新投运或改造后的Ⅰ、Ⅱ、Ⅲ、Ⅳ类高压电能计量装臵应在（）内进行首次现场检验。
A.15天
B.一个月
C.20天
D.二个月
参考答案：B
The wedding ceremony is unique ____the minority tribe, which attracts many tourists when the
time comes. [ ]
A. to
B. for
C. in
D. of
请简述组件装配应检查哪两项内容？
