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数词及练习
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
1 one
2 two
3 three
4 four
5 five
6 six
7 seven
8 eight
9 nine
10 ten
II
11 eleven
12 twelve
13 thirteen
14 fourteen
15 fifteen
18 eighteen
20 twenty
30 thirty
40 forty
50 fifty
III
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：
1．13—19的基数词，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 a（one）hundred 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 a（one）trillion（美）
a（one）billion（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 fifteen或a quarter past two
3:20应读作three twenty或twenty past three
4:30 应读作four thirty或half past four
5:45应读作five forty-five或a quarter to six
12:58应读作twelve fifty-eight或two 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
基数词
1 one
序数词 基数词
first 1st 11 eleven
II
序数词
eleventh 11th 2 two
3 three
4 four
5 five
6 six
7 seven
8 eight
9 nine
10 ten
second
third
fourth
fifth
sixth
seventh
eighth
ninth
tenth
2nd3rd
4th
5th
6th
7th
8th
9th
10th
12 twelve
13 thirteen
16 fourteen
17 fifteen
18 eighteen
20 twenty
30 thirty
41 forty-one
59 fifty-nine
twelfth
thirteenth
fourteenth
fifteenth
eighteenth
twentieth
thirtieth
forty-first
fifty-ninth
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． 以-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-first，eighty-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
1 one
2 two
3 three
4 four
5 five
6 six
7 seven
8 eight
9 nine
10 ten
II
11 eleven
12 twelve
13 thirteen
14 fourteen
15 fifteen
18 eighteen
20 twenty
30 thirty
40 forty
50 fifty
III
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：
1．13—19的基数词，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 a（one）hundred 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 a（one）trillion（美）
a（one）billion（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 fifteen或a quarter past two
3:20应读作three twenty或twenty past three
4:30 应读作four thirty或half past four
5:45应读作five forty-five或a quarter to six
12:58应读作twelve fifty-eight或two 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
基数词
1 one
2 two
3 three
4 four
5 five
6 six
7 seven
8 eight
9 nine
序数词
first 1st
second
2nd
3rdthird
4thfourth
5thfifth
6thsixth
seventh
7th
eighth
8th
ninth
9th
II
基数词
11 eleven
12 twelve
13 thirteen
16 fourteen
17 fifteen
18 eighteen
20 twenty
30 thirty
41 forty-序数词
eleventh 11th
twelfth 12th
thirteenth 13th
fourteenth 14th
fifteenth 15th
eighteenth 18th
twentieth 20th
thirtieth 30th
forty-first 41st 10 ten tenth
10th one
59 fifty-nine
fifty-ninth 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． 以-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-first，eighty-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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