英语倍数表达法PPT课件
合集下载
英语中倍数的表达方法 课件 24张PPTPPT下载
注：当相比的对象B很明显时，than （as，of）B常被省去。
2. Increase N times 句型有三种 变体：
increase to n times increase n times／n-fold
increase by n times/increase by a factor of n
slow down等词替代
英语中倍数的表达方法 课件 24张PPTPPT下载
英语中倍数的表达方法 课件 24张PPTPPT下载
第三组： There is a n-fold
decrease/reduction… 应译为：减 至1/n [或：减少（n一1）/n]。 Eg. A rapid decrease by a factor of 7 was observed． 发现迅速减少到 1/7。
英语中倍数的表 达方法和译法
表示倍数的词包括如下一些： times, 数字+fold, (tenfold), by the factor of 数字， （by the factor of 4 )
倍数增加的句型集合
1. Be N times 有三种句型变体： A is n times as great（long，
•
2对教育来说，阅读是最基础的教学手 段，教 育里最 关键、 最重要 的基石 就是阅 读。
•
3但是现在，我们的教育在一定程度上 ，还不 够重视 阅读， 尤其是 延伸阅 读和课 外阅读 。
•
4. “山不在高，有仙则名。水不在深 ，有龙 则灵” 四句， 简洁有 力，类 比“斯 是陋室 ，惟吾 德馨” ，说明 陋室也 可借高 尚之士 散发芬 芳
英语中倍数的表达方法 课件 24张PPTPPT下载
翻译练习
2. Increase N times 句型有三种 变体：
increase to n times increase n times／n-fold
increase by n times/increase by a factor of n
slow down等词替代
英语中倍数的表达方法 课件 24张PPTPPT下载
英语中倍数的表达方法 课件 24张PPTPPT下载
第三组： There is a n-fold
decrease/reduction… 应译为：减 至1/n [或：减少（n一1）/n]。 Eg. A rapid decrease by a factor of 7 was observed． 发现迅速减少到 1/7。
英语中倍数的表 达方法和译法
表示倍数的词包括如下一些： times, 数字+fold, (tenfold), by the factor of 数字， （by the factor of 4 )
倍数增加的句型集合
1. Be N times 有三种句型变体： A is n times as great（long，
•
2对教育来说，阅读是最基础的教学手 段，教 育里最 关键、 最重要 的基石 就是阅 读。
•
3但是现在，我们的教育在一定程度上 ，还不 够重视 阅读， 尤其是 延伸阅 读和课 外阅读 。
•
4. “山不在高，有仙则名。水不在深 ，有龙 则灵” 四句， 简洁有 力，类 比“斯 是陋室 ，惟吾 德馨” ，说明 陋室也 可借高 尚之士 散发芬 芳
英语中倍数的表达方法 课件 24张PPTPPT下载
翻译练习
英语倍数表达法PPT课件
• The number of the students in our school has increased for times compared with 1980.
• 我们学校的学生人数比 1980 年增加了 3 倍。
-
10
10.“… times + more ＋名词＋ than …” 例如： • He earns five times more money than
• A. as three times much • B. as much three times • C. much as three times • D. three times as much
-
19
-
13
exercises
1. Americans eat ___D_____ vegetable per person today as they did in 1910.
A. more than twice B. as twice as many C. twice as many as D. twice as much
• This hill is four times the height of that smal l one 这座山的高度是那座小山的四倍。（比那座小山 高三倍）
-
4
4.“The + 计量名词 + of + A + be + 倍数 + that + of + B ”
• The size of the newly broadened square is four times that of the previous one. 新扩建的广场为以前的四倍大。
• 我们学校的学生人数比 1980 年增加了 3 倍。
-
10
10.“… times + more ＋名词＋ than …” 例如： • He earns five times more money than
• A. as three times much • B. as much three times • C. much as three times • D. three times as much
