早材又称春材或心材，晚材又称秋材或边材。
参考答案：错
The young girl,________in a white uniform,showed me the way to the manager's office.[ ]
A. dressed
B. having dressed
C. dressing
D. being dressed
窗台低于( )时，应采取防护措施。
A．2m
B．0.8m
C．1.2m
D．1.5m
