喷射混凝土护壁适用于（）的基坑。
A.稳定性不好、渗水量少
B.稳定性不好、渗水量多
C.稳定性好、渗水量少
D.稳定性好、渗水量多
参考答案：C
His brother _____ in the army for two years. [ ]
A. joined
B. took part
C. served
D. served for
反映近2～3月的血糖控制指标是
A．随机血糖B．果糖胺C．糖化血红蛋白D．尿糖
