1、数词数词数字数字基数词形式基数词形式例词例词012各自独立各自独立zero 0;one 1;nine 9;twelve 12131913,15,18是特殊形是特殊形式,式,14,16,17,19是在个位数形式后添是在个位数形式后添加后缀加后缀teen构成构成特殊:特殊:thirteen 13;fifteen 15;eighteen 18一般:一般:fourteen 14;sixteen 162090整十位数整十位数20,30,40,50,80是特殊形式,是特殊形式,60,70,90是其个位数形式添是其个位数形式添加后缀加后缀ty构成构成twenty 20;thirty 30;forty 40;
2、fifty 50;sixty 60;seventy 70;eighty 80;ninety 90两位数两位数(几十几几十几)整十位数整十位数个位个位数数twentyone 21;thirtyfive 35;ninetyeight 98百位数百位数(几百几几百几)整百:整百:19基数基数词形式加词形式加hundred几百几:几百几:.hundred and两位数两位数seven hundred and eightyfive 785;two hundred and one 201千位数以上千位数以上从右向左数起,从右向左数起,每三位数加一个每三位数加一个逗号,依次为逗号,依次为thousand(千
3、千),million(百万百万),billion(十亿十亿)76,832,154,968 seventysix billion eight hundred and thirtytwo million one hundred and fiftyfour thousand nine hundred and sixtyeight数字数字序数词变化规则序数词变化规则例词例词1、2、3不规则变化不规则变化first第一;第一;second第二;第二;third第三第三4195,8,9,12是特殊是特殊形式,其他序数词是形式,其他序数词是由对应的基数词后添由对应的基数词后添加加th特殊:特殊:fifth第
4、五;第五;eighth第八;第八;ninth第九;第九;twelfth第十二第十二一般:一般:fourth第四;第四;nineteenth第十九第十九20、3090由对应基数词变结尾由对应基数词变结尾字母字母y为为i,再加,再加ethtwentytwentieth第二十第二十ninetyninetieth第九十第九十2199之间的非之间的非整十数整十数只把个位数变成序数只把个位数变成序数词,十位数不变词,十位数不变twentythird第二十三;第二十三;fiftysixth第五十六第五十六第一百以上的多第一百以上的多位序数词位序数词由基数词的形式变结由基数词的形式变结尾部分为序数词形式尾部分
5、为序数词形式one hundred and twentyfirst 第一百二十一;第一百二十一;one thousand,three hundred and twentieth 第一千三百二十第一千三百二十专题训练专题训练 32(2017泰安泰安)It is five years since we began to enjoy a spring holiday each year.【导学号导学号02134033】Atenday Bten day Cten days Dten days【解析解析】考查复合数词的用法。数词和其他名词构成名词性短语考查复合数词的用法。数词和其他名词构成名词性短语作定
6、语时作定语时,其中的名词用单数形式其中的名词用单数形式,中间用中间用“”来连接。故选来连接。故选A。【答案答案】A1December is and last month of the year.Athe twelfth Btwelfth Cthe twelve【解析解析】表示第十二个月应用序数词表示第十二个月应用序数词,即即the twelfth。故选。故选A。【答案答案】A4Please turn to page and take a look at the picture on it.Athe eightieth Beightieth Ceighties Deighty【解析解析】“pag
7、e基数词基数词”是固定用法。故选是固定用法。故选D。【答案答案】D3Christmas Day is on of December.Atwentyfive Bthe twentyfive Ctwentyfifth Dthe twentyfifth【解析解析】表示日期要用序数词表示日期要用序数词,且序数词前加且序数词前加the。故选。故选D。【答案答案】D6 of the students in Class 6 have lunch at school.ATwo fifth BOne thirdsCThrees fifth DThree quarters【解析解析】考查分数的表达。分数由基数词和
8、序数词构成,分子用考查分数的表达。分数由基数词和序数词构成,分子用基数词,分母用序数词,当分子基数词,分母用序数词,当分子(基数词基数词)大于大于1时,分母时,分母(序数序数词词)应加应加s;“四分之一四分之一”可用可用quarter代替。故选代替。故选D。【答案答案】D5To finish the task,weve tried three times,and after dinner well try time.Athe fourth Ba fourth Cfourth Dfour【解析解析】根据前面的根据前面的three times可知要试第四次可知要试第四次,序数词和不定冠序数词和不定
9、冠词连用表示词连用表示“又一;再一又一;再一”。故选。故选B。【答案答案】B8(2017乌鲁木齐乌鲁木齐)students went to the university to listen to the speech.AThousand of;120minutesBThousands of;120minutesCTwo thousands;120minutesDTwo thousand;120minute【解析解析】考查数词的用法。考查数词的用法。thousand前面有具体的数词时前面有具体的数词时,不加不加s;数词和其他名词构成名词性短语作定语时;数词和其他名词构成名词性短语作定语时,其中的
10、名词用其中的名词用单数形式单数形式,中间用中间用“”来连接。故选来连接。故选D。【答案答案】D7Tonys mum looks young and beautiful.Its hard to imagine she is already in her .Afifties Bfifty Cfiftieths Dfiftieth【解析解析】“in ones基数词复数基数词复数”是固定搭配是固定搭配,意为意为“在某人在某人岁时岁时”。故选。故选A。【答案答案】A10We are going on holiday in the week of July.Atwo Btwice Csecond【解析解析
11、】句意:我们打算在七月的第二个周去度假。故选句意:我们打算在七月的第二个周去度假。故选C。【答案答案】C9Meimei is going to be an older sister.Her parents are planning to have their child.Aone BTwoCfirst Dsecond【解析解析】句意:梅梅就要当姐姐了。她父母计划再要一个孩子。句意:梅梅就要当姐姐了。她父母计划再要一个孩子。故选故选D。【答案答案】D12The number of the cars in our neighborhood is about eight ,and of them a
