疏丝组织
参考答案：菌丝体纠结比较疏松，还可以看出菌丝的长形细胞，菌丝细胞大致平行排列，这种菌组织称为疏丝组织。
费用与成本是既有联系又有区别的两个概念，费用与特定计量对象相联系，而成本则与特定的会计期间相联系。( )
---Carl, why not go and help your sister water the flowers there?
---Why__________? I’m busy myself. Jack is lying on the grass doing nothing.
A．me
B．I
C．him
D．he
