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数词及练习

 qjl666666 2018-07-18

数词(The Numeral

数词是表示数目多少或顺序的词。它分为基数词(Cardinal Numerals)和序数词(Ordinal Numerals)。

基数词是表示数目多少的词。如:one, two, three等。

序数词是表示顺序的词。如:the first(第一), the second(第二), the third(第三)等。

基数词

基数词中最基本的是下表中的这些,所有的其他基数词都可以由这些基数词构成:

I

II

III

1         one

2         two

3         three

4         four

5         five

6         six

7         seven

8         eight

9         nine

10     ten

11  eleven

12  twelve

13        thirteen

14        fourteen

15        fifteen

18  eighteen

20        twenty

30        thirty

40        forty

50  fifty

100  a hundred

1,000  a thousand

1,000,000  a million

1,000,000,000

 a billion(美)

 a thousand million(英)

1,000,000,000,000

 a trillion(美)

 a billion(英)

(以上的a 可以用one 代替)

 

其他基数词可以以下面的方式构成:

113—19基数词,是在个位数上加后缀-teen构成的,且有两个重音;

    特别注意:13 thirteen /’θ∂:’ti:n/

15 fifteen /’fif’ti:n/

18 eighteen /’ei’ti:n/这三个数与其它数的不同。

2. 20—90的整数十位数都以ty结尾;

    特别注意:20 twenty /’twenti/

30 thirty /’θ∂:ti /

40 forty  /’fכ:ti/

50 fifty /’fifti/

80 eighteen /’eiti /这五个数与其它数的不同。

3.21—99之间各数词要在十位和个位之间加连字符号“-”;如:twenty-one,

forty-four,

ninety-eight

4.101—999先说“几百”,再加and,再加末两位数(或末位数);如:

  154 one hundred and fifty-four

  808 eight hundred and eight

5.1,000以上的数,从后向前数,每三位加一“,”,第一个“,”号前为thousand,第二个“,”前为million,第三个“,”前为billion……

  3,001 three thousand and one

  5,000 five thousand

  15,678 fifteen thousand, six hundred and seventy-eight

  123,456  aonehundred and twenty-three thousand, four hundred and fifty-six

  87,654,321 eighty-seven million, six hundred and fifty-four thousand, three hundred and twenty-one

  670,000,000 six hundred and seventy million

  5,000,000,000 five billion(美)

              five thousand million(英)

  1,000,000,000,000 aonetrillion(美)

                  aonebillion(英)

(注意:hundred, thousand, million等前面如果有具体数字,要用其单数形式,但是如果他们后面有of,则要用其复数形式,与此同时,其前面不能再加具体数字。如:

three thousand,

hundreds of, 数以百计的,成百上千的

thousands of, 数以千计的,成千上万的

millions of, 数百万的

thousands and thousands of成千上万的

基数词的基本用法:

1)  作定语:Two hundred students went to Beijing last month.

2)  作主语:The four helped the old Gramma last week.

           There are seven of us in all.

3)  作宾语:How many do you want? Ten, please.

           We have the population of over 1,000,000,000.

4)  作表语:One plus two is three.

5)  作同位语:This flowers are for us two.

6)  表示人的岁数:He began to learn English in his fifties.(指51—59岁)

7)  表示年代:a) 公元1999分两位来读(=nineteen ninety-nine;2000年,应读作two thousand

             b) 1990s 二十世纪九十年代

8)  表示时间:2:15应读作two fifteena quarter past two

3:20应读作three twentytwenty past three

4:30 应读作four thirtyhalf past four

5:45应读作five forty-fivea quarter to six

12:58应读作twelve fifty-eighttwo to two

9)  一些数学公式的读法:2+5=7 Two plus five is seven.

10-8=2 Ten minus eight is two.

4×5=20 Four times five is twenty.

8÷2=4 Eight divided by two is four.

