牙尖交错位时，只与一个牙相对的牙是（）
A.A
B.B
C.C
D.D
E.E
参考答案：D
评价巨噬细胞吞噬功能的两个重要指标是_____和_____。
Solid waste generation，and electricity and water consumption are costly and have their own set of environmental（）.
A.inspect
B.impairs
C.impacts
D.insects
