下列日常生活中的变化现象，属于缓慢氧化的是（    ）

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   Monday morning is an important time at our school. All of the students go to the playground.
   We listen to music, and we  1 the national flag(国旗) go up.
   Usually, one student gives a talk on Monday mornings. One Monday last year, a boy gave the talk. He was  2 and excited ! When I saw him, I wanted to have a try, too. Can I really do it?
   Last week, our teacher said our class should give the talk. My teacher 3me, "I know you want to have a try. Next Monday, you can give the talk. Go and write something down. Get ready for it, I'm sure you'll do well." "Thank you ," I answered, It was such a great  4 for me ! When I got home , I was excited. I wrote two pages for the talk. I read them again and again. When I read, I asked my parents  5  . I wanted to make my teacher happy.
   Monday morning came. I began to feel  6 When did I last give a talk to so many people ? Never! This was my first time. Could I really do it?  Maybe I couldn't finish the talk.
   When I got to school, we all went out to playground. I  7  in front of everyone. I opened my mouth, but I couldn't say anything. "Take it easy," I said to 8 . " Don't be nervous. You can do it."
   Just then, I looked down at everyone. I saw about 1,000 eyes. They were all looking at me ! I couldn't even stand up. I looked at their eyes more carefully. Their eyes were saying , "You can do it! Don't be afraid, just talk !" I  9a big breath(呼吸). Then I began to talk. It wasn't hard. It was easy. I don't know  10 I finished my talk. But I did it. I felt so good that day. I showed myself
to everyone what I can do.

前些年，农民张某从本村承包了20亩土地搞大棚种植，收入颇丰，国家土地流转政策落实后，张某将这20亩地转包给了李某，每年从李某处获得转包金。对农民张某的收入可这样认识（  ）

①前者属于按个体劳动者劳动成果分配，后者属于按生产要素分配②前者属于按劳动要素分配，后者属于按资本要素分配③前者属于按劳分配，后者属于按生产要素分配④前者属于劳动性收入，后者属于财产性收入