题目

．The theory is true _______ the hotter a body is, the more energy it gives off. A．that                        B．when               C.  which                    D．what 答案：A调节天平时，首先将天平放在水平桌面上，再把游码移到标尺的零刻线处，若指针静止时指在分度盘的右侧，这时应将平衡螺母向________调节