确定培训计划的最重要的依据是（）
A、培训范围
B、培训人员
C、培训方法
D、培训需求
参考答案：D
—I saw Lucy go to Miss Zhang's home just now.
—Yes, she is often seen Miss Zhang with her housework. [ ]
A. help
B. to help
C. helping
IT系统中“T”表示电气设备金属外壳不接地。第五章
