题目

--- What does the sentence “She’s blue today.” mean in English? --- It means that she is _____ today. A. happy              B. sad                C. quiet               D. unlucky 答案：B以下地区人口分布最为稀疏的是： [     ]A．长江中下游平原B．四川盆地C．山东半岛D．塔里木盆地