“We Chinese people always put emphasis on the friendly relationships ______ the people of all countries.” said the Ambassador. A. with B. under C. to D. between 答案:D下列说法:①一个圆仅有一个内接三角形;②等腰三角形的外心一定在三角形内;③弦是圆的一部分;④三角形任意两边的垂直平分线的交点就是这个三角形的外心,其中正确的有A.0个B.1个C.2个D.3个