题目

某型号儿童蛋糕上半部分是半球，下半部分是圆锥，三视图如图，则该型号蛋糕的表面积 A．          B． C．          D． 答案：A14、Russia will soon return 174 sq km of territory on the northeast border to China,     ________more than 40 years of negotiations. A．ending               B．ended                C．to end           D．being ended