初中英语中《倍数》表达课件.pptVIP

英语中“倍数”的表达方式归纳 倍数英语中“倍数”的表达方式归纳 The house rent is expensive. Ive got about half the space I had at home and Im paying _______ here.A. as three times muchB. as much three timesC. much as three timesD. three times as much 正确答案为 D 倍英语中“倍数”的表达方式归纳数 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： 1. “… times ＋形容词 / 副词的比较级＋ than …”例如： Line AB is three times longer than line CD.线段 AB 是（线段） CD 的三倍长。This hall is five times bigger than our classroom.这个大厅比我们的教室大 5 倍。 Line AB is long. Line AB is longer than line CD. Line AB is three times longer than line CD. This hall big. This hall bigger than our classroom. This hall is five times bigger than our classroom. 倍英语中“倍数”的表达方式归纳数 2. “… times +as + 形容词 / 副词的原级＋ as …” 例如： This table 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 as the 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。 This table is long. This table is as long as that one (is). This table is three times as long as that one (is). This dictionary thick. This dictionary is as thick as that one (is). This dictionary is five times as thick as that one (is). This dictionary is five times as thick as the one you borrowed from the library (is). 倍英语中“倍数”的表达方式归纳数 3. “… times + the + 名词（如： size， height， weight， length， width 等）＋ of …” 例如： 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.这条河是那条河的三倍深。 倍英语中“倍数”的表达方式归纳数 4. “… times + more ＋名词＋ than …” 例如： He earns five times more money than he did ten years ago.他现在挣的钱比十年前挣的多 5 倍。There are twice more students in our class than in theirs.我们班的学生人数比他们班多两倍。 倍英语中“倍数”的表达方式归纳数 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。 We‘ve produced much cotton this year We‘ve produced as much cotton this yea