甲、乙、丙是三个实验的示意图，根据图中所发生的化学反应现象及化学反应原理（表达式），进行总结归纳并回答下列问题：
（1）所发生的三个反应有多个共同的特点，分别是（只写三个即可）：A 、B 、C ；
（2）甲实验中，瓶底放少量水的原因是 。
都是化合反应 都与氧气反应 生成物都是氧化物 吸收二氧化硫，防止污染空气。
：（1）①硫、磷、铝与氧气的反应都属于化合反应．故填：都是化合反应．
②反应物中都有氧气参加．故填：都与氧气反应．
③二氧化硫、五氧化二磷和氧化铝都是由氧元素和另外一种元素组成的化合物，属于氧化物．故填：生成物都是氧化物．
（2）甲实验中，燃烧会生成二氧化硫，瓶底放少量水的原因是吸收二氧化硫，防止污染空气。
| 根据短文内容，从下框的A-F选项中选出能概括每一段主题的最佳选项。选项中有一项为多余项。 | |
A boy was born to a couple after eleven years of marriage. They were a loving couple and the boy was the apple of their eyes. When the boy was around two years old, one morning the husband saw a medicine bottle open. He was late for work so he asked his wife to cap the bottle and keep it in the cupboard. The mother, preoccupied in the kitchen, totally forgot the matter. 2._____ The boy saw the bottle and playfully went to the bottle and, fascinated with its colour, drank it all. It happened to be a poisonous medicine meant for adults in small dosages. When the child collapsed, the mother hurried him to the hospital, where he died. The mother was stunned. She was terrified how to face her husband. When the distrought father came to the hospital and saw the dead child, he looked at his wife and uttered just four words. What do you think were the four words? The husband just said "I love you darling". 3._____ The husband's totally unexpected reaction I proactive behavior. The child is dead. He can never be brought back to life. There is no point in finding fault with the mother. Besides, if only he had taken time to keep the bottle away, this would not have happened. No point in attaching blame. She had also lost her only child. What she needed at that moment was consolation and sympathy from the husband. That is what he gave her. 4._____ Sometimes we spend time asking who is responsible or who is to blame, whether in a relationship, in a job or with the people we know. We miss out some warmth in human relationship in giving each other support. After all, shouldn't forgiving someone we love be the easiest thing in the world to do? Treasure what you have. Don't multiply pain, anguish and suffering by holding on to forgiveness. 5._____ If everyone can look at life with this kind of perspective, there would be much fewer problems in the world. Take off all your envies, jealousies, unwillingness to forgive, selfishness, and fears and you will find things are actually not as difficult as you think. |