What we find out from space research is important for us on earth
The fact that we cannot travel faster than light means that it will take a long time to reach those planet
It is natural that they should have different views
The teacher showed us the controls of the spacecraft and explained how gravity worked
Like every schoolboy I had thought that going into space as an astronaut must be the best job in the world
The question people are asking is what the space programme is going to cost
名词性从句相当于名词,可分别作主句的主语、表语、宾语和同位语
因此,名词性从句可分为主语从句、表语从句、宾语从句和同位语从句
一、引导名词性从句的连接词1
连接代词: who , whose , whom , what , which有词义,在从句中担任成分,如主语、表语、宾语、或定语等
连接副词: when , where , why , how有词义,在从句中担任成分,作状语
连接词: that , whether , if , as if that 无词义,在从句中不担任成分,有时可省略; if ( whether ), as if 虽有词义,但在从