...sses, who described the company as troubled from the top down and focused
more on profit than science or safety.这句话的as troubled的这个troubled 是过去分词吧,as 加过去分词这个中间是不是有省略is ?as troubled一起做状语修饰described吗?
Gas is a substance without a definite volume nor with a definite shape.改错正确答案为Gas is a substance without a definite volume nor a definite shape.那么这里可以用without a definite volume or a definite shape 吗?or和nor的区别是什么?感谢大家!!