高中英语语法.as it seems likely中要it和不要it的区别是?

问问题,最好提供完整的句子.
你的这个问题,类似于：
As is known to us all, the earth goes around the sun.
正如我们大家都知道的那样,地球绕着太阳转.
As 引导非限制性定语从句,为关系代词,指代后面整句话的内容.
As it is known to us all, I don't want to repeat it.
由于这个我们大家都知道,我不想再说了.
As 为从属连词,引导原因状语从句.it指前面说起过的那件事情.意为：由于.
1.If, as seems likely, the IMF agrees a loan to Hungary, it will follow emergency lending from the European Central Bank.
如果像看似可能的那样,IMF同意向匈牙利提供贷款,它将跟随在欧洲央行的紧急贷款之后.

However, unlike Content-Types and subtypes, the creation of new Content-Transfer-Encoding values is explicitly and strongly discouraged, as it seems likely to hinder interoperability with little potential benefit.
有it的用法例句很少,我很不容易找到一个.专业性很强的句子.