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2、倍数+the 度量词 of... The earth is 49 times the size of the moon. 地球的体积是月球的 49 倍。 This river is three times the depth of that one. 这条河深度是那条河的三倍。 下边也可看作是这种句式的变化： The length of the road is four times what it was three years ago. 这条路的长度是三年前的 4 倍。 The price of the meat is twice what it was last year. 肉价是去年的两倍。 The size of the sun is a million times over that of the earth. 太阳的体积比地球的体积大一百万倍。 He is three times up on your age. 他的年龄是你的 4 倍(或：比你的年龄大 3 倍) In this workshop the output of July was 3.5 times that of January. 七月份的产量是元月份的 3.5 倍 3、其它表示法 (1) 英语中有些词表示特定的倍数，例如： again (一倍), twice, double (两倍), triple (三倍), fourfold (四倍) 等数。 My Aunt is as old again as I am. 我姑姑的年龄比我大一倍。 The top-brand clothes are often sold as double the normal price here. 售价经常比正常的售价高一倍。 The new work procedure tripled the output. 新工艺使产量增加两倍。 The output of grain increased fourfold. 粮食产量增加了三倍。 (2) 使用by, compared with 等 Compared with last year， our coal output has increased by three times. 与去年相比，我们的煤产量增长了 3 倍。(使用by...) His speed is faster than mine by four times. 他的速度比我的快 4 倍。 The number of the students in our school has increased four times compared with 1980. 我们学校的学生人数比 1980 年增加了 3 倍。(使用 compared with) The production of integrated circuits has been increased to three times as compared with last year. 集成电路的产量比去年增加了两倍。 The principal advantage of the products is a two-fold reduction in weight. 这些产品的主要优点是重量减轻了1／2。 I’ve paid five times the usual price for the stamp. 我出了5倍于往常的价格买这枚邮票。 The average income of the staff has been increased by 50 percent compared with last year. 职工的收入增加了50%. The price of TVs are twofold down over these years. 近几年来，电视机的价格下降了两倍。 She spent half as much money as you. 她花掉的钱只有你花掉的一半。 [练一练] 1. Americans eat ________ vegetables per person today as they did in 1910. A. more than twice B. as twice as many C. twice as many as D. more than twice as many 2. Paper produced every year is _______ the world's production of vehicles. A. the three weight of B. three times the weight of C. as three times heavy as D. three times as heavier as 3. With the help of the German experts， the factory produced ______ cars in 1993 as the year before. A. as twice many B. as many twice C. twice as many D. twice many as 4. This ship measures ________ that one. A. as twice as long B. as twice long as C. twice long as D. twice as long as 5.After the new technique was introduced, the factory produced _______ tractors in 1988 as the year before. A. as twice many B. as many as C. as twice as many D. twice as many [Key：DBCDD] (责任编辑：admin) |