序数词

基数词变为序数词从下表中可以略见一斑:

 

I

II

基数词

序数词

基数词

序数词

1         one

2         two

3         three

4         four

5         five

6         six

7         seven

8         eight

9         nine

10     ten

first

second

third

fourth

fifth

sixth

seventh

eighth

ninth

tenth

1st

2nd

3rd

4th

5th

6th

7th

8th

9th

10th

11  eleven

12  twelve

13  thirteen

16        fourteen

17        fifteen

18  eighteen

20  twenty

30  thirty

41        forty-one

59  fifty-nine

eleventh

twelfth

thirteenth

fourteenth

fifteenth

eighteenth

twentieth

thirtieth

forty-first

fifty-ninth

11th

12th

13th

14th

15th

18th

20th

30th

41st

59th

从上面的表格中我们可以看出:基数词变为序数词时,应注意以下三点:

1.                以下的基数词变为序数词时有其个别特点:One—first, two—second, three—third, five—fifth, eight—eighth, nine—ninth, twelve—twelfth

2.                -ty结尾的基数词,先把字母y变为字母i,再在其后加-eth。例如:twenty—twentieth, thirty—thirtieth, forty—fortieth

3.                若是几十几,前面为基数词后面为序数词,中间用连字符号连接。例如:ninety-firsteighty-second, seventy-third, sixty-fourth

基数词的基本用法:

1.       在句子中,序数词主要用作定语,序数词的前面要加上定冠词。例如:We’ll have the second class.

2.       序数词的前面可加上一个不定冠词来表示“再一,又一”之意。例如:He cast his net a second time.(他又一次撒了网。)

3.       在谈论编了号的事物时,我们既可以用基数词表达,又可以用序数词表达,但较长的数字应避免使用序数词。例如:

Lesson 9—the ninth lesson;

Class 6—the sixth class;

Part One—the first part;

Page 2345 (读作:page two three four five)

Room 405 (读作:room four oh five)

4.       小数的读法:

6.6 --- six point six

0.3 --- zero point three

0.005 --- zero point zero zero five

13.987 --- one three point nine eight seven

分数的表达方法:

分数是由基数词和序数词构成的,分子由基数词来担任,分母由序数词来担任,如果分子不是“1”,分母的序数词就要用复数形式。例如:

¼ one-fourth  ⅔  two-thirds ¾ three-fourths 

⅝ five-eighths  ⅞ seven-eighths

其中下列分数比较特殊:

½ one (a) half

¼ one (a) quarter

1½ one and a half

2¼ two and a quarter

比较复杂的分数读法如下:

23/19 twenty-three over nineteen

234/235 two hundred and thirty-four over two hundred and thirty-five

百分数是由基数词后面加上percent构成。

37% 读作 thirty-seven percent

Practise

1.       There are ___ minuts in an hour.

A. sixty  B. sixtieth  C. sixteen  D. six

2.       This road is ___ kilometres long.

A. three hundred and ninety two  B. three hundreds and ninety two

C. three hundred and ninety-two  D. three hundreds and ninety-two

3.       “How many teachers are there in your university?” “___.”

A. Two hundreds and forty-three  B. Two hundred and forty-third

C. Two hundreds and forty-third  D. Two hundred and forty-three

4.       There are ___ English books for us students in the school library.

A. four hundreds and five  B. four hundreds five

C. four hundred and five   D. four hundred five

5.       “456” must be read and written in English as ___.

A. four, five and six   B. four hundred and fifty six

C. four hundreds and fifty-six  D. four hundred and fifty-six

6.       There are ___ students in their school.

A. three hundreds and forty-five  B. three hundreds of forty-five

C. three hundred and forty-five   D. three hundreds and fourty-five

7.       We have learned ___ English words since last April.

A. two hundreds and forty-five  B. two hundred and forty five

C. two hundred forty-five      D. two hundred and forty-five

8.       May 23 reads ___.

A. May the twenty-third  B. the twenty-third May

C. May the twenty-three  D. the twenty-three of May

9.       By the end of 1993, the peasants had planted ___ trees in their village.

A. two hundreds of  B. hundred of

C. two hundreds    D. hundreds of

10.   If you go out at night, you’ll be able to see ___ stars.

A. thousand of  B. thousands of

C. thousand    D. thousands

11.   The number of the students in that school ___ less than eight ___.

A. is; hundreds  B. are; hundreds

C. is; hundred   D. are; hundred

12.   ___ is Teachers’ Day in China.

