肋间动脉从什么血管发出来()
A.肺动脉
B.升主动脉
C.胸主动脉
D.锁骨下动脉
E.胸廓内动脉
参考答案:C
同义句转换
1. He helped us to establish a new company.
He_ ___us______ establishing a new company.
2. The little boy is pleased to give his father assistance in cleaning the car.
The little boy is pleased to____ his father cleaning the car.
甲公司对A产品实行1个月内“包退、包换、包修”的销售政策。2005年1月份销售A产品100件,2月份销售A产品80件,A产品的销售单价均为5 000元。根据2004年的经验,A产品包退的占4%、包换的占2%、包修的占6%。假设2005年2月份未出现退、换产品的情况,则甲公司2月份应确认A产品的销售收入为( )元。
A.352 000
B.400 000
C.404 000
D.406 000