-
19
-
13
exercises
1. Americans eat ___D_____ vegetable per person today as they did in 1910.
A. more than twice B. as twice as many C. twice as many as D. twice as much
• This hill is four times the height of that smal l one 这座山的高度是那座小山的四倍。（比那座小山 高三倍）
-
4
4.“The + 计量名词 + of + A + be + 倍数 + that + of + B ”
• The size of the newly broadened square is four times that of the previous one. 新扩建的广场为以前的四倍大。
英语中倍数的表达方法 课件 24张PPT
英语中倍数的表达方法 课件 24张PPT
英语中倍数的表达方法 课件 24张PPT
注：在这类句型中increase常被raise， grow，go/step up，multiply等词 所替代。
英语中倍数的表达方法 课件 24张PPT
英语中倍数的表达方法 课件 24张PPT
Increase by 句型翻译的证据 这一结构产生误解 的概率很高 往往误
Population has increased by 200 %in the past 25 years.
人口在过去 25 年内增加了 200 % (即增加两 倍) 。
its output of cotton went up by 20 percent. 它的棉花产量增长了20 % 。
英语中倍数的表达方法 课件 24张PPT
英语中倍数的表达方法 课件 24张PPT
英语中倍数的表达方法 课件 24张PPT
翻译练习
1.This book is three times as long as that one.
2. The dictionary is exactly five times more expensive than that one.
5. The drain voltage （漏电压） has been increased by a factor of four.
6. The output of chemical fertilizer has been raised five times as against l986．
英语中倍数的表达方法 课件 24张PPT
英语中倍数的表达方法 课件 24张PPT
7. If the resistance is doubled without changing the voltage ,the current becomes only half strong.
英语中倍数的表达方法 课件 24张PPT
注：在这类句型中increase常被raise， grow，go/step up，multiply等词 所替代。
英语中倍数的表达方法 课件 24张PPT
英语中倍数的表达方法 课件 24张PPT
Increase by 句型翻译的证据 这一结构产生误解 的概率很高 往往误
Population has increased by 200 %in the past 25 years.
人口在过去 25 年内增加了 200 % (即增加两 倍) 。
its output of cotton went up by 20 percent. 它的棉花产量增长了20 % 。
英语中倍数的表达方法 课件 24张PPT
英语中倍数的表达方法 课件 24张PPT
英语中倍数的表达方法 课件 24张PPT
翻译练习
1.This book is three times as long as that one.
2. The dictionary is exactly five times more expensive than that one.
5. The drain voltage （漏电压） has been increased by a factor of four.
6. The output of chemical fertilizer has been raised five times as against l986．
英语中倍数的表达方法 课件 24张PPT
英语中倍数的表达方法 课件 24张PPT
7. If the resistance is doubled without changing the voltage ,the current becomes only half strong.
英语倍数表达法课件
Special expressions for English multiple The structure of "multiple+more+noun+than"
Summary word: This structure is used to express how many times a quantity is greater than another quantity, and emphasizes that this quantity is less than another quantity.
Summary word: This structure is used to express how many times a quantity is equal to another quantity, and emphasizes that this quantity is equal to another quantity.
Avoid using inappropriate comparative structures
01
Comparison objects should have similarity: When comparing two objects, it is important to ensure that they have similarity in certain aspects for a reasonable comparison.
Detailed description
The basic form of this structure is "multiple+as+objective+as", where "multiple" represents a multiple, "as" is a conjunction, and "objective" is an adjective used to describe the properties of the compared object. "as" is followed by another compared object. For example, "two as high as" means "twice the height of...".
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• 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
• 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
59 percent higher than that of 1976. • 去年工业产值比 1976 年增长了 59 ％。 • My command of English is not half so
good as yours. • 我英语掌握得还不及你的一半儿好。
10
三、用 again （一倍）， double （两倍）， triple （三倍），
倍）。
8
• 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。 • Compared with last year, our coal output
3
3.“A + be + 倍数 + the + 计量名词 + of + B ”
• The newly broadened square is four times the size of the previous one. 新扩建的广场是未扩建时的四倍大。
• 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）
英语倍数表达法
1
一、用 times 表示倍数 1. “A + be + 倍数 + as + 计量形容词原级 +
as + B”。
• This tree is three times as tall as that one. 这棵树是那棵树的三倍高。
• His father is twice as old as he. 他父亲的年纪有他词 + of + A + be + 倍数 + that + of + B ”
• The size of the newly broadened square is four times that of the previous one. 新扩建的广场为以前的四倍大。
The height of this hill is four times that of t hat small one．
has increased by three times.
