题目

---I hear a traffic accident happened yesterday. Was it terrible? ---Yes, A car fell over and all the people in it were badly hurt. But luckily, __________of them were killed. A. neither          B. none           C. every          D. both 答案：B“瑞雪兆丰年”，其中雪是由空气中的水蒸气 （填物态变化）而形成的；“下雪不冷化雪冷”这是因为雪在融化时要 热量，导致环境温度降低．