英语数词的各种表示方法课件

6．The wall is____. A．four meters long B．four meter long C．four-meter long 7．What's the date today? It's___． A．March the eight B．March eighth C．eight，March 8．It happened in the 1040's． A． ． in in the the forties forties of of the the eleventh eleventh century century． ． A B． in the forties of the tenth century． C． in the forty 9．About_____________ of the earth\'s surface is covered with water. A. three-fours B. three-fourth C. C. three-fourths three-fourths
专项复习
数词
Numbers
二.数词的各种表示法
一、时间的表达方式 1．直接表达法。即先读小时，再读分钟 如：4：10 读成 8：36 读成
four ten
eight thirty-six
2．逆读法。即先读分钟，再读小时
①分钟小于30的用“past”，中文译为“过”。
即分钟+past+时钟，中文译为“几点过几分”
分数、百分数、小数的表达方法 （以分数 考法较为常见）
1. 分数: 分子用基数词，分母用序数词，分子 大于一，分母加s 1/2 读作 one second（a half） 2/3 读作 two thirds 或者 two- thirds 1/13 读作 one thirteenth 3/4 读作 three fourths或者three - quarters 2．小数,百分数的读法: 小数点读成point 3.6 读作 three point six 百分号% 读成 percent 50%读作 fifty percent
2. __ of her money __ spent on clothes. A. Two three; are B. Two thirds; is C. Two third; is 3. __ the teachers in our school is about one hundred, and __ of them are women teachers. A. The number of; two third B. The number of ; two thirds C. A number of; two thirds
1Tony is going camping with _boys next Sunday． A．little two other B．two little other C．two other little D．little other two 3．Do you know where he found the other two photos？另外两张照片 3. more 1．more 1）She has got five more electric fans．她还有 五台电扇。
五.数词的表示法 — 计量
① The river is about ____. A. 6,000 meters long B. 6,000-meters-long C. 6,000-meter-long
be + 数词 + 量词 + 形容词
10. He went down to the village which was ___miles away from the city. A. three hundreds B. three three hundred hundred B. C. three hundreds of
六、加减乘除表示法 1. “加”用plus，and或add表示 How much is two plus three? It is five． Two and three is equal to five． 2. “减”用 minus How much is ten minus six? 3. “乘”multiply 3X4＝? How much is three times four? 4. “除”用divide的过去分词形式表示 16÷4=? How much is sixteen divided by four?
1. This building is __ that building. A. three time as tall as B. twice taller than C. three times as taller as 2. 我的箱子比你的重六倍! six times heavier than yours. My box is ____________________ seven times as heavy as
三年半的两种表达方式: three years and a half
three and a half years
1.— It’s already 7:40 now. When will the film
start? —___. We still have five minutes. A. A quarter to seven B. Seven past forty-five C. A quarter to eight
二.数词的表示法 — 分数百分数
1 5 2 7 1 4 3 4
分子 基数词 分母 序数词 分子 ﹥ 1 分母 + s
one fifth two sevenths
分子 a 分母 quarter a quarter three quarters
1 2
a half
1 基数词 + and + 分数 three and one third 3 3
三.数词的表示法 — 半的表示法 one and a half hours = one hour and a half 两个半小时 two and a half hours = two hours and a half 一个半小时
1. The boy always stays there for __. A. one and half hour B. one and a half hour C. one and a half hours
七、another, other, more修饰数词的用法 1. another A) another+名词单数 B)表“另外的、额外的、附加的时，+few或具 体数字的复数 1．—Have you finished your report yet？ —No，I will finish it in 10 minutes． A．another B．Other C．more D．less 2．The strike may last another three days．罢 工可能还要持续三天。 2. other +复数名词，置于数词之后 B)但与定冠词tຫໍສະໝຸດ Baidue连用时，other要放在数词前。
2．more还可与a little，a few，a lot，several等词 连用 （1）There are many more dictionaries on the desk．课桌上有许多词典。 （2）Would you like some more tea？再喝点茶好 吗？ 4. 名词省略 如果前后意思清楚，another或more后面的名词可 以省去。如： 1．I climbed the stairs slowly，carrying a big suitcase，my father following with two more．
This box is five times as big as that one. =This box is four times bigger than that one. ① A + be + 倍数 + as +adj.原+ as +B. A是B的 …倍… ② C + be + 倍数 + adj.比+ than +D. C比 D … … 倍
如： 4: 30 读成 9: 45 读成
读成
two to two
3．半小时用“half”, 一刻钟用“quarter”。
三刻钟 three quarters
half past four
a quarter to ten
特别注意：一个半小时的表达方式：
one / an hour and a half one and a half hours
2. The old man drank__ beer. A. two bottles and a half B. two and a half bottle C. two bottle and a half
四.数词的表示法 — 倍数
一倍 三倍
once，两倍 three times
twice，
(三倍或以上 基数词＋times)
Can you read them?
1:30 2:15: 3:45 6:38 7:25 9:50
one thirty two fifteen three forty-five six thirty-eight seven twenty-five nine fifty half past one a quarter / fifteen past two a quarter/ fifteen to four twenty- two to seven twenty five past seven ten to ten
80 %
eighty percent
基数词 + percent
half / (百)分数 + of + 可数名词复数 谓语动词用复数 half / (百)分数 + of + 不可数名词 谓语动词用单数
3.78
three point seven eight
1. __ of the students __ boys in Class A. Two three; are B. Two thirds; are C. Two thirds; is
如：5:10（5点过10分）读成 ten past five two past two
2:02 （2点过2分） 读成
②分钟超过30（不包括30分钟）用 “to”（中文译为“差” 如：7：45 （八点差15分） 读成 fifteen to eight
即“60-分钟数 +to+钟点数+1” （中文译为：几点差几分） 1：58（两点差2分） 注意：一刻钟 a quarter
五.数词的表示法 — 年龄
① The winner is ___. He is an ___ boy . A. eight-year-old; eight years old B. eight years old; eight-year-old C. eight-years old; eight-year-old ② He came to China ____. A. at the age of 20 B. when he is 20 C. at age of 20
选择填空。 1．March is ____month of a year． A． a three B． the third C． a third 2．We will have a meeting at 8:05____． A．five to eight B．eight five C C． ．eight eight o o five five 3．Eight plus eight is____. A． ．sixteen sixteen B．sixty-four C．one A 4．He is an ____boy． B ． eight-year-old A．eight years B ． eight-year-old C．eight-years-old 5．We will have a___ walk． A．ten minutes B．ten minutes' C．ten-minutes