按关键词阅读: 专题 语法 chenhj 数词
二分之一, 一半 三分之一 四分之一 三分之二 四分之三。
12、百分之二十五,1/2-one second; a (one) half,1/3-a (one) third,1/4-a (one) fourth;
a (one) quarter,2/3-two-thirds,3/4- three-fourths;
three quarters,25/100-twenty-five hundredths,英语分数巧记 英语分数不费事 , “母序子基”四个字 。
分子若是大于一 , 分母还须加-s,原题再现】 ________ of the land in that district________ covered with trees and grass. Two fi 。
13、fth;
is B. Two fifth;
are C. Two fifths;
is D. Two fifths;
are 【解析】五分之二应为two fifths;
land是不可数名词,谓语动词应使用单数形式 。
答案为C,2小数词(decimal fractional) 小数点读作point , 其后的数词分开来一个一个地读 , 0可读作zero(或nought) , 也可读作ou 。
如 0.2 - 0.03 - 1.19 - 13.470,o ou point two;
nought (zero) point two,o ou point o ou three;
nought (zero) point。
14、nought (zero) three,one point one nine,one three point four seven o ou/ thirteen point four seven o ou,3百分数 读百分数时 , 只要在基数词或小数词之后加上percent即可 。
如: 25 - 8 - 0.5 - 0.16,twenty-five percent,eight percent,o ou point five percent,nought/zero point one six percent,四、大致年龄 大致年龄 在他10/20来岁时: in his teens / twenties 。
15、 在她50来岁时: in her fifties 表达形式: in ones + 逢十数的复数形式,注意年龄、年代的表达法 。
表达在某人几十岁时用in ones +逢十的基数词复数;
表达在几十年代时,用in the +逢十的基数词复数,原题再现】 It is not rare in ________that people in ________ fifties are going to university for further education. 90s;
the B. the 90s;
/ C. 90s;
their D. the 90s;
their 【解析】根据题意,第一空应表示年代 。
16、;
第二空表示在50多岁的时候 。
答案为D,五、数量增加、减少的表示及译法 1increase (rise, grow, go up) by 人口增加了十万 , 共为三千万 。
与去年相比 , 产量增长五倍,The population has increased by 100, 000 to 30,000,000,Compared with last year, the output goes up 5 times,2double (twice), n times 表示倍数的增加 double (twice) 为两倍,增加一倍,翻一番 n times为 n倍 , 增加 n-1倍 目前的产量是过去的两倍 。
1 。
17、999年产量翻了一番 。
罗伯特驾车驶过从纽约到休斯顿两倍那么远的 距离,The production is now double what it was,In 1999, the production doubled,Robert drove twice the distance from New York to Huston,3用more (higher, better) than表示 数量的增加 太阳的大小是地球的几千倍 (或:太阳比地球大几千倍 。
,The sun is thousands of times larger than the earth,4用as much(many, lon 。
18、g, fast) as表示 数量的增加 六倍那么多 , 多五倍 一半那么长 百分之三十那么重 四分之一那么大,6 times as much as,half as long as,30 as heavy as,one fourth as great as,这座桥长是那座桥的二倍 。
The power of this engine is three fourths as great as the power of that one. 这块大石头的重量几乎是那块小的十倍,This bridge is twice as long as that one,The big stone is nearly 1 。
19、0 times as heavy as the small one,5、倍数的表达法 英语中表达倍数常用下列句型: 1. A is three / four.times the size / height / length / width.of B. 2. A is three / four.times as big / high / long / wide.as B. 3. A is three / four.times bigger / higher / longer / wider.than B. 用times表示倍数时,一般只限于三倍或三倍以上的数,表示两倍常用twice或double 。
20、,原题再现】 It is reported that the United States uses ________ energy as the whole of Europe. as twice B. twice much C. twice much as D. twice as much 【解析】倍数应位于as.as结构之外 。
答案为D,6 , 数量减少的表示及译法 reduce (fall, drop, cut, shorten ) 降到10 , 减少90 减少 20(只有原来的80 下降 15 下降 30 降低(成本)26 使缩短为原来四分之一 , 缩短四分之三 是的n分之一 厚度只及一半,redu 。
21、ce to 10,reduce by 20,fall by 15,drop by 30,cut (cost) 26,shorten4 times,n times less,twice thinner,自1979从年以来这个地区的出生率下降了40 。
月球上的重力是地球上的六分之一 。
大桥使两座城市间距缩短为原来的六分之一,The birth rate in this area has dropped by 40 since 1979,The force of gravity on the moon is six times less powerful than that on the earth 。
22、,The bridge shortens the distance between the two cities 6 times,六、大约数的表示方法 (1)用 ten、dozen、score、hundred、thousand 、 million 等数词的复数后加 of 短语来表示几十、几百、上千、成千上万等大约数概念 。
如: The little boy buys dozens of pencils every term. Thousands of people died in the earthquake. Every year tens of thousands of people go。
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标题:语法|语法专题数词chenhj( 二 )