2022-2023 英语外研版新中考精讲精练 考点04数词
展开考点04数词
考点总结
考点01:基数词的构成
(1)0—12单独记。如: zero, one, two, three等。
(2)13—19的词尾都是teen。如:fourteen, seventeen等,但13—thirteen,15—fifteen,18—eighteen需要特殊记。
(3)20以上的整十的基数词均以ty结尾。
20—twenty,30—thirty,40—forty,50—fifty,80—eighty等。
(4)"几十几"要加连字符号"-"。
48—forty-eight, 97—ninety-seven等。
(5)"几百几十"或者"几百几十几"在"百"后加and。
156—one hundred and fifty-six, 509—five hundred and nine。
(6)四位数或者四位数以上的基数词的拼写规律:用逗号从右往左每三位加一个逗号,第一个逗号读作thousand(千),第二个逗号读作million(百万),第三个逗号读作billion(十亿),hundred后莫忘"and"。
考点02:序数词的构成
first 1st second 2nd third 3rd fourth 4th fifth 5th sixth 6th seventh 7th eighth 8th ninth 9th tenth 10th | eleventh 11th twelfth 12th thirteenth 13th fourteenth 14th fifteenth 15th sixteenth 16th seventeenth 17th eighteenth 18th nineteenth 19th twentieth 20th | twenty-first 21st twenty-second 22nd thirtieth 30th fortieth 40th fiftieth 50th sixtieth 60th seventieth 70th eightieth 80th ninetieth 90th hundredth 100th one hundred and first 101st |
(1)"第一"、"第二"、"第三"分别是first, second, third。
(2)"第四"到"第十九"除了fifth, eighth, ninth, twelfth是特殊的拼写外,其余的都在相应基数词后面加
"th"构成。如:fourth。
(3)20以上的整十的序数词由相应的基数词变y为i,再加"-eth"。如:thirty→thirtieth; fifty→fiftieth。
(4)第一百hundredth; 第一千thousandth; 第一百万millionth。
(5)20以上的非整十的基数词变序数词时,只变化个位数。如:twenty-one→twenty-first; one hundred and one→one hundred and first。
考点03:分数的表达法
分数是由基数词作分子,序数词作分母构成的。除了分子是"1"的情况外,序数词都要用复数。
►1/3 one third 7/9 seven ninths
【注意】一些特殊的分数表达法:
►a half 二分之一 a quarter =one fourth 四分之一 three quarters=three fourth 四分之三
考点04:数词和主谓一致
- 就近一致原则。2. 意义一致原则。3. 语法一致原则。
真题演练
一.选择题(共10小题)
1.(2021•滨州)—China is a great country with a history of about five ________ years.
— Yes.And ___________ of foreigners come to visit it every year.
A.thousand;thousand B.thousands;thousands
C.thousand;thousands D.thousands;thousand
2.(2021•东营模拟)About ______ of the students are from foreign countries.( )
A.three four B.three fourth
C.third fourth D.three fourths
3.(2020•遂宁)They worked for days, and finished the task successfully.( )
A.twelve; two B.twelve; second
C.twelfth; two D.twelfth; second
4.(2021•泰安模拟)More than two ________ students in this university were chosen as volunteers.( )
A.thousand B.thousands
C.thousand of D.thousands of
5.(2021•济南模拟)﹣﹣﹣Which month of the year do you like best?
﹣﹣﹣April,the________month. Because I was born in April.( )
A.four B.five C.fourth D.fifth
6.(2021•济南模拟)﹣ How far is it from your home to the library?
﹣ About kilometers.( )
A.one B.first C.three D.third
7.(2020•滨州)﹣ I like the number "9" best,because I think it stands for" long lasting".
﹣ Me,too.So I choose floor to live on.( )
A.nine B.ninth C.the nine D.the ninth
8.(2020•广东模拟)﹣It is reported that only 40% of teenagers in China sleep for more than eight hours a day.
﹣Too terrible. It means about ______ of teenagers do not get enough sleep.( )
A.three fifth B.three fifths
C.five thirds D.two fifths
9.(2020•历城区二模)There are fourteen stories in this book. Let's read the ________one.( )
A.twelve B.twelfth C.sixteen D.sixteenth
10.(2020•广东模拟)_____ of the students in our class _____ girls.( )
A.Three fives,is B.Three fifths,is
C.Three fifth,are D.Three fifths,are
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