问题标题：
Arecentmedicalstudyindicatesthatpeoplewhodon'tgetenoughsleepare____likelytodieofheartdiseaseasthosewhogetenoughsleepAmorethantwiceasBtwiceasmorethanCtwicemorethanasDasmorethantwice答案是A的为什么
问题描述：
Arecentmedicalstudyindicatesthatpeoplewhodon'tgetenoughsleepare____likelytodieofheartdiseaseasthosewhogetenoughsleep
Amorethantwiceas
Btwiceasmorethan
Ctwicemorethanas
Dasmorethantwice
答案是A的为什么
白欣回答：
这个句子看起来复杂,其实原理很简单.咱们先来给简单的句子看一下.
他和我一样有钱：Heisasrichasme
他比我有钱两倍：Heistwiceasrichasme
上面这两个简单的句子,意思是,表示倍数的单词,放在as的前面.
上面说了是……的两倍的表达为：twiceas……as……
那如果表达是……的两倍以上为：morethantwiceas……as……
他比我有钱两倍还要多：Heismorethantwiceasrichasme.
明白了这种比较级的先后顺序,再看原题就简单了.
原句也可以这样一步步增加倍数如下：
peoplearelikelytodie
peopleareaslikelytodieasthose
peoplearetwiceaslikelytodieasthose
peoplearemorethantwiceaslikelytodieasthose.
我只写了句子的主干,
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