题目

— Would you like me to show you the way? ---_________. A．No way                            B．Yes, you would . C．It’s right.                            D．That’s very kind of you. 答案：D小圆的半径是2cm，大圆的半径是3cm，小圆和大圆面积的比是 [     ]A．3：2    B．4：9    C．9：4