2023届高考英语二轮复习数字和数词课件

这是一份2023届高考英语二轮复习数字和数词课件，共13页。PPT课件主要包含了Numeral，Date日期，Time时间， 20-90，twenty，thirty，forty，fifty，sixty，seventy等内容，欢迎下载使用。
Fractin(分数)
Cardinal number(基数词)
Ordinal number（序数词）
Percentage(百分数)
1.Cardinal number(基数词)：
ne、tw、three、fur、five、six、seven、eight、nine、ten、eleven、twelve、thirteen、furteen、fifteen、sixteen、seventeen、eighteen、nineteen
3. 表达几十几时，在几十和个位基数词之间添加连字符“—”
21__________
43__________
百____________
百万_________
十亿_________
千___________
1)基数词在表示确切的数字时, 使用百、千、百万、十亿的单数形式
500__________
6,000,000,000________
five hundred
356_____________________
three hundred and fifty-six
2)基数词在表示不确切的数字时, 使用百、千、百万、十亿的复数形式
改错：There are thusand f students in ur schl.
3)数词+其他名词构成的名词性短语作定语时 其中的名词用单数形式，名词性短语中用连字符“-”来连接。
1） She is five _____ ld. She is a ___________ girl.改错: It is a 5-meters-wide rad.
five-year-ld
4)表示人的不确切岁数或年代, 用几十的复数形式
He became a prfessr in his _______(thirty).
It was in the 1960s.　
2. Ordinal number(序数词)：
ne__________ tw___________ three__________ five_________ eight __________ nine____________ twelve___________
其它的序数词都是由其相对应的基数词后面添加“th”构成
fur_________ fifteen___________
twenty________
thirty______
fifty________
sixty______
seventy_______
eighty______
ninety________
3.表第几十几时, 用几十的基数词加上连字符“-”和个位序数词
第三十一_______________ 第五十六_________________
thirty-first
fifty-sixth
4.序数词的缩写形式：
lst, 2nd, 3rd为特殊形式, 其它的都是阿拉伯数字后加上th
表年级 改错: The little girl is in the five grade.2）表世纪 改错: This tl was invented in the twenty century. 3）the + 序数词+(n) + t d sth 改错: He is always first ne cme t the classrm.
3. Fractin(分数)：
3/5_________
1/7___________
three fifths
1/2_________
1/4_________
3/4_________
a(ne) furth/a quarter
three furths/quarters
1) Only ne-fifth f air _________(cnsist)f xygen. 
2) Abut tw thirds f the students _____ (be)ging t attend the meeting. 
4. Percentage(百分数)：
12%_____________
twelve percent
90%_____________
ninety percent
1)Mre than 70 percent f the earth's surface ___(be)cvered by water.
2) 60 percent f the students in ur class is girls.
1.表达形式（缩写）January—Jan. February—Feb. March—Mar. April—Apr. May— May. June— June.July— July. August—Aug. September—Sept. Octber—Oct. Nvember—Nv. December—Dec.
2.表达日期用序数词/在具体的哪一天要加介词n
Natinal Day is ______ ________.
2）表达时刻加介词at
We usually get up ____ six ’clck.
1）表达时间范围大/泛指要加介词in
The girl was brn _____1998.
The by’s temperature came dwn ___ the mrning.
6:10____________ 2:40_______________
1) (half)past2) t3) quarter
一、数词在语法填空题中：It is nt rare in _______1990s that peple in _________ fifties are ging t university fr further educatin.2. Tw___________(five) f the land in that district ______ (be) cvered with trees and grass. 4. It is reprted that the United States uses ________(tw) as much energy as the whle f Eurpe. 5. The her f the stry is an artist in his ______（thirty）.