When I was nine years old, I loved to go fishing with my dad. But the only thing that wasn’t very fun about it was that he could catch many fish while I couldn’t catch anything. I usuall
25. ______, a small advertisement held my attention, which read “Easy job. Good wages. No experience necessary.” A. Looking through the newspaper B. While I was looking through
，1），将OA绕原点逆时针方向旋转90°得OB，则点B的坐标为 ．
）．