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Results from the US National Heart,Lung and Blood Institute'

来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:英语作业 时间:2024/06/26 01:31:32
Results from the US National Heart,Lung and Blood Institute's study found that the odds of a child being obese increase about 14% for every five extra years of their mother's age,though why this should be so is not entirely clear.
最后从why开始怎么理解呢,so 有相关例句最好了,
Results from the US National Heart,Lung and Blood Institute'
why引导原因状语从句,这个很常见.如:I still don't know why he has cheated on her.我现在还不知道为什么他要背叛她.
so代替前面(the odds of a child being obese increase about 14% for every five extra years of their mother's age)整句,就是这个现象.