问题
单项选择题
最早计算出圆周率的近似值的数学家是( )
A．祖冲之
B．张衡
C．欧拉
D．笛卡儿
答案
参考答案：A
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最早计算出圆周率的近似值的数学家是( )
A．祖冲之
B．张衡
C．欧拉
D．笛卡儿
参考答案：A
I was said to be the worst student in my class, and my family thought I was hopeless. I had to 16 grade six. at that time a new teacher, Miss Sadia, came to our school. One day after class, she 17 that I was staying alone during the lunch break. She came to me and began to talk to me. It was just a 18 conversation. After that day, she gave me particular 19 and it made me feel special(特别). I started to work hard because she gave me the feeling that 20 believed me , and my 21 started to improve(提高) in her subject. Months later, she moved into a house near my 22 . We would walk home together after school. Her constant (不断的 ) support helped me, 23 in my studies, as I knew she would 24 my grades both in her subject and the other subjects. I finally 25 second in my class. Then, after grade six, she started to slowly drift away（疏远） 26 still kept a constant(不断的) check on me. By the time I was in grade seven, we 27 spoke, but by then I had become the 28 in my class. When I left my school, I was 29 with her, as she never answered the 30 when I called her. Then I graduated and went to a good university. One fine day, our paths（路） 31 again. I met her at a wedding. I could not 32 asking her, "Why did you stop talking to me?" "You are a clever boy. I wanted you to be a tree 33 on your own roots, not depending on (依靠)others. Now here you are and I feel 34 of you. You are your inspiration and do not need to 35 a shoulder," she said. I could not say anything, but I smiled. I’ll always thank her .
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