翻译:至大无外,谓之大一;至小无内,谓之小一。
参考答案:
“大一”是说整个空间大到无所不包,不再有外部;“小一”是说物质最小的单位,小到不可再分割,不再有内部。
I am delighted _____ as chairman of the students' union last winter. [ ]
A. to appoint
B. to be appointed
C. to have appointed
D. to have been appointed
计算:(-2)-2+2-2=______.