A. Tenth September  B. September the tenth

C. The of September  D. The september tenth

13.   Her daughter was born ___.

A. on May 8, on 1986  B. on May 8, 1986

C. in May 8, in 1986   D. in May 8, 1986

14.   I am in ___.

A. Grade 1, Class 3  B. Class 3, Grade 1

C. 3 Class, 1 Grade  D. Class 3 Grade 1

15.   When he was ___, he went to the United States and became a worker.

A. in his twenties  B. over twenties  C. in the twenties  D. in twenties

16.   ___ children watched the monkey playing with each other in the zoo.

A. About two hundreds  B. Hundreds of 

C. About two hundred of  D. Hundred of

17.   There are nearly two ___ students in our school now.

A. thousands  B. thousands of  C. thousand  D. thousand of

18.   It’s ___ from my home to the cinema.

A. ten minutes’ walk  B. ten minutes’ walks

C. ten minute’s walk  D. ten minutes walk

19.   Now computers can work ___ times faster.

A. a million of  B. millions of  C. million  D. millions

20.   There are about ___ soldiers on the playground.

A. two hundreds of  B. two hundred  C. two hundreds  D. two hundred of

21.   Tom lives on ___ floor. He doesn’t have a lift to go up and down.

A. nine  B. the ninth  C. ninth  D. a ninth

22.   4509 is read as ___.

A.      four thousand and five hundred nine  

B.      four thousand, five hundred and nine

C.      four thousand, five hundred nine

D.     four thousands and five hundred and nine

23.   When Christ was born nearly two ___ years ago, people gave him presents.

A. thousands  B. thousand  C. thousands of  D. thousand of

24.   There are ___ days in a week and Monday is ___ day of the week.

A. seven; two  B. seven; second 

C. seven; the second  D. seventh; the second

25.   We’re going to study ___ today.

A. Five Unit  B. Unit Five  C. Unit Fifth  D. Unit the Fifth

26.   Mary spent ___ dallars on the coat.

A. four hundred sixty eight  B. four hundred sixty-eight

C. four hundred and sixty eight  D. four hundred and sixty-eight

27.   About ___ people joined the fight.

A. one thousand one hundred  B. one thousand and one hundred

C. a thousand a hundred   D. a thousand and a hundred

28.   ___ trees are planted on the hill.

A. Thousand  B. Thousands  C. Thousand of  D. Thousands of

29.   ___ class begins at eight in the morning.

A. One  B. The one  C. First  D. The first

30.   They usually have supper at ___ in the evening.

A. twenty to eight  B. twenty-eight  C. twenty eight  D. eight- twenty

31.   Mike and Bill are both in ___.

A. 3 Grades  B. 3 Grade  C. grade 3  D. Grade 3

32.   Your seat is in ___.

A. Row nine  B. the nine row  C. the ninth row  D. the nineth row

33.   There’re ___ students in our school.

A.      one thousand, seven hundred and fifty-four

B.      one thousand and seven hundred and fifty-four

C.      one thousand ,seven hundred fifty-four

D.     one thousand , seven hundred and fifty four

34.   The accident happened on ___.

A. five day of May  B. the five day of May

C. five days of May  D. the fifth of May

35.   It took him ___ hours to finish the work.

A. one and a half  B. one and half  C. half past one  D. a half and one

36.   We’re going to learn ___ today.

A. Eleventh Lesson  B. Lesson Eleventh 

C. Lesson Eleven    D. the Lesson Eleven

37.   The girl won the ___ race.

A. 100-metres  B. 100-metre  C. 100 metres  D. 100 metre

38.   Jo will take ___ in the village.

A. four day holidays  B. four day holiday

C. four days’ holiday  D. four day’s holidays数词(The Numeral

数词是表示数目多少或顺序的词。它分为基数词(Cardinal Numerals)和序数词(Ordinal Numerals)。

基数词是表示数目多少的词。如:one, two, three等。

序数词是表示顺序的词。如:the first(第一), the second(第二), the third(第三)等。

基数词

基数词中最基本的是下表中的这些,所有的其他基数词都可以由这些基数词构成:

