基督教认为国家是对罪的惩罚和补救。
参考答案：对
一个正数a的算术平方根减去2等于7，则a＝＿＿＿＿＿＿．
—When is the basketball game?
—It's ________ October 3rd.[ ]
A. in
B. on the
C. at
D. on
