问题
选择题
— What time did you finish your homework yesterday?
— _____ seven o'clock _____ the afternoon. [ ]
A. On; in
B. At; on
C. At; in
D. On; at
答案
答案：C
搜题请搜索小程序“爱下问搜题”
— What time did you finish your homework yesterday?
— _____ seven o'clock _____ the afternoon. [ ]
A. On; in
B. At; on
C. At; in
D. On; at
答案：C
B公司只生产一种产品，所得税税率为40%，其发行在外的股数为200股，其收益与经济环境状况有关，有关资料如下表所示。
| 经济情况 | 发生概率 | 销量(个) | 单价(元) | 单位变动成本(元) | 固定成本(元) | 利息(元) |
| 好 | 0.2 | 300 | 5 | 2 | 500 | 120 |
| 好 | 0.2 | 300 | 5 | 2 | 500 | 120 |
| 较差 | 0.2 | 200 | 5 | 2 | 500 | 120 |
计算该公司的经营杠杆系数、财务杠杆系数和复合杠杆系数。
