题目

任务型阅读 Long long ago，there was a man and his wife ________(1) worked for an old man. One day，the old man pointed to a big box in his living room and said，“There's only one thing you mustn't do: don't open this box.” After saying this，he left home. The woman said to his husband，“盒子里一定有一些昂贵的东西。(2) Let's open it，shall we？” Her husband didn't want to do that，but the woman didn't give up. A__few__days__later，the__woman__made__a__decision__to__find__out_ _what__was__in__the__box.(3) Before her husband could stop her，she opened th一个空间几何体的三视图如图所示，且这个空间几何体的所有顶点都在同一个球面上，则这个球的表面积是    ．