-hundred 900 nine-hundredth第900 2.当序数词用阿拉伯数字表示时，必须在数字后加上序数词的最后两个字母。如：21st第21 32nd第32 3.序数词前大凡要用定冠词the，如果序数词前用a或an时，则表示“又一；再一”（没有详尽范围的限制）。如： Though he had failed twice，he wanted to try a third time. 尽管他已失败了两次，他还想再试一次。 The little monkey had had three apples，and he wanted to eat a fourth one.那只小猴子已经吃了3个苹果，他还想再吃一个。 三、分数和百分数 1.分数 （1）分数的分子用基数词，分母用序数词。如： one fifth五分之一 one tenth十分之一 （2）当分子大于1时，分母用序数词的复数。如：
xx冠词专项练习题。 一： ( ) 1 A little boy wrote____ "U" and___ "n" on the wall. A. a; an B. an; a C. an; an D. a; a ( ) 2 _____ old lady in brown is____ university professor. A. An; a B. An; / C. The; an D. The; a ( ) 3 This is ____ interesting book and it is also ____ useful one. A. an; an B. an; the C. ah; a D. a; a 二： ( ) 1 We have never seen ____ interesting film. A. such B. such an C. so D. such a ( ) 2 He is___boy. A. a seven-years-old B. an eight-year-old C. the seven-year-old D. an eight-year-older 三； ( ) 1 ____monkey can climb ____trees. A. /; the B. A; / C. The; a D. /; / ( ) 2 ____ trains are faster than ____ buses. A. /; / B. The; / C. /; the D. The; a ( ) 3 -Have you learned German? -Yes. It's ___ language I've ever learned.
1. It is reported that the United States uses ________ energy as the whole of Europe. (广西卷) A. as twice B. twice much C. twice much as D. twice as much 【分析】答案选D。由twice(两倍)和energy后的as可知，此题是考查用“倍数+as+形容词原级+as”来表达倍数的方法。 2. The house rent is expensive, I’ve got about half the space I had at home and I’m paying ________ here. (上海卷) A. as three times much B. as much three times C. much as three times D. three times as much 【分析】答案选D。倍数three times要放在as的前面，后面省略as I paid at home。 3. With the help of the German experts, the factory produced ________ cars in 1993 as the year before. (上海卷) A. as twice many B. as many as twice C. as twice as many D. twice as many 【分析】答案选D。倍数放在as之前。此题与全国卷曾考过的一题几乎一样： After the new technique was introduced, the factory produced ________ tractors in 1988 as the year before. A. as twice many B. as many twice C. twice as many D. twice many as (答案选C) 4. Paper produced every year is ________ the world’s production of vehicles. (上海卷) A. the three times weight of B. three times the weight of C. as three times as heavier as D. three times as heavier as 【分析】答案选B。倍数three times要放在the weight of之前。若选项D中heavier改为heavy 也对。