出纳员（窗口）处应保管的（）帐簿及凭证。
A.会计专用印章保管使用登记簿
B.查库登记簿
C.库存现金结数表
D.库存现金登记簿
参考答案：C
In our city, _______ middle school students want to work as a teacher in the future.[ ]
A. thousand
B. thousand of
C. thousands of
D. two thousand of
冷却硅整流元件时，冷却风速应大于（）。
A、3m／s
B、6m／s
C、9m／s
D、12m／s
