建立或修改EXCEL工作表的名称时，可以把扩展名、xls丢掉。
参考答案：错
In the old days, they_______ in the factory from morning to evening. [ ]
A. were made to work
B. asked to work
C. made to work
D. were asked for work
为了塔身稳定，附着式塔式起重机塔身每隔( )高度左右用系杆与结构锚固。
A．附着式塔式起重机 B．爬升式塔式起重机C．轨道式塔式起重机 D．变幅式塔式起重机
