乙醇等醇类物质都可以通过与浓硫酸在一定温度下反应生成烯烃。( )
参考答案：对
可以预测企业未来财务状况的分析方法是（）。
A.水平分析
B.垂直分析
C.趋势分析
D.比率分析
— What are you going to do this afternoon?
— I am going to the cinema with some friends. The film _____ quite early, so we ______ to the
bookstore after that. [ ]
A. finished; are going
B. finished; go
C. finishes; are going
D. finishes; go
