关于惯性，下列说法中正确的是：

已知等差数列{a_n}满足a₃=5，a₅﹣2a₂=3，又等比数列{b_n}中，b₁=3且公比q=3．

（Ⅰ）求数列{a_n}，{b_n}的通项公式；

（Ⅱ）若c_n=a_n+b_n，求数列{c_n}的前n项和S_n．

（Ⅰ）求椭圆C的方程；

（Ⅱ）当△AMN的面积为 $\frac{\sqrt{10}}{3}$ 时，求k的值．

在平面直角坐标系xoy中，⊙O的半径为4，点P的坐标为（3，4），则点P的位置为(     )

    Hello, boys and girls. I'm Danny. I'm tall. I'm fat. I can draw my teacher. Look, this is my teacher. He's a new teacher. He's Mr Wang. He's tall. He is big. He can play football and swim. He can ride a bicycle, too. Look at the bicycle. It's not red. It's green. It's new. I like his bicycle. Can you ride a bicycle?