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问题
单项选择题
发报译电作业，对收、发电单位和电文中的（）必须用括号围括。
A、数目字
B、标点符号
C、文字
D、汉字
答案
参考答案：A
选择题
— I don't think we have met before.
— Yes, once at a party, but we ______.
A. didn't introduce
B. weren't introduced
C. haven't introduced
D. weren't introducing
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问答题
如何评价刘秀加强皇权的措施
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