库房盘存发生盈余时，要及时查明原因，核实盈余品种及数量后，编报“邮资票品盘存调账报告表”一式三联。
参考答案：对
句型转换。
1. It's Wednesday today. (就画线部分提问)
_______ _______ _______it today?
2. It was December 8th yesterday. (就画线部分提问)
_______ was the _______ yesterday?
3. It's Thursday the 10th tomorrow. (就画线部分提问)
_______tomorrow ?
4. I asked my good friend to come to tea last night. (改为同义句)
I_______ my good friend_______ _______ to tea last night.
专利无效宣告的效力是：（）。
A.该专利自始无效
B.该专利自宣告之日起无效
C.该专利自提出专利无效请求之日起无效
