英语数词专项练习题
数词专项练习(附答案解析)
数词专项练习（附答案解析）一、选择题。
1.Nowadays ______of business letters are written in English.A. two thirdB. two thirdsC. two threeD. second three本题考查的知识点是分数的表达。
句意：现如今，有三分之二的商务信函都是用英语写的。
分子用基数词，而且是2，大于1，所以分母用复数，而且用序数词，因此选B.分数表达法为：分子用基数词，分母用序数词；分子在前，分母在后；若分子大于1时，分母用复数。
2.---Good news! Bill won _____ medal in the long jump just now. ---Really? That’s his ____ one at our sports meeting.A. a; fourB. an; fourthC. a; fourth本题考查的知识点是不定冠词以及序数词的用法。
句意：好消息！比尔在刚才的跳远比赛中赢得了一枚奖牌。
——真的吗？那是他在我们的运动会上赢得的第四枚了。
因为Bill赢了一枚奖牌，是泛指，用不定冠词，而且medal的第一个音节是辅音，所以用a, 而后面指第四枚，应该用序数词，因此答案为C。
名词第一次出现时用a或an, 表泛指。
“第四枚”应该用序数词fourth.3.---Peter, how old is your father this year?---_____. And we just had a party for his_____ birthday last week.A. Fortieth; fortyB. Forty; fortyC. Forty; fortiethD. Fortieth; fortieth本题考查的知识点是基数词与序数词的综合运用。
句意：——彼得，你父亲今年多大？——40岁。
上周末我们刚为他举行了40岁的生日聚会。
【英语】英语数词练习题20篇
【英语】英语数词练习题20篇一、初中英语数词1．It's 10:15. We can say a _______ past ten.A. quarterB. halfC. poundD. kilo 【答案】 A【解析】【分析】句意：现在是10:15。
我们可以说十点过一刻。
A. 一刻钟； B.一半；C.英镑；D.公斤。
根据英语的表达习惯可知，十点十五分也可以说成是十点一刻，故选A。
【点评】考查名词辨析。
注意理解单词意思，理解句意。
2．Did you know that the earth is home to ______ animals?A. millionB. millionsC. million ofD. millions of【答案】 D【解析】【分析】句意：你知道地球是几百万动物的家园吗？millions of，固定搭配，几百万的；数词+million，表示具体的……百万，此时million是单数形式；空前没有具体数词，因此用millions of，故选D。
【点评】考查数词，注意millions of的用法。
3．The TV was invented around .A. the twenty centuryB. the twentieth centuryC. twentieth centuryD. twenty century 【答案】 B【解析】【分析】句意电视大约是在二十世纪发明的。
二十世纪也就是第二十个世纪，因此使用序数词，序数词前必须使用定冠词the，故答案是B。
【点评】考查数词，注意序数词再具体语境中的运用。
4．There are ________________ months in a year. My birthday is in the ________________ month.A. twelve; twelveB. twelfth; twelfthC. twelve; twelfthD. twelfth; twelve【答案】 C【解析】【分析】句意：一年有12个月，我的生日在第12个月。
(英语)英语数词练习题20篇及解析
（英语）英语数词练习题20篇及解析一、初中英语数词1．Li Hua is going to be an elder brother. His parents are planning to have their ________child.A. firstB. secondC. oneD. two【答案】 B【解析】【分析】句意：李华要当哥哥了，他的父母计划生二胎。
A第一，B第二，C一，D二，限定词+序数词+名词，第几个......，选项C和D是基数词，故排除，根据Li Hua is going to be an elder brother，可知是二胎，及第二个孩子，故选B。
【点评】考查数词，注意根据 Li Hua is going to be an elder brother的语境选择序数词的用法。
2．The number of the students in our school is about four __________._______ of them are girls.A. thousand; Two thirdsB. thousands; Two thirdC. thousands; Two thirdsD. thousand; Two third【答案】 A【解析】【分析】句意：我们学校的学生人数大约是四人。
三分之二是女孩。
four基数词后用thousand的原形，分数表达形式是分子是基数词，分母是序数词，分子大于一，分母用复数形式，故三分之二是two thirds，故选A。
【点评】考查数词，注意分数的用法。
3．— Is Dongjin High-speed Railway Station the largest in Hubei Province?— Yes, of course. It's just a little smaller than the largest one in Wuhan.A. firstB. secondC. thirdD. fourth【答案】 B【解析】【分析】句意：——靳东高速火车站是湖北省第二大的吗？——是的，当然。
初中英语2024届中考语法复习数词专项练习(真题再现+强化训练)(附参考答案和解析)
