具有促进基质中胶原降解、破坏（）
A.IL-6
B.IL-4
C.IL-8
D.IL-1
E.细胞黏附分子
参考答案：D
Every year _____ money and energy is spent on environment protection. [ ]
A. quantities of
B. a large number of
C. a large quantity of
D. a plenty of
纳税人有出租房屋房产税申报需要录入相应的房产税申报表。
