在平面直角坐标系xOy中,点P在曲线C:y=x3-10x+3上,且在第二象限内,已知曲线C在点P处的切线的斜率为2,则点P的坐标为( )。
(-2,15)
the patient’s progress was encouraging as he could ______ get out of bed without help.
A.nearly
B.only
C.hardly
D.badly
与十进制数291等值的十六进制数为
A.123
B.213
C.231
D.132