中考英语数词专项练习班级考号姓名总分【真题再现】一、1.Boys and girls, please turn to Page_and look at the picture(内蒙古呼和浩特)A.Fifth; fiveB.Five; fiveC.Fifth;fifthD.Five; fifth2.Kate is a school girl.She got many presents on her birthday. (四川凉山)A.nineB.the ninthC.ninetiethD.ninth3.Two students to the opening ceremony last Friday. (山东滨州)A.hundreds; were invitedB.hundred; were invitedC.hundreds of; invitedD.hundred of;invited4.It's reported that people throw plastic bags along this street every day.(四川南充)A.hundredB.hundredsC.hundred ofD.hundreds of5.Helen loves reading.She has read books this month. (重庆)A.fiveB.fifthC.five ofD.fifth of6.-How many people were invited to the meeting?-About six (云南)A.hundredB.hundredsC.hundred ofD.hundreds of7.Amy will have her birthday party next Friday. (青海)A.twelveB.twelfthC.the twelfth8.The number of the cars in our neighborhood is about eight and of them are new cars. (新疆乌鲁木齐)A.hundred; two thirdsB.hundred; two thirdC.hundreds; two thirdsD.hundreds; two third9.To finish the task,we’ve tried three times, and after dinner we’ll try time.(贵州安顺)A.the fourthB.a fourthC.fourthD.fourst year,one hundred English teachers took part in the English Summer Training.(湖南郴州)A.two-monthB.two-monthsC.two months二、根据句意及汉语或英语提示,用单词的正确形式填空。
数词英语练习题
数词英语练习题### 数词英语练习题#### 一、选择题1. How many days are there in a week?A. SixB. SevenC. EightD. Nine2. What is the ordinal number for the 21st?A. TwentyB. Twenty-oneC. Twenty-firstD. Twenty-oneth3. If today is Monday, what day is it in three days?A. WednesdayB. TuesdayC. ThursdayD. Friday4. Which of the following is the correct way to express "two hundred"?A. Two hundredsB. Two hundredC. Two hundreds ofD. Two hundreds of5. How do you say "1,234" in English?A. One thousand, two hundred thirty-fourB. One thousand two hundred thirty-fourC. One thousand, two hundred, thirty-fourD. One thousand two hundred, thirty-four#### 二、填空题6. The year 2023 is the ________ year of the 21st century._________ (答案：second decade)7. There are ________ seasons in a year._________ (答案：four)8. The number 3,500 can be written as ________._________ (答案：three thousand five hundred)9. If you have 12 apples, and you give away half, how many do you have left?_________ (答案：six)10. The word "million" means one thousand times ________._________ (答案：thousand)#### 三、改错题11. There are 365 days in a years.(错误：years 正确：year)12. I have two thousands dollars in my bank account.(错误：two thousands 正确：two thousand)13. The number 5,204 is read as "five thousand and twenty-four."(错误：and 正确：zero)14. The ordinal number for 15 is "fifteen."(错误：fifteen 正确：fifteenth)15. The date of my birthday is on the 1st of January.(错误：1st 正确：first）#### 四、翻译题16. 请将下列中文数字翻译成英文。
英语数词练习题及答案
英语数词练习题及答案英语数词是英语学习中的一个重要部分，掌握好数词的使用对于提高英语水平非常关键。
以下是一些英语数词的练习题及答案，供学习者练习和参考。
练习题1：将下列英语数词转换为基数词形式。
1. First2. Second3. Third4. Twentieth答案1：1. 1st2. 2nd3. 3rd4. 20th练习题2：将下列基数词转换为序数词形式。
