I will never forget the lesson about my window. Four years ago, I moved to a house in a large town. One of my new neighbors’ house was only a few feet away from mine. There lived a woman. Through one of my windows, I could see her reading by her window every afternoon.
Several months later, I found I couldn’t see the woman clearly. I thought her window was too dirty. I said to myself, “Why doesn’t she clean her window? It looks terrible!”
One afternoon, I decided to clean my house including the window. I felt tired after three hours of hard work. So I sat down by the window for a rest. What a surprise! I could see the woman reading there clearly again! By that time, I realized that my own window was too dirty, not hers! I really felt ashamed for myself. I had been watching her through my dirty window in the past days!
The experience is very important for me. So I try to clean the window of my heart before judging others.
小题1:How long has the writer lived in the house according to the passage?
A．One years
B．Two years.
C．Three years.
D．Four years.小题2:What did the woman do every afternoon?
A．Read by her window.
B．played tennis on the grass.
C．Danced in her house.
D．sang in front of the house.小题3:The writer couldn’t see the woman clearly because ______________.
A．the writer’s window was dirty
B．the woman’s house was too far
C．the woman didn’t open her window
D．there was something wrong with his eyes.小题4:The underlined word “ashamed” means _________________.
A．高兴的
B．放松的
C．羞愧的
D．自豪的小题5: According to the passage, the writer has learnt how to __________________.
A．clean the house
B．judge others
C．help neighbors
D．learn English
2NH3在10L密闭容器中进行，测得2min内，N2的物质的量由20mol减少到8mol，则2min内N2的平均反应速率为