问题
选择题
— Mary's score on the test is the highest in her class.
— Really? She ______ have studied very hard.
[ ]
A. may
B. ought to
C. must
D. should
答案
答案：C
搜题请搜索小程序“爱下问搜题”
— Mary's score on the test is the highest in her class.
— Really? She ______ have studied very hard.
[ ]
A. may
B. ought to
C. must
D. should
答案：C
大字公司2005年未有关数据如下：
单位：万元
| 项目 | 金额 | 项目 | 金额 |
| 货币资金 | 300 | 短期借款 | 300 |
| 短期投资 | 200 | 应付账款 | 200 |
| 应收票据 | 102 | 长期负债 | 600 |
| 应收账款 | 98 (年初 82) | 所有者权益 | 1025 (年初775) |
| 存货 | 480 (年初 480) | 主营业务收入 | 3000 |
| 待摊费用 | 20 | 主营业务成本 | 2400 |
| 固定资产净值 | 1286(年初 214) | 税前利润 | 90 |
| 无形资产 | 14 | 税后利润 | 54 |
| 比率各称 | 同行业科行水平 |
| 流动比率 | 2.0 |
| 速动比率 | 1.0 |
| 存货周转率 | 6次 |
| 应收长款周转天数 | 30天 |
| 资产负债率 | 40% |
| 销售净利率 | 10% |
| 总资产净利率 | 6% |
| 净资产收益率 | 10% |