有关英语的问题So fast does light travel that it is difficult for us
1个回答

1.第一个句子是 so .that 引导的结果状语从句,把so 放句首句子用了部分倒装,所以句中出现了does .可以改写为 Light travels so fast that .

eg .So fast does he run that none of us can catch up with him

2.第二句是个强调句,其中的which 是关系代词,引导定语从句,修饰先行词training ,在从句中作had 的宾语.that 是强调 that .

3.第三句是强调句,强调时间状语.