下面给大家分享的是SAT数学中倍数的表达问题，非常全面的内容，大家可以多参考借鉴，预祝大家取得好成绩。
用 times 表示倍数(一般限于包括基数在内三倍或三倍以上的数。表示两倍的数，一般用 twice )。其句式有：(前三种为主)
1. “… times +形容词 / 副词的比较级+ than …”例如：
Line AB is three times longer than lineCD.
线段 AB 是(线段) CD 的三倍长。
This hall is five times bigger than ourclassroom.
这个大厅比我们的教室大 5 倍。
This rope is twice longer than that one.
This hall is five times bigger than our classroom.
The car runs twice faster than that truck.
2. “… times+as + 形容词 / 副词的原级+ as …”例如：
Thistable is three times as long as that one.
这张桌子是那张桌子的三倍长。
This dictionary is five times as thick asthe one you borrowed from the library.
这本词典的厚度是你从图书馆借的那本(厚度)的 5 倍。
Asia is four times as large as Europe
亚洲的面积是欧洲的四倍。
This big stone is three times as heavy as that one.
这块大石头的重量是那一块的三倍。(这块石头比那块重二倍)
The plane flew ten times as high as the kite.
那架飞机飞行高度是那个风筝的十倍。(高出九倍)
3. “… times + the + 名词(如： size， height， weight， length， width, age等)+ of …”例如：
The earth is 49 times the size of themoon.
地球的体积是月球的 49 倍。
This river is three times the depth ofthat one.
这条河是那条河的三倍深。
This street is four times the length of that street.
这条街是那条街的四倍长。
This hill is four times the height of that small one.
这座山的高度是那座小山的四倍。(比那座小山高三倍)
4. “… times +more +名词+ than …”例如：
He earns five times more money than he didten years ago.
他现在挣的钱比十年前挣的多 5 倍。
There are twice more students in our classthan in theirs.
我们班的学生人数比他们班多两倍。
5. “… times+as many (或 much )+名词+ as …”例如：
We've produced twice as much cotton this year as ( we did ) ten years ago.
今年我们生产的棉花比十年前多了一倍。(汉语中的多一倍实际上也指两倍一样多。)
He has got three times as many books as his sister.
他拥有的书的数量是他妹妹的 3 倍。
6. “… times +what 从句”例如：
The length of the road is four times what it was threeyears 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。
7. “…times + up on (或 over )…”例如：
The size of the sun is a million times over that ofthe 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)。
8. “… +by + …times ”例如：
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。
His speed is faster than mine by four times.
他的速度比我的快 4 倍。
9. “… times +compared with +被比较对象”例如：
The number of the students in our schoolhas increased four times compared with 1980.
我们学校的学生人数比 1980 年增加了4倍。
10. “… times +that of + 被比较对象”例如：
In this workshop the output of July was three timesthat of January.
这个车间七月份的产量是元月份的 3 倍。
以上便是小编为大家整理的SAT数学中倍数的表达问题的相关介绍，希望对大家有所帮助。更多SAT考试相关资料尽在SAT考试站，小编祝大家都能取得理想的SAT考试成绩。
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