一个英语句子的语法问题The population of the town is double what it was then.这是个什么从句?double是形容词怎么可接宾语从句?不理解.

一个英语句子的语法问题The population of the town is double what it was then.这是个什么从句?double是形容词怎么可接宾语从句?不理解.
一个英语句子的语法问题
The population of the town is double what it was then.这是个什么从句?double是形容词怎么可接宾语从句?不理解.

一个英语句子的语法问题The population of the town is double what it was then.这是个什么从句?double是形容词怎么可接宾语从句?不理解.
what it was then不是double宾语从句.what it was then是名词短语.double是定语.这句话翻译成：这个城镇的人口数量是以前的两倍

double可以做名词使用呀，此处就是一个名词，表倍数

一对double population是一个
,它的用法有时较为特殊,所以很容易用错。下面谈一下它的用法。
一、population常与
the连用,作主语用时,
常用
形式。例如:
The world\'s population is increasing faster and faster. 全世界的人口增长得越来越快。
At th...

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一对double population是一个
,它的用法有时较为特殊,所以很容易用错。下面谈一下它的用法。
一、population常与
the连用,作主语用时,
常用
形式。例如:
The world\'s population is increasing faster and faster. 全世界的人口增长得越来越快。
At the beginning of the twentieth century, the world\'s population was about 1,700 million. 在
初,全世界的人口大约是十七亿。
二、当主语是表示\"人口的百分之几、几分之几\"时,
用复数形式。例如:
About seventy percent of the population in China are farmers. 中国大约有百分之七十的人口是农民。
三、有时population可用作可数名词,其前可用
。例如:
China has a population of about 1.3 billion. (=There is a population of about 1.3 billion in China.) 中国大约有十三亿人口。
New York is a big city with a population of over 10 million. 纽约是一个有一千多万人口的大城市。
在表示多个地区的人口时,population要用复数形式populations。例如:
Many parts of the world, which once had large populations and produced plenty of crops, have become deserts. 世界上很多地区一度人口众多,种植大量的农作物;现在,这些地区已经变成了沙漠。
四、表示人口的\"多\"或\"少\",不用\"much\"或\"little\",而要用\"large\"或\"small\"。例如:
India has a large population.
口众多。
Singapore has a small population.
口少。
五、询问某国、某地有多少人口时,不用\"How much...?\",而用\"How large...?\";在问具体人口时用\"What...?\"。例如:
-How large is the population of your hometown? 你们家乡有多少人口?
-The population of our hometown is nearly twice as large as that of yours. 我们家乡的人口是你们家乡人口的将近两倍。
-What is the population of Canada?
的人口有多少?
-The population of Canada is about 29 million.
的人口大约有二千九百万。
六、population还表示\"某地、某类的动、植物或物品的总数\"。例如:
In India, however, the population of tigers has increased, from 2,000 in 1972 to about 5,000 in 1989. 然而在印度,老虎的总数已从1972年的2,000只增长到了1989年的大约5,000只。http://zhidao.baidu.com/question/18957008.html?fr=ala0

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