若材料用于生产产品,当所生产的产品没有减值,则材料期末按成本计量。
参考答案:对
--He hardly has any spare time for his hobbies, _________ he?
--________. He has too much homework to do every day.
A.does, No
B.does, Yes
C.has, No
D.hasn’t, Yes
氢系统着火如何处理?