are my friends.
A：These
B：This
“从此敢有帝制自为着，天下共击之。”这一现象说明辛亥革命（ ）
—It's just next to the post office over there.
圆锥的底面半径为8，母线长为9，则该圆锥的侧面积为（ ）．
