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SAT數學題倍數的3類12種表達方法

課窩文章發表時間2020-12-09 課窩文章標簽SAT考試,SAT成績,SAT閱讀 課窩文章喜歡人數

  SAT數學考試中倍數的考察是很常見的題型,但倍數的表達方式就多種多樣,可能一不小心理解錯了倍數關系,整道題就覆滅了,所以小編今天將SAT數學題里面倍數的三大類十二種表達的方式給大家匯總了,希望同學們好好參悟,在考試的時候千萬不要在這些基礎知識上面失分哦!

  (一)用分數、百分數表示倍數。

  例如:

  The box is one-third bigger than that one.

  這個盒子比那個盒子大三分之一。

  Last year the output value of industry was59 percent higher than that of 1976.

  去年工業產值比 1976 年增長了 59 %。

  My command of English is not half so goodas yours.

  我英語掌握得還不及你的一半兒好。

  (二)用 times 表示倍數(一般限于包括基數在內三倍或三倍以上的數。表示兩倍的數,一般用 twice )。其句式有:

  1. “… times +形容詞 / 副詞的比較級+ than …”

  例如:

  Line AB is three times longer than line CD.

  線段 AB 是(線段) CD 的三倍長。

  This hall is five times bigger than our classroom.

  這個大廳比我們的教室大 5 倍。

  2. “… times+ as + 形容詞 / 副詞的原級+ as …”

  例如:

  This table is three times as long as that one.

  這張桌子是那張桌子的三倍長。

  This dictionary is five times as thick asthe one you borrowed from the library.

  這本詞典的厚度是你從圖書館借的那本(厚度)的 5 倍。

  The plane flew ten times as high as the kite.

  那架飛機飛行高度是那個風箏的十倍。(高出九倍)

  3. “… times + the + 名詞(如: size, height, weight, length, width, age等)+ of …”

  例如:

  The earth is 49 times the size of the moon.

  地球的體積是月球的 49 倍。

  This river is three times the depth of that one.

  這條河是那條河的三倍深。

  This street is four times the length of that street.

  這條街是那條街的四倍長。

  4. “… times +more +名詞+ than …”

  例如:

  He earns five times more money than he did ten years ago.

  他現在掙的錢比十年前掙的多 5 倍。

  There are twice more students in our class than in theirs.

  我們班的學生人數比他們班多兩倍。

  5. “… times +as many (或 much )+名詞+ as …”

  例如:

  We've produced twice as much cotton this year as ( we did ) ten years ago.

  今年我們生產的棉花比十年前多了一倍。(漢語中的多一倍實際上也指兩倍一樣多。)

  He has got three times as many books as his sister.

  他擁有的書的數量是他妹妹的 3 倍。

  6. “… times +what 從句”

  例如:

  The length of the road is four times what it was three years ago.

  這條路的長度是三年前的 4 倍。

  The price of the meat is twice what it was last year.

  肉價是去年的兩倍。

  7. “…times + up on (或 over )…”

  例如:

  The size of the sun is a million times over that ofthe earth.

  太陽的體積比地球的體積大一百萬倍。

  He is three times up on your age.

  他的年齡是你的 4 倍(或:比你的年齡大 3 倍)。

  8. “… +by + …times ”

  例如:

  Compared with last year, our coal output has increased by three times.

  與去年相比,我們的煤產量增長了 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 +被比較對象”

  例如:

  The number of the students in our school has increased four times

  compared with 1980.

  我們學校的學生人數比 1980 年增加了4倍。

  10. “… times +that of + 被比較對象”

  例如:

  In this workshop the output of July was three times that of January.

  這個車間七月份的產量是元月份的 3 倍。

  (三)用 again (一倍), double (兩倍), triple (三倍), fourfold (四倍)等詞表示倍數。

  例如:

  My Aunt is as old again as I am.

  我姑姑的年齡比我大一倍。

  The top-brand clothes are often sold as double the normal price here.

  這里名牌衣服的售價經常比正常的售價高一倍。

  以上就是小編為大家帶來的關于SAT考試的總結,希望對大家有所幫助。更多SAT考試成績查詢、SAT閱讀技巧等問題可以咨詢我們。

SAT數學題倍數的3類12種表達方法
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