专八过级训练.doc

(2)1000以上的数词 1,000 = one thousand 一千 10,000 = ten thousand 一万 100,000 = one hundred thousand 十万 1,000,000 = one million 一百万 10,000,000 = ten million 一千万 100,000,000=one hundred million 一亿 (3)十亿以上的大数，英美有不同的读法： 英国 美国 十亿 one thousand million = one billion 百亿 ten thousand million = ten billion 千亿 one hundred thousand million = one hundred billion 万亿 one billion = one trillion 2.Fractions 分数 通常将分子读为基数，将分母读为序数。 1/2 = a (or one) half 1/3 = a (or one) third 1/4 = a quarter or one fouth 1/5 = a (or one) fifth 2/3 = two thirds 9/10 = nine tenths 53/4 = five and three quarters 15/64= fifteen over (or by) sixty-four 15% = fifteen per cent 4‰ = four per mill 3.Decimals 小数 0.4 = zero (or nought) point four .01 = point (or decimal) nought one 12.34 = twelve point three four 567.809 = five hundred and sixty-seven point eight nought nine 30.45 = thirty point four five, five recurring 0.3% = decimal three percent 4.Mathematic Forms 数学式 (1) Addition 加法 1+2=3 One and two are three. 2+3=5 Two plus three equals five. 4+0=4 Four and nought is equal to four. 45+70+152=267 45,70 and 152 added are (or make) 267 the sum (or total) is 267. 演算时的读法： Three and seven are ten; I write(or I write down,or I put down)a nought and carry one. Four and one that I carry are five, and eight make thirteen,and three sixteen; I write down six and carry one. One and one (that I carry) are two; I put down two.- The sum (or total, or the result of the addition) is two hundred and sixty. 37,80 and 143 added together, and(or make) 260. (2)Subtraction 减法 9-4=5 Nine minus four equals (or is equal to) five. 2006-12-29 22:18 回复 59.33.13.* 2楼 15-7=8 Seven from fifteen leaves eight. 23,654-8,175=15,479 8,175 (take or subtracted) from 23,654 leaves 15,479. The difference (or The remainder) is 15,479. Nine from five won`t go. 演算时的读法：Nought from nought (leaves) nought. One from one leaves nought (or nothing). Two from thr