【简答题】A.It is seriously polluted. B.The air is very clear. C.There are few cars and factories. D.It remains what it was ten years ago.
【单选题】It is a seriously ____ river.
【判断题】Where after the occurrence of a peril insured against the subject matter insured is lost or is so seriously damaged that it is completely deprived of its original structure and usage or the insured is...
【判断题】At first, the passengers think it is a practical joke and donot take it seriously.
【简答题】It is a seriously ______ (contamination) river.