在GPS外业施测的过程中，天线的对中、整平和( )应符合精度要求。
A．调试
B．定位
C．定向
D．避雷功能
参考答案：C
筛窦的内侧壁为()
A．有上鼻甲和中鼻甲附着的鼻腔粘膜外侧壁上部
B．由泪管和纸样板构成的眼眶内侧壁
C．与筛板和眶顶连接的筛顶
D．额骨筛切迹、鼻骨嵴和上颌骨额突构成
E．由泪管和纸样板构成的眼眶外侧壁
He doesn't often agree with me. He thinks different from me.
A．different to
B．different with
C．differently from
D．differently to
