给后面的电流填上适当的单位:手电筒中的电流约为200_______,家用电冰箱的电流约为1_______。
mA,A
The news of her mother's death was a terrible _______ to her and her father. [ ]
A. honour
B. identity
C. shock
D. attitude
服务业具有产品无形、不可触、寿命长,服务与消费不同时进行,设施规模较大,质量容易度量等特点。()