题目

Information of the patient was checked. The shadow less lamp was on. All supplies needed for the operation were _______ . This was a typical _______ of a surgery. However, there was one more _______--- a piano. It was the first time ever in the world that a piano had _______ the operating room. My 15 colleagues and I were operating on a 10-year-old patient.Occupying a comer of the room, the grand piano was performed by Emiliano, a musician. To the _______ background of a piano played _______, we performed the surgery to remove a tumor(肿瘤) from the boy’s stomach. Everything went well. The一个几何体的三视图如图，该几何体的表面积为(  ) A．280 B．292 C．360 D．372