问题
单项选择题
在使用粉碎机时，要注意（）磨刀。
A、经常
B、适当
C、定时
D、及时
答案
参考答案：D
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在使用粉碎机时，要注意（）磨刀。
A、经常
B、适当
C、定时
D、及时
参考答案：D
Monday morning is an important time at our school. All of the students go to the playground. We listen to music, and we 1 the national flag 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 3 me, "I know you want to have a try. Next Monday, you can give the talk. Go and write something down. 4 for it, I'm sure you'll do well." "Thank you," I answered, It was such a great 5 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 6 . I wanted to make my teacher happy. Monday morning came. I began to feel 7 . When did I last give a talk to 8 many people? Never! This was my first time. Could I really 9 it ? Maybe I couldn't finish the talk. When I got to school, we all went out to playground. I 10 in front of everyone. I opened my mouth, but I couldn't say anything. "Take it easy," I said to 11 . "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 12 stand up. I looked at their eyes more carefully. Their eyes were saying, "You can do it! Don't be afraid, just talk!" I 13 a big breath. Then I began to talk. It wasn't hard. It was easy. I don't know 14 I finished my talk. But I did it. I felt so good that day. I showed myself 15 everyone what I can do.
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