1. 12. 23. 214. 30答案2：1. First2. Second3. Twenty-first4. Thirtieth练习题3：用适当的数词填空。
1. There are _______ days in a week.2. I have _______ brothers and _______ sisters.3. She is _______ years old.4. The _______ floor of this building is the highest.答案3：1. seven2. two, one3. twenty4. tenth练习题4：根据所给的数词，写出对应的英文表达。
1. 1002. 10003. 1,2344. 10,000答案4：1. One hundred2. One thousand3. One thousand two hundred thirty-four4. Ten thousand练习题5：将下列句子翻译成英文。
1. 我住在第五层。
2. 这是我第一次来中国。
3. 他有四个孩子。
4. 这本书是第三本。
答案5：1. I live on the fifth floor.2. This is my first time to come to China.3. He has four children.4. This book is the third one.通过这些练习题，学习者可以加强对英语数词的理解和应用。
英语数词专项练习习题
英语数词专项练习习题一、选择题1．He was born ________.A．in 1930s B．in the 1930s C．in the 1930 D．on the 1930s2．We read $ 20 as ________.A．twenty dollar B．twenty dollars C．dollar twenty D．dollars twenty3．If Li Ming is a boy, with his parents goes to the museum on March 8, how much money will they spend?A．130 yuan B．150 yuan C．180 yuan4．—There were ________ students in the meeting.—Yes. And the meeting lasted (持续) for 90 minutes.A．two hundreds B．two hundred C．two hundreds of5．Tony spends 2 hours a week studying English. The following table shows how he spends the time. According to the table, he spends _______ on English reading every month.A．160 minutes B．120 minutes C．40 minutes6．—Which is the smallest number of the three?—________.A．Two thirds B．A half C．A quarter7．—What time is it now, Mike？—It’s ________ quarter past five. Let’s go to play ________ basketball.A．不填; 不填B．a, a C．the, a D．a, 不填8．—How often does your sister surf the internet?—________.A．Three time B．Three times C．Three time every day D．Three times a day9．Ben is a hard-working writer. He wrote his __________ novel when he was_________ years old.A．five；fifty B．fifth；fifty C．fifth：fiftieth D．five；fiftieth10．—Eddie, do you want to have________?—Yes, please.A．five cookies more B．five another cookiesC．more five cookies D．five more cookies11．________ people went to visit the Palace Museum yesterday.A．Hundred B．Hundreds C．Hundred of D．Hundreds of12．December ________ is Christmas Day.A．twenty-five B．the twenty-fifth C．the twentieth-five D．twentieth-fifth13．________ 84-year-old man was attacked while walking in San Francisco. More than ________ of the population in this city is Asian.A．A; one-third B．An; one-third C．/; one-third D．An; two-third14．It took me ________ to find out the key to the drawer.A．one and half hours B．one and a half hours C．one and a half hour D．one and half hour15．We have ________ classes this morning and the ________ one is math.A．four；two B．four；second C．fourth；second16．Tomorrow is my mother’s _________ birthday.A．fortieth B．fourteen C．forty D．four17．He is a collector. He has ________ basketballs.A．twenty three B．twenty-three C．three-twenty18．—How many students are there in your class ?