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英语学习实用篇：英语数字表示方法“数字”的应用在我们日常生活中，可以说是无处不在，无时不用。虽然数字只有10个，学起来也非常的容易，但是，要想真正的用好，却不是件容易的事，特别是不但要能听清楚别人在句子中说的是什么数字，更重要、也是难度最大的，就是要弄懂这些数字在句子中究竟表达得到是什么意思。如果听不懂，那将是一数之差而谬之千里。所以，练好数字在口语中的运用将是非常重要的。用数字表达分数/小数/百分数/一半/四分之一/折扣的常用句子：Whats 4/5(four-fifths) of 40? 40的4/5是多少?0.001(Point oh oh one)? How big is that? 0.001是多大呢?Well,0.1(point one) is a tenth, and 0.01(point oh one) is a hundredth, so 0.001(point oh oh one) must be a thousandth. 嗯...，0.1是1/10，0.01是1/100，所以0.001就是1/1000了。She got an average score of 6.7(six point seven). 她的平均分数是6.7。Im 99.9%(ninety-nine point nine percent) sure. 我99.9%的确定。99.9(Ninety-nine point nine) people out of 100(a hundred) would answer yes. 100个人当中，99.9%的人都会赞成。Half of a hundred is fifty. 100的一半是50。Youve only eaten half of your cake! 你的蛋糕只吃了一半呀!When I am not so hungry, I eat only half a bowl of rice. 当我不太饿时，我只吃半碗饭。Add two and a half cups of water. 加入两杯半的水。Youve won half a million dollers! 你赢了50万美元!How far is half a mile? 一英里的一半是多少?How heavy is half a pound? 一磅的一半是多重?How long is half a day? 一天的一半有多长?The class lasts one and a half hours. 上课时间是1.5小时。Give me half an hour. 给我半个小时。In one and a half hours, I can walk from my house to the station. 我可以在一个半小时之内从家走到车站。I would like ti live half of my life in Hawaii! 我宁愿花半辈子的时间住在夏威夷!Everything is 20%(twenty percent) off! 商品全部8折!（商品全部减价20%）I got these shoes for 30%(thirty percent) off! 这双鞋我只用7折就买到了!（我买这双鞋便宜了30%）They were reduced by 50%(fifty percent), to half price. 打对折，已经剩半价了。（降价50%，半价了）用数字表达年龄常用的句子：Im forty-eight. 我48岁了。23 years and 7 months. 23岁零7个月。My fiance is 32 years old. 我的未婚夫32岁了。It happened when he was 4 years of age. 这件事发生在他4岁那一年。She started school at the age of six. 她六岁开始上学。He is a twelve-year-old boy. 他是一个12岁的男孩。Tom is not 8 yet. 汤姆还不到八岁。I have not reached thirty yet. 我还不到30岁。Tom is three months off 30. 汤姆差3个月就满30了。Most of them are less than 30. 他们中大多数不到30岁。He is in his early twenties. 他20岁出头。Im three years younger than my sister. 我比姐姐小三岁。The driver of the car seemed to