12、re new cars.Ahundred;two thirds Bhundred;two thirdChundreds;two thirds Dhundreds;two third【解析解析】当当hundred前有具体数字时前有具体数字时,不能加不能加s;表达分数时;表达分数时,当当分子大于分子大于1时时,分母用复数。故选分母用复数。故选A。【答案答案】A11About of the land covered with trees and grass.Athree fifths;is Bthree fifths;are Cthree fifth;are【解析解析】考查分数的用法。分数作主语时考
13、查分数的用法。分数作主语时,谓语动词的数要与分谓语动词的数要与分数后面的名词保持一致。故选数后面的名词保持一致。故选A。【答案答案】A14.Have you heard of TFBOYS?Certainly.About teenagers love them very much in our school.Ahundreds Btwo hundreds of Ctwo hundreds Dtwo hundred【解析解析】当当hundred前面有具体的数字时前面有具体的数字时,不加不加s,后面也不接后面也不接of。故选故选D。【答案答案】D13I live in Room 403.Sam l
14、ives in the room right above mine,on the floor.Athird Bthree Cfifth Dfive【解析解析】句意:句意:“我我”住在住在403房间。房间。Sam住在我的正上方住在我的正上方,在五在五楼。表示楼。表示“第五楼第五楼”用序数词用序数词fifth。故选。故选C。【答案答案】C16Well be back for our schools anniversary ceremony.I see.That means youll have a gettogether with your classmates in years.Afifteen
15、;seven Bfifteenth;sevenCfifteen;seventh Dfifteenth;seventh【解析解析】表示表示“第几个周年庆第几个周年庆”应用序数词;应用序数词;“在在7年之后年之后”应用应用in seven years表示。故选表示。故选B。【答案答案】B15The workers will complete the new bridge in .Atwo and a half months Btwo months and half Ctwo and a half month【解析解析】“two and a half名词复数名词复数”是固定用法。故选是固定用法。故选
16、A。【答案答案】A18Welcome to Los Angeles.Have you ever been here?Sure.I visited this city three years ago so this is my time here.Afirst Bsecond Cthird Dfourth【解析解析】“我我”三年前游览过这座城市。由此推知三年前游览过这座城市。由此推知,这是这是“我我”“”“第二第二”次来这里。故选次来这里。故选B。【答案答案】B17The environment here becomes better and better.birds are coming ba
17、ck.AThousands of BThousand of CThousands DThousand【解析解析】thousand表示不确切的数字时应用复数形式表示不确切的数字时应用复数形式,且与且与of连连用。故选用。故选A。【答案答案】A20The Brazils Olympic games was held on August 5.exciting event it was!Athirtyone;How a Bthirtyfirst;What anCthirtyfirst;What Dthirtyone;How【解析解析】考查数词和感叹句的用法。句意:第考查数词和感叹句的用法。句意:第31
18、届巴西奥运会于届巴西奥运会于8月月5日举办。它是多么令人振奋的日举办。它是多么令人振奋的“一件事一件事”啊!故选啊!故选B。【答案答案】B19(2017哈尔滨哈尔滨)How do you keep fit?I live on floor.I walk upstairs instead of taking the lift every day.Atwelve Bthe twelve Cthe twelfth【解析解析】考查序数词的用法。表示住在考查序数词的用法。表示住在“第几层第几层”要用序数词。要用序数词。故选故选C。【答案答案】C22Mum,of the apples gone bad.We
19、d better eat up the rest as soon as possible.Aone third;have Bone thirds;have Cone third;has Dfirst three;has【解析解析】考查分数的表达和主谓一致。表示考查分数的表达和主谓一致。表示“三分之一三分之一”要用要用one third;谓语动词和;谓语动词和of后的名词保持一致后的名词保持一致,应用应用have。故选。故选A。【答案答案】A21Nowadays,of the old people in the area used to dancing on the square after s
20、upper.Atwo third;is Btwo thirds;is Ctwo thirds;are【解析解析】考查分数的表达和主谓一致。表达分数时,当分子超过考查分数的表达和主谓一致。表达分数时,当分子超过1时,分母要用复数。分数作主语时,谓语动词的数要与分数后时,分母要用复数。分数作主语时,谓语动词的数要与分数后面的名词保持一致。故选面的名词保持一致。故选C。【答案答案】C24.Come on,baby.We have already done of the work.Atwothree BtwothirdCtwothirds Dsecondthree【解析解析】分子用基数词分子用基数词,
21、分母用序数词分母用序数词,当分子大于当分子大于1时时,分母要分母要用复数。故选用复数。故选C。【答案答案】C23There are students in our school.Ahundreds Bhundreds of Chundred of【解析解析】hundred表示不确切的数字时应用复数形式表示不确切的数字时应用复数形式,且与且与of连连用。故选用。故选B。【答案答案】B25Mum,the beautiful card I made last night is just for your birthday.Oh,thank you,my dear!Aforty Bfourteen Cfortieth Dfourth【解析解析】句意:妈妈句意:妈妈,昨天晚上昨天晚上“我我”制作的漂亮贺卡是送给你制作的漂亮贺卡是送给你第四十个生日的礼物。故选第四十个生日的礼物。故选C。【答案答案】C