—________. Fifteen girls and fifteen boys .A．Thirty B．Thirteen C．Thirtieth19．There are _______ of things in the lost and found office, and about nine_______ people come here every day to look for their things.A．thousand, hundred B．thousands, hundreds C．thousand, hundreds D．thousands, hundred20．More than five ________ tourists come here to enjoy the scenery every year. A．thousand of B．thousands of C．thousand D．thousands21．No more than six ________ tourists can visit the flower show one day, about 50 people for each hour from 8:00 am to 8:00 pm.A．hundred B．thousand C．hundreds of D．thousands of22．The ________ month is April.A．first B．second C．third D．fourth23．— How long is the bridge?—It’s _________.A．300-metres-long B．300-metres long C．300 metres longD．300 metre long24．We should read 250,608 ________.A．Twenty-five thousand and six hundreds and eight B．two hundred and fifty thousand six hundred and eightC．two hundred and fifty thousand and six hundred and eight D．Twenty-fivethousand six hundred and eight25．—Mum, it’s not enough. Please add ________. We need to make a big bowl (碗) of soup.—OK. Here you are.A．another two tomato B．two more tomato C．another two tomatoes D．more two tomatoes26．—Jim, how old is your father?—Today is his ________ birthday.A．forty B．fortieth C．fourteen D．fourteenth27．There is ________ “s” in the word “bus”. It’s the ________ letter.A．a, three B．a, third C．an, third D．the, three28．________ people were flooded out when the river burst its banks. A．Hundreds B．Hundred C．Hundred of D．Hundreds of29．—I swim for forty minutes this morning and fifty minutes this afternoon. —Wow! You swim for ________ minutes today.A．seventy B．eighty C．ninety D．hundred30．There are ________ books in the library. You can borrow some to read. A．thousand of B．thousands of C．five thousands D．five thousands of31．—The girl is so lovely (可爱的). How old is she?—She is only ________. Today is her ________ birthday.A．five; five B．fifth; five C．fifth; fifth D．five; fifth32．________ of the land ________ covered with trees in our city.A．Two fifth; is B．Two fifth; are C．Two fifths; is D．Two fifths; are33．There is a building _________ high by the road.A．tenth storey B．ten storeys C．ten-storeys D．ten-storeies34．Today we have ________ classes, and the ________ class is math.A．eight；five B．eighth；fifth C．eight；fifth35．Seven and two _________.A．is nine B．are nine C．is five36．The reading room is on ________ floor. You need to go upstairs.A．fourth B．the four C．four D．the fourth37．—Do you have enough workers to carry the chairs?—No, I think we need ________ students.A．another five B．more five C．five more D．A and C38．My ________ birthday is on Friday. I want to invite（邀请）________ friends to my birthday party.A．thirteenth; twenty B．thirteen; twenty C．thirteen; twentieth39．—When is your birthday? —It’s May ________.A．