I

II

III

1         one

2         two

3         three

4         four

5         five

6         six

7         seven

8         eight

9         nine

10     ten

11  eleven

12  twelve

13        thirteen

14        fourteen

15        fifteen

18  eighteen

20        twenty

30        thirty

40        forty

50  fifty

100  a hundred

1,000  a thousand

1,000,000  a million

1,000,000,000

 a billion(美)

 a thousand million(英)

1,000,000,000,000

 a trillion(美)

 a billion(英)

(以上的a 可以用one 代替)

 

其他基数词可以以下面的方式构成:

113—19基数词,是在个位数上加后缀-teen构成的,且有两个重音;

    特别注意:13 thirteen /’θ∂:’ti:n/

15 fifteen /’fif’ti:n/

18 eighteen /’ei’ti:n/这三个数与其它数的不同。

2. 20—90的整数十位数都以ty结尾;

    特别注意:20 twenty /’twenti/

30 thirty /’θ∂:ti /

40 forty  /’fכ:ti/

50 fifty /’fifti/

80 eighteen /’eiti /这五个数与其它数的不同。

3.21—99之间各数词要在十位和个位之间加连字符号“-”;如:twenty-one,

forty-four,

ninety-eight

4.101—999先说“几百”,再加and,再加末两位数(或末位数);如:

  154 one hundred and fifty-four

  808 eight hundred and eight

5.1,000以上的数,从后向前数,每三位加一“,”,第一个“,”号前为thousand,第二个“,”前为million,第三个“,”前为billion……

  3,001 three thousand and one

  5,000 five thousand

  15,678 fifteen thousand, six hundred and seventy-eight

  123,456  aonehundred and twenty-three thousand, four hundred and fifty-six

  87,654,321 eighty-seven million, six hundred and fifty-four thousand, three hundred and twenty-one

  670,000,000 six hundred and seventy million

  5,000,000,000 five billion(美)

              five thousand million(英)

  1,000,000,000,000 aonetrillion(美)

                  aonebillion(英)

(注意:hundred, thousand, million等前面如果有具体数字,要用其单数形式,但是如果他们后面有of,则要用其复数形式,与此同时,其前面不能再加具体数字。如:

three thousand,

hundreds of, 数以百计的,成百上千的

thousands of, 数以千计的,成千上万的

millions of, 数百万的

thousands and thousands of成千上万的

基数词的基本用法:

1)  作定语:Two hundred students went to Beijing last month.

2)  作主语:The four helped the old Gramma last week.

           There are seven of us in all.

3)  作宾语:How many do you want? Ten, please.

           We have the population of over 1,000,000,000.

4)  作表语:One plus two is three.

5)  作同位语:This flowers are for us two.

6)  表示人的岁数:He began to learn English in his fifties.(指51—59岁)

7)  表示年代:a) 公元1999分两位来读(=nineteen ninety-nine;2000年,应读作two thousand

             b) 1990s 二十世纪九十年代

8)  表示时间:2:15应读作two fifteena quarter past two

3:20应读作three twentytwenty past three

4:30 应读作four thirtyhalf past four

5:45应读作five forty-fivea quarter to six

12:58应读作twelve fifty-eighttwo to two

9)  一些数学公式的读法:2+5=7 Two plus five is seven.

10-8=2 Ten minus eight is two.

4×5=20 Four times five is twenty.

8÷2=4 Eight divided by two is four.

