下列原理中，属于人员配备工作原理的是 ()。
C
暂无解析
Childrenhaveanatural________abouttheworldaroundthem.
Theirplanearrived________SanFranciscothismorning.
Ifyouarewalkingawayfromaclocktower，youwillhearthetickingoftheclockfadetoapoint________itcannotbeheard.
Whichofthefollowingispartiallyconverted?
Thiscarisveryexpensive.Youhavetopayhalfamilliondollars________it.