①It is a fact that Stuart is ugly.与

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①It is a fact that Stuart is ugly.与
②It is suggested that more modern science and technology be added to textbooks.
为什么①that引导的是主语从句,a fact 在整个句子中做什么成分?
而②得that却引导的是宾语从句,怎么辨别的,suggested又是做什么成分,他们各自的it又是做什么成分?麻烦详解,

that Stuart is ugly is a fact
S 很丑,是个事实.
显然,是主语.
it 显然没有实际意义,只是形式主语.
它建议更多的科技要加入教材.
这个从句,是建议的宾语that more modern science and technology be added to textbooks.
自然是宾语从句.
跟上面不同：
it 显然是有实际意义的,是真正的主语.

①It is a fact that Stuart is ugly.与 it is a fact that +句子 that能去掉吗? it is a fact that和 that was a fact that的区别 it is all a result of the fact that It is strange that she ____ marry such an ugly man.A.would B It is a fact that there is a _____（一代）gap between parents an 33.It is a fact that there is a _______ towards regional coo 英语翻译it is a fact that the US is using up energy faster than It is a fact that English is being accepted as an internatio It is a fact that English is being accepted as an iternatina 英语翻译It is a surprising fact that the population ageing is pa it is a fact that English is accepted as an international la