题目

My husband and I enjoy _______ photos. We always go out with our cameras. A. take                                                                             B. to take C. took                                                                                    D. taking18．二次函数y=ax2+bx+c（a≠0）的图象如图所示，则下列结论中错误的是（　　）A．a＜0B．b＜0C．c＞0D．图象过点（3，0）