China is about the same size as America, but it has _____ a population.

China is about the same size as America, but it has _____ a population.

A
倍数的表达法
表示倍数时，一倍用once，两倍用twice/double，三倍以上用“基数词+ times”。
1）“倍数 + asmany/much … as …”
My classmateclamed to have twice as many stamps as I. 我同桌声称他的邮票是我的两倍。
Thiscomputer costs three times as much as that one. 这台计算机的价格是那台的三倍。
2）“倍数 + the size of …”
用法与size相同的名词常见的有weight（重量），height（高度），depth（深度），width（宽度），age（年龄），length（长度）等。
Ourplayground is five times the size of theirs. 我们的操场是他们的五倍大。
Thisstreet is twice/double the width of that one. 这条大街是那条大街的两倍宽。
3）“倍数 + what从句”
Thevalue of the house is double what it was. 这所房子的价值是原来的两倍。
People’saverage income is almost five times what they earned ten years ago. 人们的平均收入是十年前的五倍。
4）“倍数 + 比较级 + than”
The roomis twice larger than ours. 这间房子比我们的房子大两倍。
Thisball seats three times more people than that one. 这个大厅能坐的人数是那个大厅的四倍。
5）“比较级 + than … + by + 倍数/程度”
The lineis longer than that one by twice. 这根线是那根线的两倍长。
Thepopulation of China islarger than that of the USby over 6 times. 中国人口是美国人口的六倍多。
一般情况下我们用以下三种倍数表达方式：
①倍数用在as+形容词/副词（原级）+名词+ as结构之前
They have three times as many cows as we do. 他们拥有的奶牛是我们的三倍多。
②倍数放在形容词或副词的比较级之前或by + 倍数用在比较级之后
This rope is four times longer than that one.
They produced more products in 2009 than those in 2008 by twice. 2009年的产品是2008年的两倍
③倍数用在表示度量名词前，其基本结构为：倍数 + the + size /length / weight …+ of + 表示比较对象的名词，也可用于倍数 + what引导的从句中
This room is three times the size of that one.
The college is twice what it was 5 years ago.这个学院是5年前的两倍。
You can’t imagine that rats eat 40 to 50 times their weight.追问所以题干中的倍数表达法应该是哪种形式的……我没有在你所列里面找到追答1）“倍数 + asmany/much … as …”
因为说到人口的时候，需要用 large / small
所以，可以套用公式1