遥测装置应不受传输（）、传输状态、电源和电路（）的影响。
参考答案：距离；改变
In the last few years, great changes _________ in China. [ ]
A. were happened
B. have been happened
C. have happened
D. happened
为了便于出货员辨别货品归属客户或门店，点货上车，需要在（）按客户或门店分区，并标注客户名或门店名。
A.存储区
B.拣货区
C.出货暂存区
D.进货暂存区
