A long scentence that I can not uderstand in the sentence "it was something about being part of the same nation on an equal footing." What does the scentence mean?It here related to tension between diffirent religions and ethnics. the artical said that the tension is not about belief. I thought the scentence mean "it is about equality". but I still can't understand why the scentence express in this way. what is "being part of"? why say "the same nation"?PS2: does that mean they expect to get equal treat when they compose the nation. the equality is inside the nation, not between contries.

英语的时态问题，被动与主动 Bystanders, _______, _________ as they walked past lines of ambulances. a、bloody and covered with dust, looking dazed B. bloodied and covered with dust, looked dazed bloody是形容词，在这里不是很好吗？为什么选B，被动语态呢？

in the dead of the winter What does this sentence mean "The lady who has put him up for a night in the dead of the winter later turned out to be a distant relation of his."?

So many "at least", which confused me. I have read this from a Patent, and was confused. "(a1) at least two surfactants, at least one of the surfactants being a sulphurized or non-sulphurized phenol or a derivative thereof and the other, or at least one other, of the suifactants being a suifactant other than a phenol suifactant;" I considered that there are "at least" two suifactants, "at least" one phenol(why it said that "sulphurized" or "non-sulphurized", read like nonsense) and "at least" not a phenol surfactant.