...ot as heavy as it was back ten years ago.2）These ideals were nurtured in me as far back as I can remember.麻烦老师解释一下以上2句子的back含义，词性，用法等，是否可以去掉back而不影响句意？我不明白2句中的back.
If I am overly dependent on you for my meaning and my survival, then I am not free to challenge our relationship; nor am I free to challenge and confront you. 这个 for 是不是和 It is adj for sb 是一样的，表示对什么对象的意思？
老师以上句子We will do it as he told us to后面为什么要用to?这个to好像用错了?下面从书上抄的类似的句子没有用to.You must do everything as I told you.以上第二个句子To tell the truth前面为什么要用to，是什么用法?
Our noses are capable of detecting human smells even when these are diluted to far below one part in one million. 请问to far below one part in one million 中的 far below 是复合介词吗?可是介词to后面一般不是不能跟介词吗？
...tive,of "deliberately misleading" a committee hearing last month when he told parliament that his firm did not use any Facebook data. 请问老师，a committee hearing 前是否缺少介词？ accuse sb of sth。
When the intern
method is invoked, if the pool already contains a string equal to this {@code
String} object as determined by the {@link #equals(Object)} method.这句话中，as是副词还是连词，应该怎么翻译成中文。这个as的作用是不是和which一样，只是指代？
And by the same organ we become mad and delirious, and fears and terrors assail us... All these things we endure from the brain when it is not healthy.省略号后面的句子是不是宾语前置的倒装句？
请问老师while在这里是什么用法？Its Intelligent Transport System tells drivers when roads are crowded,
while changing traffic lights and planning alternative routes that drivers can
follow.