问题
选择题
如果黄赤交角不存在，下列哪种现象将不会产生？[ ]
A、太阳直射点的位置不变
B、大气运动方向永远不变
C、没有热带和寒带
D、气压带和风带的季节移动
答案
答案：D
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如果黄赤交角不存在，下列哪种现象将不会产生？[ ]
A、太阳直射点的位置不变
B、大气运动方向永远不变
C、没有热带和寒带
D、气压带和风带的季节移动
答案：D
Monday morning is an important time at our school. All of the students go to the playground. We listen to music, and we 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 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 me, "I know you want to have a try. Next Monday, you can give the talk. Go and write something down. for it, I'm sure you'll do well." "Thank you ," I answered, It was such a great 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 . I wanted to make my teacher happy. Monday morning came. I began to feel . When did I last give a talk to many people, never! This was my first time. Could I really it. Maybe I couldn’t finish the talk. When I got to school, we all went out to playground. I in front of everyone. I opened my mouth, but I couldn't say anything. "Take it easy," I said to . " 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 nearly couldn't . I looked at their eyes more carefully. Their eyes were saying , "You can do it! Don't be afraid, just talk !" I took a big . Then I began to talk. It wasn't hard. It was easy. I don't know I finished my talk. But I did it. I felt so good that day. I showed myself everyone what I can do.
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