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初中英语语法专项习题8-数词 初中英语语法专项习题 数词
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→twenty-three,34→thirty-four,45→forty?five,56→fifty-six,67→sixty-seven,78→seventy-eight,8 9→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 eighty-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 thousand,four hundred and twenty-three 6,260,309→six million two hundred and sixty thousand three hundred and nine 750,000,000,000→seven hundred and fifty, billion(美式) seven hundred and fifty thousand million (英式)
  2.基数词的用法 (
  1)作主语 eg.Four Of them come from Paris. (
  2)作宾语 eg.一 How many books would you like? 一I would like two. (
  3)作表语 eg.Seven minus two is five. (
  4)作定语 eg.There are three people in my family? (
  5)作同位语 eg. You two will go swimming with us.
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  6)表具体数字时,hundred,thousand,million用单数。 eg. There are six hundred students in our grade. (
  7) 表不确定的数字时,数词用复数。 若带名词, 再加of hundreds of 数百,成百上千的) ( ,thousands of(数干,成千上万的),millions of(数百万) eg,They arrived in two sand threes.他们三三两两地来了。 (
  8)表示“…十”的数词的复数可以表示人的岁数或年代。 eg. He is in his early thirties.他有三十来岁(31?34岁) : This took place in the 1930s.这事发生在二十世纪三十年代; (
  9)表示时刻 eg.I watch CCTV News at seven o’clock every evening. (二)序数词 在英语中表示顺序、次序的词称为序数词。
  1.序数词的构成 (
  1)一般在基数词后加th eg.four→fourth,thirteen→thirteenth (
  2)不规则变化 one→first,two→second,three→third,five→fifth,eight→eighth,nine→ninth,twelve??~twelfih (
  3)以y结尾的十位整数,变y为ie再加th twenty→twentieth, forty→fortieth, ninety→ninetieth (
  4)从二十一后的“几十几”直至“几百几十几”或“几千几百几十几”只将个位的基数词变为序数 词。 twenty-first,two hundred and forty-fifth
  2.序数词的用法 (
  1)序数词作定语时,一般要与定冠词或物主代词连用。 eg.Tom is their second son. He is the first one to come here. (
  2)序数词有时可与不定冠词连用,表示数量上“又?”,“再一” eg: He tried a second time.他又试了?次。 Shall l ask him a third time?还要我再问他?次吗?我已问了他两次) (
  3)序数词的缩写形式为:阿拉伯数字加上这个词的末尾两个字母。 1st 2nd,3rd,4th,20th,21st,22nd,23rd (4表示年、月、日时,年用基数词,日用序数词。 2005年8月15日: (英)15,8,2005=15th,August,20
  05; (美)8,15,2005=August 15th,2005
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(三)基数词和序数词都可以用来给数字编号。 No.
  1(1号),No.3bus(3路公共汽车),Room 103,(103号旁间) The first lesson=Lesson Two(第二课) (四)分数词的表达 分子用基数词,分母用序数词,分子大于1时,分母加s eg.
  1/3-one third;
  2/5-two fifths (五)数学运算的表达 eg.3+5=8 Three plus/and five is eight. 9-2=7 Nine minus two is seven. 6x5=30 Five times six is thirty /six unutilized five is thirty. 8÷2=4 Eight divided by two is four. 练习题 1 ( ) 1 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 ( ) 2 There are students in this school. A. eight hundreds and forty-six B. eight hundred and forty six C. eight hundred and forty-six D. eight hundred forty-six 2 ( ) 1 people visit this museum every day. A. Hundred B. Hundreds C. Hundred of D. Hundreds of ( ) 2 There are two people in the meeting room. A. hundred B. hundreds C. hundreds of D. hundred of ( ) 3 Every year watch NBA on TV. A. million people B. millions of people C. millions people D. million of people ( ) 4 trees have been planted in our school in the past 10 years. A. Thousands of B. Two thousands C. Thousand of D. Two thousand of ( ) 5 Look! There are in the sky. A. thousand stars B. thousand of stars C. thousands of stars D. thousands of star 3 ( ) 1 My brother is in. A. Three Class, One Grade B. Class Three, Grade One C. Grade One, Class Three D. class three, grade one
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( ) 2 We are going to learn this term. A. book six B. six book C. the book six D. Book Six ( ) 3 Please turn to. Let's read the text aloud. A. Page Two B. the page two C. second page D. page second 4 ( ) 1 We can say the number 78, 645 in English like this. A. seventy-eight thousand and six hundred and forty-five B. seventy-eight thousand six hundred and forty five C. seventy-eight thousand six hundred and forty-five D. seventy eight thousand six hundred and forty-five ( ) 2 "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 5 ( ) 1 He will come here tomorrow morning. A. at fifth B. at ten C. on two D. till tenth ( ) 2 Every day he begins to do his homework . A. at ten past seven B. at seven pass ten C. on ten past seventh D. until ten ( ) 3 He was doing some washing . A. at eight yesterday morning B. yesterday morning eight C. yesterday morning at eight D. by eight yesterday morning 6 ( ) 1 He began to work there. A. on his fifty B. at age of fifty C. when he fifty D. in his fifties ( ) 2 They moved to Beij ing _ A. in 1980s B. in the 1980 ' C. in the 1980s D. on the 1980's ( ) 3 We all like the boy. A. of ten years old B. ten-year-old C. at ten old D. of age of ten ( ) 4 She was her early twenties when she went abroad. A. at B. on C. of D: in 7 ( ) 1 There are months in a year. December is themonth of the year. A. twelve; twelve B. twelve; twelfth C. twelfth; twelve D. twelve; twelveth ( ) 2 During century, the world population has already reached 6 billion. A. twenty B. the twentieth C. twentieth / D. the twenty ( ) 3 Sunday is the day of the week. A. seventh B. first C. second D. third
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( ) 4 Autumn is season in a year. A. the fourth B. the third C. a third D. the threeth ( ) 5 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 nineth 8 ( ) 1 -What's the date today? -Its. A. Friday B. time to go C. cloudy D. June 4th ( ) 2 Jenny was born A. on July 10, 1987 B. in July 10, 1987 C. in 1987, July 10 D. on 1987, July 10 ( ) 3 Monday is the second day, and. A. Tuesday is the fourth B. Thursday is the fifth C. the second is Tuesday D. the second is Thursday 9 ( ) 1 About of the books in our school library are written in Chinese. A. four-fifth B. four-fifths C. fourth-fifths D. fourths-fifth ( ) 2 of the students are girls in our class. A. Two three B. Two threes C. Two thirds D. Second three ( ) 3 of the world's books and newspapers are written in English. A. Three quarters B. Three quarter C. Thirds four D. Threes fourth 10 ( ) 1 Tom is in the row. A. a second B. the second C. two D. second ( ) 2 The girl wanted to sing song in English. A. the others B. a second C. other D. the second ( ) 3 Now let me have. A. the third try B. a third try C. third try D. this third try 参考答案: 参考答案:
  1. 1-2 C C
  2. 1-5 D A B A C
  3. 1-3 B D A
  4. 1- 2 C B
  5. 1-3 B A A
  6. 1-4 D C A D
  7. 1-5 B B B B C
  8. 1-3 D A B
  9. 1-3 B C A
  10. 1-5 B B B
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