What does the man want to buy for his
daughter?
A:A dictionary.
B:A mobile phone.
C:A toy bear.
如图,在平面直角坐标系xOy中,点A的坐标为(0,2),点B的坐标为(4,0),连接AB,作线段AB的垂直平分线l1,过点B作x轴的垂线l2,记l1,l2的交点为P.
下列大洲中,既有热带雨林气候又有寒带气候分布的是( )
如图,AB为⊙O直径,CD⊥AB,∠BDC=35°,则∠CAD=____