平衡记分卡是一种针对组织层面的超越传统财务指标的组织绩效测量体系。（）
参考答案：对
We cannot figure out ______ quite a number of students were infected with the flu.
A．that
B．when
C．why
D．where
临时停钻机要将钻头退离孔底（）米以上。
A、0.5
B、1.0
C、1.5
