这里两个从句都是同位语从句么?Mercury'svelocityissomuchgreaterthantheEarth'sthatitcompletesmorethanfourrevolutionsaroundtheSuninthetimeittakestheEarthtocompleteone.这里两个从句“thatitcompletesmoret

Question

这里两个从句都是同位语从句么?
Mercury's velocity is so much greater than the Earth's that it completes more than four revolutions around the Sun in the time it takes the Earth to complete one.这里两个从句“that it completes more than four revolutions .”“it takes the Earth to complete one”都是同位语从句么?怎么第一个没有省略“that”,第二个省略了“that”?

Answer 1

都不是同位语从句!
第一个是 so ...that 结构
第二个是定语从句 先行词time 不做时间讲时,关系代词可以省略.