新设备投运前(),监控中心(变电站)应从生产MIS台帐模块内完成新投设备的间隔录入工作,运行工区做好监督检查。
A.1天
B.2天
C.3天
D.4天
参考答案:C
The boy sitting by the window is the only one of the students who _______ from the countryside in our school.
A.are
B.is
C.were
D.was
电体操疗法治疗作用