研究电磁感应现象的实验中,不需要使用的器材是 [ ]
A.磁体
B.电源
C.导线
D.电流表
答案:B
The coach asked his staff to ______ the large group of journalists waiting for him to announce his training plans. [ ]
A. adapt to
B. attend to
C. refer to
D. appeal to
要求编制全套财会报表的单位是()以上的机构
A、储蓄所
B、分理处
C、县支行
D、二级分行