序数词

基数词变为序数词从下表中可以略见一斑:

 

I

II

基数词

序数词

基数词

序数词

1         one

2         two

3         three

4         four

5         five

6         six

7         seven

8         eight

9         nine

10     ten

first

second

third

fourth

fifth

sixth

seventh

eighth

ninth

tenth

1st

2nd

3rd

4th

5th

6th

7th

8th

9th

10th

11  eleven

12  twelve

13  thirteen

16        fourteen

17        fifteen

18  eighteen

20  twenty

30  thirty

41        forty-one

59  fifty-nine

eleventh

twelfth

thirteenth

fourteenth

fifteenth

eighteenth

twentieth

thirtieth

forty-first

fifty-ninth

11th

12th

13th

14th

15th

18th

20th

30th

41st

59th

从上面的表格中我们可以看出:基数词变为序数词时,应注意以下三点:

1.                以下的基数词变为序数词时有其个别特点:One—first, two—second, three—third, five—fifth, eight—eighth, nine—ninth, twelve—twelfth

2.                -ty结尾的基数词,先把字母y变为字母i,再在其后加-eth。例如:twenty—twentieth, thirty—thirtieth, forty—fortieth

3.                若是几十几,前面为基数词后面为序数词,中间用连字符号连接。例如:ninety-firsteighty-second, seventy-third, sixty-fourth

基数词的基本用法:

1.       在句子中,序数词主要用作定语,序数词的前面要加上定冠词。例如:We’ll have the second class.

2.       序数词的前面可加上一个不定冠词来表示“再一,又一”之意。例如:He cast his net a second time.(他又一次撒了网。)

3.       在谈论编了号的事物时,我们既可以用基数词表达,又可以用序数词表达,但较长的数字应避免使用序数词。例如:

Lesson 9—the ninth lesson;

Class 6—the sixth class;

Part One—the first part;

Page 2345 (读作:page two three four five)

Room 405 (读作:room four oh five)

4.       小数的读法:

6.6 --- six point six

0.3 --- zero point three

0.005 --- zero point zero zero five

13.987 --- one three point nine eight seven

分数的表达方法:

分数是由基数词和序数词构成的,分子由基数词来担任,分母由序数词来担任,如果分子不是“1”,分母的序数词就要用复数形式。例如:

¼ one-fourth  ⅔  two-thirds ¾ three-fourths 

⅝ five-eighths  ⅞ seven-eighths

其中下列分数比较特殊:

½ one (a) half

¼ one (a) quarter

1½ one and a half

2¼ two and a quarter

比较复杂的分数读法如下:

23/19 twenty-three over nineteen

234/235 two hundred and thirty-four over two hundred and thirty-five

百分数是由基数词后面加上percent构成。

37% 读作 thirty-seven percent

Practise

1.       There are ___ minuts in an hour.

A. sixty  B. sixtieth  C. sixteen  D. six

2.       This road is ___ kilometres long.

A. three hundred and ninety two  B. three hundreds and ninety two

C. three hundred and ninety-two  D. three hundreds and ninety-two

3.       “How many teachers are there in your university?” “___.”

A. Two hundreds and forty-three  B. Two hundred and forty-third

C. Two hundreds and forty-third  D. Two hundred and forty-three

4.       There are ___ English books for us students in the school library.

A. four hundreds and five  B. four hundreds five

C. four hundred and five   D. four hundred five

5.       “456” must be read and written in English as ___.

A. four, five and six   B. four hundred and fifty six

C. four hundreds and fifty-six  D. four hundred and fifty-six

6.       There are ___ students in their school.

A. three hundreds and forty-five  B. three hundreds of forty-five

C. three hundred and forty-five   D. three hundreds and fourty-five

7.       We have learned ___ English words since last April.

A. two hundreds and forty-five  B. two hundred and forty five

C. two hundred forty-five      D. two hundred and forty-five

8.       May 23 reads ___.

A. May the twenty-third  B. the twenty-third May

C. May the twenty-three  D. the twenty-three of May

9.       By the end of 1993, the peasants had planted ___ trees in their village.

A. two hundreds of  B. hundred of

C. two hundreds    D. hundreds of

10.   If you go out at night, you’ll be able to see ___ stars.

A. thousand of  B. thousands of

C. thousand    D. thousands

11.   The number of the students in that school ___ less than eight ___.

A. is; hundreds  B. are; hundreds

C. is; hundred   D. are; hundred

12.   ___ is Teachers’ Day in China.

