统计工作的步骤包括，除了
A．搜集资料B．统计设计C．分析资料D．整理资料E．得出结论
参考答案：E
— You look so upset, Jane. _____?
— I have been told my father has got skin cancer. [ ]
A. What's for
B. What's up
C. So what
D. How's up
最常用的担保方式是( )。
A．留置
B．质押
C．保证
D．定金
