But the difficulty is that by the time children reach school age, there are so many other influences that it is almost i
问题描述：
But the difficulty is that by the time children reach school age, there are so many other influences that it is almost impossible to tell whether girls are worse at science and maths, or whether they've been brought up to think of these subjects as
boys' terrttory.
请帮忙分析一下句子结构!详细点!中英文双语更好!谢谢!
答
第一个that引导的从句是表语从句,第二个that引导的从句是定语从句,修饰先行词influences．定语从句中的it是形式主语,to tell...是真正的主语 ,tell的宾语是两个whether引导的从句．
这个句子太长了呵．翻译就不必了,理清了句子结构自己翻译应该会了吧．