完形填空
“What does 'doing the right thing' mean to you”? One Friday, my teacher asked our class to think about the question. We would hand in an article on it by Monday, and be prepared to do the things we will1.
The whole weekend, I was trying to think about something that would2my teacher and be easy to follow. I talked to my parents, called my grandmother and asked my neighbor. Everyone had good3 but I didn't think I could achieve them.
On Sunday afternoon, my parents said they were going to my Aunt Mary's house. That usually4that I would have to play with my four-year-old cousin Andrea5we visited. I showed her a cartoon, and then I sat down and started to write my article.
Soon I felt two 6 on me. It was Andrea. “What are you doing?” she asked. “I have to write an article about what 'doing the right thing' means to me.” I answered. Andrea laughed. “That's easy,” she said. “Doing the right thing means being7 to your family and friends. Never lie. Eat lots of fruit and vegetables. Take a bath when you're dirty.”
I looked at my little cousin with great 8.Then I jumped up and gave her the biggest hug. Not only had Andrea answered a very difficult question for me, but I could9follow them. All I had to do was to be nice, not to lie, to keep myself clean and healthy. So when I wrote my article, I10the story about Andrea and how she had answered my question.
Two weeks later, I received my article with an A+ and a little note written by my teacher: “Always do the right thing and give Andrea an A+, too!”
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2Z(g)；△H<0，在不同温度（T1和T2）下，产物Z的物质的量n与反应时间t的关系如图所示，则下列判断中正确的是（ ）