four B．fourteen C．fourth D．forty40．—Dear, how is your homework going?—Oh, mom, I’ve just finished ________ of it.A．second three B．two third C．second threes D．two thirds41．Take it easy. There will be ________ two buses coming in five minutes. A．another B．other C．others D．the other42．When is your brother’s birthday?A．1990 July 9th B．1990, 9th July C．July 9th, 1990 D．9 July, 199043．________our eyes, we can see more than _______ stars on a clear night. A．With; two thousand B．With; two thousandsC．In; two thousands D．In; two thousand44．________ people prefer HUA WEI phones, and about ________ of them are adults.A．The number of; four-fifths B．A number of; four-fifthC．A number of; four-fifths45．Every year, people give away _________ books to the poor children in the countryside.A．thousand B．thousands of C．thousand of D．four thousands46．I think a dog is a good pet for ________ child.A．a 6-year-old B．an 6-years-oldC．a 6-year old D．a 6 years-old47．—Jane, I love your hometown. It’s so beautiful.—That’s true. But it’s so far away from Xi’an. It’s about 5 ________ kilometers from Xi’an.A．hundreds B．hundred C．hundreds of D．a hundred48．— How old is your daughter, Mr. Brown?—________. We had a wonderful party for her ________ birthday last Friday. A．Twelve; twelfth B．Twelfth; twelve C．Twelve; twelve D．Twelfth; twelfth49．_________ trees have been planted near here, so the air is fresh.A．Two hundreds B．Hundred of C．Hundreds of D．Hundreds50．A ________ girl named Yang Qian won the first gold medal in Tokyo Olympic Games.A．21-year old B．21-years-old C．21-year-old二、填空题51．There are ______ (千) of students in the school.52．—How old is your grandpa?—He is ___________ (七十二).53．Ten __________ (百分之……) of the students didn't go to the zoo last Sunday. 54．There are ________ (百) of students in the dining hall.55．You need to turn right at the ________(第三)street.56．My father is _______ (四十) years old and today is his birthday.57．There are two _________ (一千) students in our school.58．Jack is busy preparing for a party to celebrate her sister’s ________ (十二) birthday.59．We usually have lunch at a ______________ (一刻钟) past eleven.60．My uncle lives on the ________ (第四十) floor.三、用所给单词的正确形式填空61．When he climbed to the ____ floor, he was tired out. (nine)62．Jacky lives on the ________ floor. (twenty)63．Jin Mao Building is the ________ highest building in the world. (eight)64．Our grandma is going to have her ________ birthday party. (eighty)65．Our library is on the ________ floor.(four)66．My sister is in the _____ (one) picture.67．His birthday is May the ________ (five)．68．In summer, the temperature will be in the ________. (thirty)69．Her _________ name is Alice and her last name is Green. (one)70．Joe has recently returned from his ________ trip to Australia.(five)四、完成句子71．汤姆每天五点半起床。
小学英语数词专项练习【三篇】
