速遣按节省的（）计算，表明速遣时间中扣除星期天、节假日。
参考答案：全部工作时间
根据所给图片，填入合适的介词补全句子。
1. The picture is ______________ the bed.
2. The slippers are ______________ the bed.
3. The TV is ______________ ______________ the bed.
4. The dresser is ______________ the bed.
GPS卫星导航系统共设置（）颗GPS卫星，分布在（）个轨道上。
A．21+3；8
B．18+3；6
C．21+3；6
D．18+3；8
The picture is ______________ the bed. 
The slippers are ______________ the bed. 
The TV is ______________ ______________ the bed. 
The dresser is ______________ the bed.