题目

Why don’t you bring ______ to his attention that you are too busy to do it?  A. this                      B. what C. that                      D. it   答案：Dit 为形式宾语，真正的宾语是 that you are too busy to do it.7．如图，抛物线y2=2px（p＞0）和圆x2+y2-px=0，直线l经过抛物线的焦点，依次交抛物线与圆于A，B，C，D四点，|AB|•|CD|=2则p的值为（　　）A．$\frac{\sqrt{2}}{2}$B．1C．$\sqrt{2}$D．2$\sqrt{2}$