【导语】海阔凭你跃，天⾼任你飞。
愿你信⼼满满，尽展聪明才智;妙笔⽣花，谱下锦绣第⼏篇。
学习的敌⼈是⾃⼰的知⾜，要使⾃⼰学⼀点东西，必需从不⾃满开始。
以下是为⼤家整理的《⼩学英语数词专项练习【三篇】》供您查阅。
【第⼀篇】基数词1. 表⽰数量多少的词是基数词，如：one, two, three等。
2. 数词的构成1）从1－12分别由从one到twelve，12个各不相同的词表⽰。
2）从13－19均以后缀-teen结尾。
3）从20－90的整⼗数词均以后缀-ty结尾。
表⽰“⼏⼗⼏”时，个位和⼗位之间需加连字符。
4）整百数由1—9加hundred构成。
5) 整百数和整⼗数之间由and连接，⼗位与个位之间要加连字符“-”。
如果⼗位数为零，那就在百位和个位之间⽤and连接。
6）千 thousand 百万 million ⼗亿 billion序数词基变续，有规律，词尾加上th;⼀⼆三，特殊记，词尾字母t,d,d(first,second,third);⼋减t(eighth), 九去e (ninth)，f来把ve替(five---fifth,twelve---twelfth); 单词ty作结尾，ty变成tie(twenty-twentieth);若是碰到⼏⼗⼏，只变个位就可以1) 第⼀百、第⼀千、第⼀百万、第⼗亿都是在基数词后直接加th构成。
2）.序数词的缩略形式是由阿拉伯数字加序数词的最后两个字母构成。
3) 序数词前必须加定冠词the年、⽉、⽇的表⽰法1986年9⽉1⽇ September 1st, 1986 / 1st September, 1986时刻的表⽰法第B、半点的表⽰法表⽰半点钟时，⽤“钟点数+ thirty”或“half+ past +钟点数”表⽰C、“⼏点⼏分”的表⽰法（1）⽤“钟点数+分钟数”表⽰（2）分钟数在30分钟以内的，⽤“分钟数+ past +钟点数”表⽰，意为“⼏点过⼏分“（3）分钟数超过30分钟的，⽤“（60-分钟数）+ to +下⼀个钟点数”表⽰，意为“差⼏分到⼏点”【第⼆篇】⼀．⽤括号内所给数词的正确形式填空.28′1.We are in Class________（3）.2.We have________（12）months of the year.December is the _____________（12）one.3.This is my________（1）bag.4.My birthday is Dec.________（21）.5.I have________（3）books.I like my________（3） book.⼆、根据句⼦意思填空。
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外研版英语数词专项练习题一、初中英语数词1．—Have you heard of the Two-Child policy?—Of course. And I know many couples have new babies in their ______.A. fortiesB. fortiethC. the fortiethD. forty【答案】 A【解析】【分析】句意：——你听说过二胎政策吗？——当然，并且我知道许多夫妇在40岁的时候生婴儿。
根据短语in their forties，在四十多岁，可知比较符合句意，故选A。
【点评】考查介词短语，注意in one's forties的用法。
2．When Huawei P20 came out, ______ people couldn't wait to buy one in our town.A. thousandB. thousandsC. thousand ofD. thousands of【答案】 D【解析】【分析】句意：当华为P20上市时，成千上万的人迫不及待地想在我们镇上买一台。
thousand，千，其前有具体数词修饰时，用其单数形式，当其前没有具体数词修饰时，用其复数形式，且和of连用，thousands of，成千上万，这里没有具体数词修饰，故选D。
【点评】考查整数的表达。
注意识记thousand的用法。
3．—What day is the ______ day of the week?—It's Friday.A. fifthB. fiveC. sixD. sixth【答案】 D【解析】【分析】句意：——一周的第六天是星期几？——星期五。
A.第五；B.五；C.六；D.第六。
星期五是一周的第六天，因此使用sixth，故答案是B。
【点评】考查序数词，追序数词在具体语境中的运用。
4．Please turn to Page ______________ and take a look at the picture on it.A. the eightiethB. EightiethC. EightiesD. Eighty【答案】 D【解析】【分析】句意：请翻到第80页，看看上面的图片。
当表示“第…….页（房间、组等）”时，常用“名词+基数词”，Page80表示“第80页”。
故选D。
【点评】考查基数词的基本用法。
注意Page80=the 80th page，都表示第80页。
5．There are ________________ months in a year. My birthday is in the ________________ month.A. twelve; twelveB. twelfth; twelfthC. twelve; twelfthD. twelfth; twelve 【答案】 C【解析】【分析】句意：一年有12个月，我的生日在第12个月。
名词复数months前是基数词，twelve是基数词，the定冠词后是序数词，twelfth是序数词，故选C。
【点评】考查数词，注意名词复数前是基数词，定冠词后是序数词的用法。
6．There are people in Dale's family. They live on the floor.A. five; nineB. fifth; nineC. five; ninthD. fifth; ninth【答案】 C【解析】【分析】句意：在戴尔的家里有五个人。
他们住在九楼。
基数词放在名词前修饰名词，表示数量，因此用five；序数词放在floor前面表示顺序，因此用ninth，故选C。
【点评】此题考查数词。
注意基数词和序数词的使用规则。
