入伍训练阶段,新兵训练通常为3个月,业务训练与政治教育的时间比例为()。
参考答案:7:3
用所给词的适当形式填空(5分)
小题1:Look at the cloud in the sky. It ___________________ (rain).
小题2:The college student often (fix) computers for his neighbours.
小题3:Keep quiet! Our parents (plan ) a day to Hangzhou.
小题4:Why not wait for him _____________(call) us back?
小题5:She _____________(not check) your computer the day after tomorrow. She will be busy.
某机械厂生产某种型号零件需经三道工序制成,在产品成本的计算采用约当产量法。某月份投产500件(原材料在生产开始时一次性投入),完工产品400件,企业月末账面在产品成本为1000元,其他有关财务资料如表8-1和表8-2所示(计算按每步骤保留小数点后两位)。
根据上述资料,回答以下问题:
第一工序的完工率为()。
A.10%
B.20%
C.40%
D.100%