A. Tenth September  B. September the tenth

C. The of September  D. The september tenth

13.   Her daughter was born ___.

A. on May 8, on 1986  B. on May 8, 1986

C. in May 8, in 1986   D. in May 8, 1986

14.   I am in ___.

A. Grade 1, Class 3  B. Class 3, Grade 1

C. 3 Class, 1 Grade  D. Class 3 Grade 1

15.   When he was ___, he went to the United States and became a worker.

A. in his twenties  B. over twenties  C. in the twenties  D. in twenties

16.   ___ children watched the monkey playing with each other in the zoo.

A. About two hundreds  B. Hundreds of 

C. About two hundred of  D. Hundred of

17.   There are nearly two ___ students in our school now.

A. thousands  B. thousands of  C. thousand  D. thousand of

18.   It’s ___ from my home to the cinema.

A. ten minutes’ walk  B. ten minutes’ walks

C. ten minute’s walk  D. ten minutes walk

19.   Now computers can work ___ times faster.

A. a million of  B. millions of  C. million  D. millions

20.   There are about ___ soldiers on the playground.

A. two hundreds of  B. two hundred  C. two hundreds  D. two hundred of

21.   Tom lives on ___ floor. He doesn’t have a lift to go up and down.

A. nine  B. the ninth  C. ninth  D. a ninth

22.   4509 is read as ___.

A.      four thousand and five hundred nine  

B.      four thousand, five hundred and nine

C.      four thousand, five hundred nine

D.     four thousands and five hundred and nine

23.   When Christ was born nearly two ___ years ago, people gave him presents.

A. thousands  B. thousand  C. thousands of  D. thousand of

24.   There are ___ days in a week and Monday is ___ day of the week.

A. seven; two  B. seven; second 

C. seven; the second  D. seventh; the second

25.   We’re going to study ___ today.

A. Five Unit  B. Unit Five  C. Unit Fifth  D. Unit the Fifth

26.   Mary spent ___ dallars on the coat.

A. four hundred sixty eight  B. four hundred sixty-eight

C. four hundred and sixty eight  D. four hundred and sixty-eight

27.   About ___ people joined the fight.

A. one thousand one hundred  B. one thousand and one hundred

C. a thousand a hundred   D. a thousand and a hundred

28.   ___ trees are planted on the hill.

A. Thousand  B. Thousands  C. Thousand of  D. Thousands of

29.   ___ class begins at eight in the morning.

A. One  B. The one  C. First  D. The first

30.   They usually have supper at ___ in the evening.

A. twenty to eight  B. twenty-eight  C. twenty eight  D. eight- twenty

31.   Mike and Bill are both in ___.

A. 3 Grades  B. 3 Grade  C. grade 3  D. Grade 3

32.   Your seat is in ___.

A. Row nine  B. the nine row  C. the ninth row  D. the nineth row

33.   There’re ___ students in our school.

A.      one thousand, seven hundred and fifty-four

B.      one thousand and seven hundred and fifty-four

C.      one thousand ,seven hundred fifty-four

D.     one thousand , seven hundred and fifty four

34.   The accident happened on ___.

A. five day of May  B. the five day of May

C. five days of May  D. the fifth of May

35.   It took him ___ hours to finish the work.

A. one and a half  B. one and half  C. half past one  D. a half and one

36.   We’re going to learn ___ today.

A. Eleventh Lesson  B. Lesson Eleventh 

C. Lesson Eleven    D. the Lesson Eleven

37.   The girl won the ___ race.

A. 100-metres  B. 100-metre  C. 100 metres  D. 100 metre

38.   Jo will take ___ in the village.

A. four day holidays  B. four day holiday

C. four days’ holiday  D. four day’s holidays

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