题干
—Did you meet with the famous space hero，Nie Hai Sheng.
— I had come here earlier.
A：If only
B：If not
C：But for
D：For fear
答案(点此获取答案解析）
A
—Did you meet with the famous space hero，Nie Hai Sheng.
— I had come here earlier.
A：If only
B：If not
C：But for
D：For fear
的图象按向量a平移，使图上点P的坐标由（1，0）变为（2，2），则平移后图象的解析式为