2022年中考英语语法专题复习学案数词专题复习

这是一份2022年中考英语语法专题复习学案数词专题复习，共6页。
表示数目或数量多少的词叫基数词。
基数词的读写
(1)1~12单独记：ne，tw，three，fur，five，six，seven, eight, nine, ten, eleven, twelve
(2) 13~19词尾为-teen：thirteen，furteen，fifteen...
(3) 20，30，40等逢十的单词词尾为-ty：twenty，thirty，frty...
(4) 几十几的写法：在十位数和个位数之间加连字符构成。
如： 73 seventy-three 88 eighty-eight
(5) 101~999先说几百，再加and，再加末尾两位数（或末位数）。如：
178 ne hundred and seventy-eight 238 tw hundred and thirty-eight
(6) 1000以上的数词，先从后向前数，每三位用一个”，“隔开。第一个“，”表示thusand(千)；第二个“，”表示millin(百万);第三个“,”表示billin(十亿)，然后一节一节用几百几十几的方法表示。在这类数词中hundred，thusand，millin，billin等词一般都用单数形式。如：
1, 004 ne thusand and fur
18,657,421 eighteen millin, six hundred and fifty-seven thusand, fur hundred and twenty-ne
4, 000, 000, 000 fur billin
基数词的用法
(1)日期： 年用基数词，日用序数词。如：in 2022， n June 1st
(2)时刻：“几点整”：基数词+’clck; “几点过几分”：分+past+点；“几点差几分”：分+t+点。
2:00 tw ’clck 8:10 ten past eight 6:55 five t seven
编号：单数名词+基数词， 如：Rm 12
电话号码：用基数词，可单个读，重复数字可读作“duble”
年代：“in the +年代的复数”表示在几世纪几十年代，如：in the 1960s 在二十世纪六十年代
年龄： = 1 \* GB3 \* MERGEFORMAT ①基数词+years ld 如：15 years ld = 2 \* GB3 \* MERGEFORMAT ②at the age f +基数词，意为“在岁时” = 3 \* GB3 \* MERGEFORMAT ③in ne’s +整十数的复数形式，表示“在某人几十多岁时”，如：in his eighties
(7)hundred，thusand，millin，billin前有具体数字或several时， 后一般不加-s，不加f；反之，其后加-s和f。
Thusands f trees must be planted every year. 每年必须种植数千棵树。
Sixteen thusand peple visit it every day. 每天有一万六千人参观它。
(8)“基数词+连字符+名词”作定语，其中的名词用单数。a three-day hliday一个三天的假期
(9)anther+基数词+复数名词=基数词+mre+复数名词，意为“另外几个”,如：
Anther three hurs = three mre hurs 另外三小时
同步练习：
( )1. There are days in a year.
A. three hundred and sixty five B. three hundred and sixty-five
C. three hundreds and sixty five D. three hundreds and sixty- five
( )2. Danny lives in
A. rm 404 B. Rm 404 C.404 rm D.404 Rm
( )3.Jim is in
A. class ne，grade six B. grade ne，class six
C. Class One，Grade Six D. Grade One, Class Six
( )4. The bike cst me yuan .
A. five hundred frty B. five hundreds furty C. five hundred and frty D. five hundred furty
( )5. My telephne number is
A. eighty eight tw frty fur zer nine B. eight eight tw duble fur 0 nine
C. eighty eight tw frty-fur zer nine D. eight eight tw fur fur zer nine
( )6. Is there any fd fr us ?
A. ten B. tenth C. the tenth D. the ten
( )7. Mary is girl.
A. an 8 year ld B.8-years-ld C. the 8 years ld D. an 8-year-ld
( )8. -----What day is tday? -----
A. June B. Tuesday C. It is ht D. It's fine
( )9. ---- What's the date tday?
A. It's Saturday B. It's July C. It's fine D. It's July 15
( )10. - -What time d yu get up every day?
