题目

The company was named Gates Hall ______ a man named James Gates. A. in need of                B. in search of       C. with the help of          D. in memory of   答案：D下列图形中，外心在图形内的是 [　　] A．等腰三角形 B．直角三角形 C．等边三角形 D．钝角三角形