完形填空
In our daily life, we have too many things to deal with. It seems as if life is always tiring. However, whenever I feel1, I'm grateful to everything life2me and try to make the best of everyday. I learnt this attitude towards life from the story of my friend Joanne.
In middle school, Joanne was always 3 , with a big smile on her face, as if she was always4with what life offered her. But soon, things5changed. She passed away because of a serious6. Her smiles only exist in my memory. The last time I saw her in the hospital, she was terribly ill. However, she still7 a warm smile and was happy about my8. I prayed(祈祷)for her recovery.9 , she lost the battle against 10at last.
This made me think of another story. Maria and Jessie, who were good friends, had a big argument one day and they 11to talk to each other in the following months. Maria, who was deeply sorry for her 12words, intended to call Jessie to13first but don't have enough14to do it. feeling quite 15 , she asked her classmates for 16, and even consulted some of her teachers. For many times, she 17her phone but gave up at last.18 one afternoon, she got the news that Jessie had lost her life in a traffic accident.
The lesson I learned is that nobody can 19what will happen in the future. Anytime you feel upset or depressed, why don't you change your20and value every day!
NaCl＋N2↑＋2H2O，关于该反应的说法正确的是