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SAT数学部分对于我们中国的考生来说,不是很难。但是还是会失分,究其原因,主要还是对于数学的一些专业词汇掌握不够。以下是我们的小编们为大家准备的一些在SAT数学考试中常用的数学倍数的表达。希望大家能有所了解,争取考个好成绩。
一、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)
本帖隐藏的内容
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。