2018中考精品英语专题—数词

几点差几分: 分钟数﹥30 时,用“到下一个时钟所 差的分钟数+to+下一个时钟数”。
7:35twenty-five to eight 11:40twenty to twelve 8:50ten to nine
— It’s already 7:40 now. When will the film start? —___. We still have five minutes. A. A quarter to seven C B. Seven past forty-five C. A quarter to eight
反序法: 先说分钟数, 后说时钟数。
几点过几分: 分钟数≤30分钟时,用“分钟数 +past+时钟数”；
6:05five past six 8:15a quarter past eight 9:25twenty-five past nine 7:30half past seven
6:20 / 7:25 / 8:15 / 9:10
1. — If a = 3, b=4, what’s the answer to the problem, a+2ab+1=? C — The answer is ___. A. twenty eight B. twenty-eighth C. twenty-eight 2. In our school several __ students are able to search the Internet. B A. hundred of B. hundreds of C. hundreds
one fifth two sevenths
a fourth / one fourth / a quarter / one quarter
1 a second / a half 2
About _______ of the workers in the factory were born in the _______. A. two-thirds; 1970 B B. two-thirds; 1970s C. two-third; 1970 D. two-third; 1970s
Two days isn’t enough for me to finish the work. I need ____ day. (宁波市鄞yin州) A A. a third B. the third C. the other D. other
In order to make it clear, I must go up to _______ second floor and ask him _______ second time.
When Mr Liu was ____, he became a famous professor. A. on his forties B. in the forties D C. in the forty D. in his forties My father began to learn Russian when he was over fifty. My father began to learn Russian ____ in his ______. fifties _____
注: 序数词前通常要加定冠词 the。
The Second World War broke out in 1939.
注: 序数词前出现不定冠词a或an时, 则表示“再—”, “又—”。(=another) We’ll go over it a second time. We’ve tried it three times. Must we try it a fourth time?
“in one’s + 整十位基数词的复数”是一种习 惯表达法, 用以表示约略年龄, 意为“在某人 几十几岁的时候”。使用该结构时, 必须注 意①数词用复数形式, ②其前是形容词性物 主代词, ③最前面是介词in。 in one’s forties在某人四十多岁时 My mother is in her fifties.
(2)13-19均以后缀-teen结尾。
13 thirteen 14 fourteen 15 fifteen 16 sixteen 17seventeen 18 eighteen 19 nineteen
(3)20-90的整十数词均以后缀-ty结 尾。
20 twenty 50 fifty 80 eighty 30 thirty 40 forty 60 sixty 70 seventy 90 ninety
hundreds thousands millions
表示 +of 概数
a few后常接 hundred; many后常接hundreds of; several后常接hundred或 hundreds of。 a few hundred men几百人 many hundreds of men几百人
二、时刻表示法 时刻通常用基数词来读 顺序法:先说时钟数, 后说分钟数。 8:45(=eight forty-five) 10:05(=ten five)
6:30= six thirty 10:25 = ten twenty-five 14:05 = fourteen o five 16:15 = sixteen fifteen 18:30 = eighteen thirty 23:55 = twenty-three fifty-five 注意:表示“整点”时,在基数词 后加o’clock: 9 o’clock
A
A. the; a C. a; the
B. the; the D. a; a
数词的表示法 — 分数
分数的表示法:
基数词
序数词
分子用基数词,分母用序数词。分 子大于1时,分母用复数(+s)。
1 5 2 7 1 4
3 4
分子 基数词 分母 序数词 分子 ﹥ 1 分母 + s 分子 a 分母 quarter three fourths three quarters
表示具体、准确的数目时, hundred, thousand, million等词 后不能加-s,如: five hundred, six thousand, seven million 等。
hundred 表示 基数词+ thousand 具体 million 数字
当hundred, thousand等数词与of 连用, 表示不具体、不准确的数目 时, 词尾须加-s。如: thousands of students, millions of trees.
三、年代用 “the+基数词表示的世纪+
十位整数的复数形式表示的年代”构成。
在二十世纪三十年代
in the 1930s (in the nineteen thirties)
在十九世纪六十年代
in the 1860s (in the eighteen sixties)
1. There will be more chances in __ century than in __ century. A. twenty-one, twenty C B. twenty-first, twentieth C. the twenty-first, the twentieth 2. The city changed a lot ___. B A. in 1980s B. in the 1980s C. in the 1980
(2)从第二十至第九十以-ty 结尾 的表示“几十”的基数词(十位整 数的序数词) ,先变y为ie,再加“th”构成。 twentytwentieth; thirtythirtieth forty fifty si”时，十位数 的“几十”仍用基数词，只把处 位部分变成序数词。 thirty-onethirty-first 第31 forty-twoforty-second; fifty-sixth; seventy-third; ninety-ninth
(1).序数词除了first (第一)、second (第二)、third (第三) 特殊外,其余的 都是在基数词上加词尾-th构成。 注 意fifth, eighth, ninth, twelfth这几 个词。
three 基数词 one two 序数词 first second third 基数词 five eight 序数词 fifth eighth nine twelve ninth twelfth
表示“几十几”时, 个位和十位之 间需加连词符, 如: twenty-one, thirty-two, forty-three.
(4)三位数数词:
百位和十位(若无十位则和个位) 之间用and连接,十位和个位间用 “-” 连接。 156 one hundred and fifty-six; 810 eight hundred and ten 204 two hundred and four;
序数词
11 = eleven 12 = twelve 13 = thirteen 14 = fourteen 15 = fifteen 16 = sixteen 17 = seventeen 18 = eighteen 19 = nineteen 20 = twenty 21 = twenty-one 22 = twenty-two 11th = eleventh 12th = twelfth 13th = thirteenth 14th =fourteenth 15th = fifteenth 16th =sixteenth 17th = seventeenth 18th =eighteenth 19th =nineteenth 20th = twentieth 21st = twenty-first 22nd = twenty-second