A:﹣3,5
B:﹣5,3
C:{﹣3,5}
D:{﹣5,3}
_____ do you think_____ this new house?
请根据下列实验装置图回答有关问题:
— Oh, I’m feeling tired and sleepy now.
在平面直角坐标系xOy中,已知曲线 C:{x=3cosαy=sinα (α为参数),直线l:x﹣y﹣6=0.