What WhatsApp offered Facebook was an intricate and finely detailed web of its users’ friendships and social lives.

Whether the separation distances involved would satisfy air-traffic-control regulations is another matter…

位置

What Washington does – or doesn’t do – to promote alternative energy may mean less and less at a time of a global shift in thought.//句首

It surely seems plausible that happy people would be more forward-thinking and creative and lean

towards R&D

more than the

average…//句尾

主语从句的考研句型模板

it is done + 主语从句（表达人们对一件事的观点看法）

Ten years ago

on Monday, it was announced that the Games of the 30th Olympiad would be in London.

it is + adj/n + 主语从句（表达对一件事的评价）

So it’s not surprising that people are more stressed at home.**

Second, it is surely a good thing that the money and attention come to science rather than go elsewhere.

同位语从句

含义

一个句子做同位语，解释说明前面的名词