初中英语中“倍数”的表达PPT课件
合集下载
相关主题
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
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。
sister (has).
倍英语中“倍数”的表达方式归纳 数
6. “… times + what 从句” 例如：
The length of the road is four times what it was three years 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。
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 year as
（ we did ） ten years ago. We‘ve produced twice as much cotton this year
as （ we did ） ten years ago.
He has got many books. He has got as many books as his sister (has). He has got three times as many books as his
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。
倍英语中“倍数”的表达方式归纳 数
7. “… times + up on （或 over ）…”例如：
The size of the sun is a million times over that of the 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）。
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。）
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. I've got about half the space I had at home and I'm paying _______ here. A. as three times much B. as much three times C. much as three times D. three times as much
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。
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。
Hale Waihona Puke Baidu
倍英语中“倍数”的表达方式归纳 数
4. “… times + more ＋名词＋ than …” 例如：
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。
sister (has).
倍英语中“倍数”的表达方式归纳 数
6. “… times + what 从句” 例如：
The length of the road is four times what it was three years 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。
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 year as
（ we did ） ten years ago. We‘ve produced twice as much cotton this year
as （ we did ） ten years ago.
He has got many books. He has got as many books as his sister (has). He has got three times as many books as his
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。
倍英语中“倍数”的表达方式归纳 数
7. “… times + up on （或 over ）…”例如：
The size of the sun is a million times over that of the 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）。
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。）
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. I've got about half the space I had at home and I'm paying _______ here. A. as three times much B. as much three times C. much as three times D. three times as much
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。
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。
Hale Waihona Puke Baidu
倍英语中“倍数”的表达方式归纳 数
4. “… times + more ＋名词＋ than …” 例如：