英语

大专士兵考军校-英语数词解析(二)

中公军转干考试网 2017-03-07

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  中公教育军考考试网讯:大专士兵考军校英语科目占100分,学好语文的关键在于日积月累。中公教育军考考试网定期更新大学语文知识点汇总,供各位考生学习参考。

  序数词:表示顺序的数词叫序数词。

  1、 英语的序数词基本变法:

  (1) 一般在基数词后加th,(2)-ve结尾的改为-fth,(3)-ty结尾的改为-tieth,(4)熟记特殊词。

  2、序数词如下:

1st
2nd
3rd
4th
5th
6th
7th
8th
9th
10th
11th
12th

※first
※second
※third
fourth
fifth
sixth
seventh
eighth
ninth
tenth
eleventh
twelfth

 

13th
14th
15th
16th
17th
18th
19th

 

thirteenth
fourteenth
fifteenth
sixteenth
seventeenth
eighteenth
nineteenth

 

 

20th
30th
40th
50th
60th
70th
80th
90th
100th

 

twentieth
thirtieth
fortieth
fiftieth
sixtieth
seventieth
eightieth
ninetieth
one hundredth

21st
22nd
23rd

35th

 

 

101st

twenty-first
twenty-second
twenty-third

thirty-fifth

 

 

one hundred and first

 

  1000th→one thousandth, 1000000th →one millionth., 第703→the seven hundred and third,

  第5480→the five thousand four hundred and eightieth.

  3、注:(1)两位以上的序数词仅个位数部分用序数词,其余部分仍用基数词。如:thirty-sixth,

  (2) 使用序数词时一般加定冠词the. 如:I’m in the third grade.

  (3) 序数词作“几分之几”讲时,有复数形式。如:1/5→one fifth ; 2/3→ two thirds ; 4/7→ four sevenths ; 1/2→ a half ; 1/4→a quarter ; 3/4→ three quarters ; 50%→ fifty hundredths ( fifty per cent).

  4、数词的用法:

  1、表示年份:2002: twenty thousand and two ; 1976 : nineteen seventy-six.

  2、表示日期: 12月1日: Dec.1st或the first of December;2002年11月8日: Nov. 8th, 2002.

  3、表示时刻: 5:15→ five fifteen或a quarter past five ; 8:30→ eight thirty或half past eight ; 10:45→ ten forty-five或a quarter to eleven.

  4、表示编号:Room 105→Room one 0 five; Bus No.13→Bus Number Thirteen; P.5→Page Five; Tel.No.7658659→Telephone Number seven-six-five-eight-six-five-nine

  5、小数的读法:5.7→ five point seven, 0.16 →zero point one six.

  6、“半”的表达: 1/2→half, 半小时→half an hour, 1.5小时→one and a half hours或one hour and a half.

  7、序数词前面加the时,表示顺序,加a/an时表示“再一、又一”。如:The third lesson is rather difficult.(第三课相当难)/ Shall we read the text a third time?(我们把课文读第三遍,好吗?)

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