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Unit1 Home 核心语法专题练习-2024-2025学年译林版英语七年级下册
一、数词基本分类
1.基数词：表示数目多少，如 one, five, ten, thirty 等。
2.序数词：表示顺序先后，如 first, sixth, tenth 等。
二、基数词的构成与用法
1.构成规则：
1-20：1-12 为独立单词（如 one, two）；13-19 以 -teen 结尾（如 fourteen）；整十以 -ty 结尾（如 twenty）。
多位数字：两位数为 “整数 + 个位”（如 twenty-one）；三位数 “百位 + and + 后两位”（如 one hundred and twenty）；四位以上按千（thousand）、百万（million）分级。
单位用法：hundred, thousand 等表具体数目时用单数（如 two hundred）；表泛指用复数（如 thousands of）。
2.读法规则：
120,206 读作：One hundred and twenty thousand, two hundred and six。
三、序数词的构成与用法
1.构成规则：
口诀：“一二三，特殊记，八去 t，九去 e，f 要将 ve 替，几十几只变个位，y 变 ie 再加 th”。
例：1st（first），2nd（second），5th（fifth），21st（twenty-first）。
2.用法：表顺序，前常加定冠词 the（如 the third day）。
配套练习题
一、基数词与序数词转换
写出下列数字的基数词和序数词：
4 ______, ______　6 ______, ______　10 ______, ______　
12 ______, ______15 ______, ______　1 ______, ______　
2 ______, ______　3 ______, ______8 ______, ______　
9 ______, ______　31 ______, ______　72 ______, ______
40 ______, ______　90 ______, ______　20 ______, ______
二、单项选择
（ ）1.Every year, ______ people come to the city to watch the flower show.
A. Two thousands B. Thousand of C. Thousands of D. Two thousand of
（ ）2.______ visitors want to enter the museum, but there are only ______ tickets left.
Thousand of; eight thousands B. Thousands of; eight thousand
C. Thousands of; eight thousands D. Thousand of; eight thousand
（ ）3.______ Chinese athletes joined the international sports event this year. ______ people watched it on TV.
Five hundred; Thousand of B. Five hundreds; Thousands of
C. Five hundred; Thousands of D. Five hundreds; Thousand of
（ ）4.Which number is two hundred and thirty thousand five hundred and six
A. 203,506 B. 230,506 C. 235,006 D. 230,605
（ ）5.In the park, ______ people take a walk and enjoy nature every weekend.
A. thousand B. thousands C. two thousand of D. thousands of
（ ）6.On Tree Planting Day, students in our school plant ______ trees.
A. hundred B. hundred of C. hundreds D. hundreds of
（ ）7.In this cooking guide, you can find over ______ ways to make pasta.
A. two hundred B. two hundreds C. two hundred of D. two hundreds of
（ ）8.How do you read 25,862
Twenty-five thousands eight hundred and sixty-two.
Twenty-five thousand eight hundreds and sixty-two.
Twenty-five thousand eight hundred and sixty-two.
D. Twenty-five thousand and eight hundred and sixty-two.
（ ）9.—What class is she in —She’s in ______.
Class three, Grade seven B. Grade Seven, Class Three
C. Class Three, Grade Seven D. class three, grade seven
（ ）10.The bridge is ______.
A. 200 meter long B. 200-meter-long C. 200 meters’ long D. 200 meters long
（ ）11.About ______ people live in this ancient town.
A. 3 millions B. 3 million of C. 3 millions of D. 3 million
（ ）12.—How do you read 112,456 —______.
One hundred twelve thousand and four hundred fifty-six.
One hundred and twelve thousand four hundred and fifty-six.
One hundred twelve thousand four hundred and fifty-six.
D. One hundred and twelve thousand and four hundred fifty-six.
（ ）13.There are ______ books in the school library.
three thousand and two hundred and seventy-eight
three thousand two hundred and seventy-eight
three thousands and two hundred and seventy-eight
D. three thousands two hundred and seventy-eight
（ ）14.We read 180,209 like this: ______.
one hundred and eighty two hundred and nine
one hundred and eighty thousands two hundred and nine
one hundred and eighty thousand two hundred and nine
D. one hundred eighty thousand two hundred and nine
（ ）15.—What should we do next, Miss Green —Please turn to Page ______ and look at the ______ picture.
A. Fifty; ninth B. Fifty; nine C. Fiftieth; nine D. Fiftieth; ninth
（ ）16.Please turn to page ______ and check the information on it.
A. the ninetieth B. ninetieth C. ninety D. nineties
（ ）17.—How do we say the number 320,408 —______.
Three hundred and twenty thousand, four hundred and eight
Three hundred and twenty thousands and four hundred and eight
Three hundred and twenty thousand and four hundred and eight
D. Three hundred twenty thousand, four hundred eight
（ ）18.Now, children, turn to Page ______ and look at the ______ image.
A. Thirtieth; one B. Thirty; one C. Thirtieth; first D. Thirty; first
（ ）19.They planted ______ trees in the mountain last spring.
A. hundreds of B. hundred of C. six hundreds D. six hundred of
三、单词拼写
1.Our school library is on the ______ (three) floor of the building.
2.Grain in Ear (芒种), the ______ (six) solar term (节气), usually comes in June.
3.To celebrate their grandma’s ______ (eighty) birthday, the family prepared a big party.
4.We can watch the wonderful ______ (thirty-two) Olympics on TV next year.
5.Twenty people are waiting in front of me. I’m the ______ (twenty-one).
6.This is my ______ (two) time to visit the Great Wall. It’s really amazing.
7.He will celebrate his grandpa’s one ______ (hundred) birthday next month.
8.She plans to take ______ (twelve) months to finish this project.
9.There are ______ (four) people in my family: my parents, my sister and me.
10.The ______ (nine) month of a year is September.
参考答案
基数词与序数词转换
1. four, fourth　2. six, sixth　3. ten, tenth　4. twelve, twelfth　5. fifteen, fifteenth　6. one, first　7. two, second　8. three, third　9. eight, eighth　10. nine, ninth　11. thirty-one, thirty-first　12. seventy-two, seventy-second　13. forty, fortieth　14. ninety, ninetieth　15. twenty, twentieth
单项选择
1. C　2. B　3. C　4. B　5. D　6. D　7. A　8. C　9. C　10. D　11. D　12. B　13. B　14. C　15. A　16. C　17. A　18. D　19. A
三、单词拼写
1. third　2. sixth　3. eightieth　4. thirty-second　5. twenty-first　6. second　7. hundredth　8. twelve　9. four　10. ninth
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