7．Most of the doctors in this hospital were born ________, and they are ________now.A. in the 1970; in their fiftiesB. in 1970s; in the fiftiethC. in the 1970s; in fiftiethD. in the 1970s; in their fifties【答案】 D【解析】【分析】句意：这家医院的大多数医生都出生于20世纪70年代，现在他们都是50多岁。
in the+四位数的整数复数形式，在……世纪……年代，in one's+两位数的整数复数形式，在某人多大岁数时，故选D。
【点评】考查数词，注意表示世纪和年龄的用法。
8．—We'll celebrate the National Day this year.—That's really exciting.A. seventyB. seventeenC. seventieth【答案】 C【解析】【分析】句意：——今年我们将庆祝第七十个国庆节。
——那是真令人兴奋。
A.70，基数词；B.17，基数词；C.第70，序数词。
the+序数词，表示第几，故选C。
【点评】考查数词用法，注意平时识记其区别。
9．______ should not be allowed to go out at night.A. Twelve-years-oldB. Twelve-year-oldsC. Twelve years oldD. Twelve year olds 【答案】 B【解析】【分析】句意：12岁的孩子不应该被允许夜晚出去。
数量词作定语应用连字符，并且量词用单数，故选B。
【点评】考查数量词作定语的用法。
10．In 2010, ___________ people from all over the world came to Shanghai to see the World Expo.A. ten million ofB. ten millionsC. million ofD. millions of【答案】 D【解析】【分析】句意：2010年，来自世界各地的数百万人来到上海观看世博会。
表示确切数字用基数词+million，表示几百万；表示非确切数字时用millions of，数百万，固定搭配。
ten10，基数词，所以用ten million，排除A、B，故选D。
【点评】考查数学词的表达，注意平时识记表示确切数字用基数词+million，表示几百万；表示非确切数字时用millions of，数百万。
11．It's the ______ time for me to visit the Shunfeng Park. And I want to visit it a sixth time.A. fifthB. fiveC. fifthsD. the five【答案】 A【解析】【分析】句意：这是我第五次参观顺丰公园，我想第六次去参观。
A序数词，第五，B基数词，五，根据the定冠词可知，定冠词后是序数词，故选A。
【点评】考查数词，注意定冠词后是序数词的用法。
12．The insurance company paid Mr Li two___________ dollars for his stolen vase.A. millionB. millionsC. million ofD. millions of【答案】 A【解析】【分析】句意：保险公司付给李先生两百万美元为了他被偷来的花瓶。
表示确切数字时用基数词+million表示几百万；表示非确切数字时用millions of，数百万的......。
two，2，是基数词，所以用million，故选A。
【点评】考查数学词的表达，注意平时识记确切数字时用基数词+million表示几百万；表示非确切数字时用millions of数百万的。
13．In our class of the students girls.A. third fifths; isB. third fifth; areC. three fifth; isD. three fifths; are【答案】 D【解析】【分析】句意：我们班五分之三的学生是女生。
分数表达方式：分子要用基数词，分母要用序数词，当分子超过一时，分母后要加s。
五分之三的正确表达是three fifths；带有分数的短语作主语时，谓语动词由分数后面的名词形式来决定，students是复数形式，谓语动词要用are，故选D。
【点评】考查分数的基本构成。
注意其作主语时谓语动词形式的选择。
14．_________ of the teachers are women in our school.A. Two thirdB. Two threesC. Two thirdsD. Two【答案】 C【解析】【分析】句意：在我们学校三分之二的老师是女老师。
表达分数时，分子用基数词，分母用序数词，分子大于1时，分母用复数。
三分二，二是分子，所以用基数词two，三是分母，所以用序数词third，分子二大于一，所以分母third用复数thirds，所以三分之二用two thirds，故选C。
【点评】考查分数表达，注意平时识记其表达规则。
15．There are tourists visiting Beijing every year.A. hundredB. hundredsC. hundreds ofD. two hundreds of【答案】 C【解析】【分析】句意：每年有数百的游客参观北京。
表达确切数字用基数词+hundred，表达非确切数字用hundreds of，前面没有具体数字，因此用hundreds of，故选C。
【点评】考查数学词表达，注意平时识记。
16．—Dad, there are 45 students in our class, all boys wear glasses, ________ of the whole class. —Oh, that's terrible. You thirty boys should take care of your eyes.A. one fourthB. one thirdC. two thirdsD. three quarters【答案】 C【解析】【分析】句意：——爸爸，我们班有45名学生，所有的男孩戴眼镜，占班级的三分之二。
——噢，太可怕了。
你们三十个男孩应该保护好自己的眼睛。
考查分数的写法，用英语表达分数时，分子使用基数词，分母使用序数词，如果分子不是一，分母使用复数形式。
根据thirty boys，可知是三分之二，因为一般的班容量是45-50名学生，故答案是C。