9
二、用分数、百分数表示倍数
• The box is one-third bigger than that one. • 这个盒子比那个盒子大三分之一。 • Last year the output value of industry was
last year. • 肉价是去年的两倍。
7
• 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
2
2. “A + be + 倍数 + 计量形容词比较级 + than +B”
• The Yangtze River is almost twice longer than the Pearl River. 长江差不多比珠江长两倍。
• The dictionary is exactly five times more expensive than that one. 这本字典比那本恰好贵5倍。
5
• 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。）
12
2. Paper produced every year is ___B____ the world's production of vehicles.
A. the three weight of B. three times the weight of C. as three times heavy as D. three times as heavier as
11
exercises
1. Americans eat ___D_____ vegetable per person today as they did in 1910.
A. more than twice B. as twice as many C. twice as many as D. twice as much
fourfold （四倍）等词表示倍数。
• My Aunt is as old again as I am. • 我姑姑的年龄比我大一倍。 • The top-brand clothes are often sold as double
the normal price here. • 这里名牌衣服的售价经常比正常的售价高一倍。 • The new work procedure tripled the output. • 新工艺使产量增加两倍。 • The output of grain increased fourfold. • 粮食产量增加了三倍。
• 他拥有的书的数量是他妹妹的 3 倍。
6
• 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
59 percent higher than that of 1976. • 去年工业产值比 1976 年增长了 59 ％。 • My command of English is not half so
good as yours. • 我英语掌握得还不及你的一半儿好。
10
三、用 again （一倍）， double （两倍）， triple （三倍），
倍）。
8
• 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。 • Compared with last year, our coal output
3
3.“A + be + 倍数 + the + 计量名词 + of + B ”
• The newly broadened square is four times the size of the previous one. 新扩建的广场是未扩建时的四倍大。
• 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）
英语倍数表达法
1
一、用 times 表示倍数 1. “A + be + 倍数 + as + 计量形容词原级 +
as + B”。
• This tree is three times as tall as that one. 这棵树是那棵树的三倍高。
• His father is twice as old as he. 他父亲的年纪有他词 + of + A + be + 倍数 + that + of + B ”
• The size of the newly broadened square is four times that of the previous one. 新扩建的广场为以前的四倍大。
The height of this hill is four times that of t hat small one．
has increased by three times.
9
二、用分数、百分数表示倍数
• The box is one-third bigger than that one. • 这个盒子比那个盒子大三分之一。 • Last year the output value of industry was
last year. • 肉价是去年的两倍。
7
• 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
2
2. “A + be + 倍数 + 计量形容词比较级 + than +B”
• The Yangtze River is almost twice longer than the Pearl River. 长江差不多比珠江长两倍。
• The dictionary is exactly five times more expensive than that one. 这本字典比那本恰好贵5倍。
5
• 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。）
12
2. Paper produced every year is ___B____ the world's production of vehicles.
A. the three weight of B. three times the weight of C. as three times heavy as D. three times as heavier as
11
exercises
1. Americans eat ___D_____ vegetable per person today as they did in 1910.
A. more than twice B. as twice as many C. twice as many as D. twice as much
fourfold （四倍）等词表示倍数。
• My Aunt is as old again as I am. • 我姑姑的年龄比我大一倍。 • The top-brand clothes are often sold as double
the normal price here. • 这里名牌衣服的售价经常比正常的售价高一倍。 • The new work procedure tripled the output. • 新工艺使产量增加两倍。 • The output of grain increased fourfold. • 粮食产量增加了三倍。