A. It's seven 'clck B. Seven 'clck time C. At seven D. On seven
( )11. In rder t make ur city mre beautiful, we have planted ____ trees these years in Yi Yang.
A. three thusands B. thusand f C. thusands f
( )12. David Beckham has ___ children. Brklyn Beckham is his __ sn.
A. third; first B. three; ne C. three; first D. third; ne
考点二 序数词
表示数目顺序的词叫序数词。
序数词的构成
序数词第1-19中除第一(first)，第二(secnd)，第三(third)，第五(fifth)，第八(eighth)，第九（ninth），第十二（twelfth）有特殊形式外，其余的均由基数词加后缀-th构成。如：
fur→furth, ten→tenth, thirteen→thirteenth
整十数字的序数词的构成方法是：先将十位数词尾的y变成i，再加-eth。如：
thirty→thirtieth, frty→frtieth
(3)将几十几变成序数词时，只把个位数变成序数词，十位数不变。如：
thirty-six-→thirty-sixth, ninety-eight→ninety-eighth
(4)序数词的缩写形式是由阿拉伯数字加上序数词的最后两个字母构成的。如：
first→1st secnd→2nd third→3rd furth→4th twelfth→12th
twenty-first→21st ne hundred and fifty-third→153rd frty-6fth→45th
序数词的用法
(1)序数词前要加定冠词the，在句中作定语，放在被修饰的名词前，如：
Father's Day n the third Sunday f June.父亲节在六月的第三个星期天。
The secnd lessn is mre difficult than the first.第二课比第一课难得多。
(2)序数词前若有形容词性物主代词、名词所有格等限定词，则不加the， 如：
Tday is my thirteenth birthday.
(3)序数词前加不定冠词a/an，表示“再一“又一”。如：Try it a secnd time. 再试一次吧。
同步练习：
( )1. Is Sunday the day f the week?
A. a B. ne C. nce D. first
( )2. The Yellw River is lngest river in China.
A. the first B. the secnd C. the third D. the furth
( )3. - Hw ld is yur sn? . We had a special party fr his birthday last Sunday.
A. Nine; nine B. Nine; ninth C. Ninth; ninth D. Ninth; nine
( )4. Mrs. Turner have child tday.
A. secnd B. the tw C. a secnd D. the secnd
( )5. Bys and girls，please turn t Page and lk at the ____ picture.
A. Fifth; five B. Five; five C. Fifth; fifth D. Five; 6th
( )6. The mnth f a year is December.
A. tw B. secnd C. twelve D. twelfth
考点三 分数、小数和百分数的表示法
1.分数表示法。分子用基数词，分母用序数词，中间可以有连字符连接，也可以没有；分子是1，分母用单数，分子大于1，分母用复数。如：
1/4 ne furth或a quarter 3/4 three furths或three-quarters 1/2 ne half或a half
2.小数和百分数表示法。
(1)小数点应该读作pint，小数点前后的数用基数词表示。如：
0.04 zer pint zer fur 3.14 three pint ne fur
(2)百分数用percent / per cent表示。如：
3%→three percent 30%→thirty percent 0.35%→zer pint three five percent
同步练习：
一、写出下列的分数、小数或百分数
1. 六分之五 2.五分之一
3. 0.128 4. 1.35
二、单选
( )1.In ur class f the students girls
A. three fifth; are B. three fifth; is C. three fifths; are D . three fifths; is
( )2. f the earth land.
A. Tw fifth; are B. Tw fifths; is C. Tw fifth; was D. Tw fifths were
( )3. Over sixty percent f the dctrs _____ wmen. A. are B. is C. was D. were
( )4. _______Kbe's funs watched his final match and _______ f them were men.
A. Millin f; three furths B. Three millins; third fur
C. Millins f; three furths D. Three millin; third furs
( )5. Abut f the students in Grade Nine this year were been in the ____ .
A. three five;1996 B. three fifths ;1990s C. third fifth;1997 D. third fifths:1990s