旧漆层处理可采用（）。
A.水冲洗
B.蒸汽冲洗
C.机械法
D.碱液清除法
E.有机溶剂清除法
参考答案：C, D, E
You won't feel the _______ of so many trees if people continue to cut___________. [ ]
A. beautiful; them down
B. beauty; them down
C. beautiful; down them
D. beauty; down them
秘书的职责之一是服从上级，既然秘书要服从上级，那么即使发现上级有错误时也不能指出来。()
