2022年中考英语二轮专题复习--数词课件13张

(共13张PPT)
九年级总复习
数 词
数 词
基数词 序数词
1 one first 1st
2 two second 2nd
3 three third 3rd
4 four fourth 4th
5 five fifth 5th
6 six sixth 6th
7 seven seventh 7th
8 eight eighth 8th
9 nine ninth 9th
10 ten tenth 10th
11 eleven eleventh 11th
12 twelve twelfth 12th
数 词
基数词 序数词
13 thirteen thirteenth 13th
14 fourteen fourteenth 14th
15 fifteen fifteenth 15th
16 sixteen sixteenth 16th
17 seventeen seventeenth 17th
18 eighteen eighteenth 18th
19 nineteen nineteenth 19th
20 twenty twentieth 20th
21 twenty-one twenty-first 21st
30 thirty thirtieth 30th
39 thirty-nine thirty-ninth 39th
数 词
基数词 序数词
40 forty fortieth 40th
50 fifty fiftieth 50th
60 sixty sixtieth 60th
70 seventy seventieth 70th
80 eighty eightieth 80th
90 ninety ninetieth 90th
100 one hundred hundredth 100th
101 one hundred and one one hundred and first 101st
1000 one thousand thousandth 1000th
1000000 one million millionth 1000000th
数 词
(1) “基数词 + 单数可数名词 + 形容词”构成复合形容词，用于修饰名词。
an 8-year-old boy 一个8岁的男孩
a 300-meter-long bridge 一座长300米的桥
(2) “another + 基数词 + 可数名词复数”或“基数词 + more + 可数名词复数”表示在一定基础上再增加一定的数量。
two more oranges = another two oranges 再来两个橘子
(3) 在使用序数词时，通常前面要加定冠词the。如果序数词前出现了不冠词a/an时，则表示“再一”。
We’ll go over it a second time. 我们将再检查一遍。
(4) 数词前面加every表示“每一段时间或每隔一段时间”。
every ten days 每10天
every fifth day 每隔5天
数 词
2. 世纪、年份表达法。
20世纪 the twentieth century
21世纪 the twenty-first century
20世纪80年代 1980s nineteen eighties
写 法 读 法
1999 nineteen ninety-nine
1909 nineteen and nine
1900 nineteen hundred
2000 two thousand
2008 two thousand and eight
2020 two thousand and twenty/twenty twenty
数 词
3. 时间表达法。
类 别 情 况 读 法 示 例
顺读法 整点 基数词 + o’clock 8:00—eight o’clock
非整点 钟点数 + 分钟数 8:20—eight twenty
逆读法 30分以内 分钟数 + past + 钟点数 8:10—ten past eight
15分 a quarter + past + 钟点数 8:15—a quarter past eight
30分 half + past + 钟点数 8:30—half past eight
30分以上 60减分钟数 + to + 下一个钟点数 8:40—twenty to nine
45分 a quarter + to + 下一个钟点数 8:45—a quarter to nine
数 词
4. 日期表达法。
5. 数量表达法。
顺序 写 法 读 法
月日，年 May 1(st) ,2008 May first,two thousand and eight
日月，年 the 1(st) May ,2008 the first of May,two thousand and eight
类别 结 构 示 例
确数 基数词 + 名词复数 twenty-four students
基数词 + hundred/thousand/million+ 名词复数 two thousand trees
约数 hundreds/thousands/millions + of +名词复数 hundreds of people
数 词
6. 分数表达法。
情 况 说 明 示 例
分子是1 分子用基数词；分母用序数词 1/3读作:one-third
1/2读作:one-second / a half
1/4读作:one-fourth / a quarter
分子大于1 分子用基数词；分母用序数词 + s 2/5读作:two-fifths
3/4读作:three-fourths / three quarters
数 词
分数做主语，谓语动词的单复数形式：
(1) 如果of后面是可数名词单数形式，则谓语动词也用单数形式（三单）；
Two thirds of the desk is painted red.
(2) 如果of后面是可数名词复数形式，则谓语动词也用复数形式；
Two thirds of the students in my class are boys.
(3) 如果of后面是不可数名词，则谓语动词也用单数形式（三单）。
One fifth of the water comes from the underground.
(4) 当分数词修饰population时，则谓语动词一律用复数形式。
Seven tenths of the population in China are farmers.
数 词
7. 小数和百分数的表达法。
(1) 小数点读作point,小数点前面的数按照基数词的读法，小数点后面的数按照数本身读。
0.03 zero point zero three
3.14 three point one four
12.586 twelve point five eight six
(2) 百分数，在数词后面加percent。
15% fifteen percent
0.25% point two five percent
85.6% eighty-five point six percent
数 词
( D )1. The old man always _______ the clothes from ______ century.
A. puts on; the twenties B. has; twenties
C. dresses; the twentieth D. wears; the twentieth
( D )2. Computers of today can work than the ones in the 1970s.
A. hundred of times faster B. a hundred time faster
C. hundred times faster D. hundreds of times faster
( D )3. The rich man gave away 5 ______ his money to charity to help the poor children
in Africa.
A. millions B. million C. millions of D. million of
( A )4. Every day he goes to school with .
A. a ten-year-old boy B. a ten-years-old boy
C. a ten years old boy D. a boy ten-year-old
( C )5．-How many women teachers are there in your school
-______ of the teachers ______ women
A. third two; are B. two thirds; is C. two thirds; are D. twos third; is
数 词
( A )6．-Your father looks tired!
-Yes, he worked for _______ after twelve o’clock.
A. two more hours B. two another hour C. more two hours D. another two hour
( B )7．More than two _______ parents ________ to attend the graduation ceremony next week.
A. hundreds; will invite B. hundred; will be invited
C. hundreds of; invite D. hundred of; will invited
( D )8. -When did you start to collect stamps
-I got my stamp when I was years old.
A. one; seven B. one; seventh C. first; seventh D. first; seven
( B )9．She got a red bike on her_________ birthday.
A. nine B. ninth C. nineth D. the ninth
( B )10. Jones won the gold medal in the _____ race in the 27th Olympic Games.
A. women’s 100-meters B. women’s 100-meter
C. women’s 100 meters D. women 100 meter