“包装种类”栏应填（）。
A．冷轧不锈钢带
B．木箱
C．裸装
D．可以不填
参考答案：B
When _____ why he went there,he said he was sent there to be trained for a space flight. [ ]
A. asking
B. being asked
C. to ask
D. asked
在设备完好的情况下，物料方面，有哪些因素影响S-304正常运行？
