物料的开始生产时间是根据物料的需求时间和生产周期来确定的。()
参考答案:对
感染伤口的处理最佳方法是()
A.彻底清创后不予缝合
B.清创后一期缝合
C.清创后延期缝合
D.加强伤口换药
E.外敷药膏治疗
---Jack failed the driving test again.
---The question is_____ we can help him avoid making the same mistake.
A.how
B.why
C.what
D.whom