题目:
从何时起阿拉伯数字的写法与现在写法一致[ ]
A.14世纪
B.15世纪
C.16世纪
D.17世纪
答案:
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I am an 18-year old middle school student. I have been busy with my study and seldom helped my parents with the housework. Feeling quite sorry for that, I begin to th...