1.小數是用數字來表示的,小數點後無論有多少位數也不要在中間插入逗點;小數點讀作point;小數點後面的數字要一個一個地讀出：
3.4讀作three point four;
0.8讀作zero (or nought) point eight;
30.34讀作thirty point three four。
Birth rate was up 2.5 times in those years.
那些年出生率上升了2.5倍。
小數2.5在句中作修飾語。
Our grain output will be 3.7 times that of 1960.
我們的糧食產量將是1960年的 3.7倍。
小數3.7在句中作<修飾語>。
2.百分數用percent或per cent表示,即"%"。
The price has been reduced by 20 percent (or 20%) since May.
自五月以來價格降低了百分之二十。
The number of visiting patients is 30 percent (or 30%) less than the same time last year.
就診的患者人數較去年同期下降了百分之三十。
3.比率的表示通常都用數字,有時亦可用文字。
The ratios of 1 to 3 and 5 to 15 are the same.
一比三和五比十五的比率是相同的。
You have a fifty to fifty chance to win the game.
你有五成的機會贏得比賽。
4.日期,年份的表示法：
May 22(May the twenty-second or the twenty-second May),也寫作May 22nd;
July 15(July the fifteenth or the fifteenth of July),也寫作July 15th;
August 1(August the first or the first of August),也寫作August 1st;
1949讀作nineteen forty-nine;
1804讀作eighteen o four;
1700讀作seventeen hundred;
2000讀作two thousand;
685 B.C.讀作six eighty-five B.C.(before Christ);
1960's(or 1960s)讀作nineteen sixties。
5.時刻的表示法：
7:00(seven o'clock or seven)
9:15(nine fifteen,a quarter past nine or a quarter after nine)
11:26(eleven twenty-six,twenty-six past eleven or twenty-six after eleven)
5:30(five thirty,half past five,or half after five)
6.以24小時為時制的表示法：
08:00(eight o'clock in the morning or eight o'clock a.m.)
12:00(twelve o'clock,midday or noon)
14:15(fourteen fifteen or two fifteen p.m.)
24:00(twelve o'clock at night or midnight)
7.單位的表達法：
2×3 feet 讀作two feet by three feet;
2×3×6 inches讀作six inches by two inches by three inches。
This parcel weighes 3 pounds 5 ounces.(or This parcel is 3 pounds 5 ounces in weight.)
這件包裹重三磅五盎司。
I bought a 4 feet by 5 feet rug.
我購買了一塊長五英呎寬四英呎的地毯。
The temperature dropped to -22℃(minus twenty two degrees Centigrade).
溫度下降到攝氏零下二十二度。
His height is 178 cm.(or He is 178 cm tall.)
他的身高是一百七十八厘米。
The size of the box is six feet by four by three and two-thirds.
這隻箱子的大小是長六英尺寬四英尺高三又三分之二英尺。
8.一些數學表達式的讀法,其中一些常見的符號如"＋"讀作plus或and;"－"讀作minus或from;"×"讀作 times或multiplied by;"÷"讀作divided by等。
5＋8＝13
Five plus eight is thirteen.
五加八等於十三。
15－6＝9
Fifteen minus six is nine.
十五減六等於九。
4×5＝20
Four times five is twenty.
Four multiplied by five is twenty.
四乘以五等於二十。
8÷2＝4
Eight divided by two is four.
八除以二等於四。
A＞B
A is greater than B.
A大於B。
A≧B
A is greater than or equal to B.
A大於或等於B。
A＜B
A is less than B.
A小於B。
A≦B
A is less than or equal to B.
A小於或等於B。
A≠B
A is not equal to B.
A不等於B。
Five squared is twenty-five.
5的平方等於25。
Five cubed is one hundred and twenty-five.
5的立方等於125。
Two to the fourth power is sixteen.
2的四次方等於16。#8-13
The square (or second) root of sixteen is four.
16的平方根等於4。
The cube (or third) root of twenty-seven is three.
27的立方根等於3。
9.電話號碼,房間號,帳號,汽車牌號等按編號的順序一個一個地讀出,遇到"0"時讀oh,相連的兩個相同的<基數詞>可讀作double。
My office phone number is 268-8064 extension 321(three two one).
我的辦公室電話是二六八八零六四分機三二一.
268-8064 extension 321(three two one)讀作two six eight eight O six four extension three two one.
My account number is 38800685(three eight eight zero zero six eight five or three double eight double oh six eight five).
我的帳號是三八八零零六八五。
10.貨幣的讀法：
$18.29讀作eighteen dollars twenty-nine cents 或 eighteen twenty-nine
十八美元二十九美分。
$15讀作fifteen dollars (even)
表示十五美元(整)。
C$268(two hundred and sixty-eight Canadian dollars)
表示二百六十八加拿大元。
JP￥10,000(ten thousand Japanese Yen)
表示一萬日元。
11.帝王第～世的讀法：
William Ⅰ(William the first) 威廉一世
Elizabeth Ⅱ(Elizabeth the Second) 伊利莎白二世
World War Ⅱ(world war two or the second world war) 第二次世界大戰
No. 1(number one)第一
Lesson Ⅲ(lesson three)第三課
Section Ⅰ(section one)第一節
P. 10(page ten)第十頁。
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