问题
选择题
You don't need to look __________ every new word in your dictionary while reading.[ ]
A. for
B. at
C. after
D. up
答案
答案：D
搜题请搜索小程序“爱下问搜题”
You don't need to look __________ every new word in your dictionary while reading.[ ]
A. for
B. at
C. after
D. up
答案：D
某股票x在未来的情况预期如表1所示。
表1 股票X在三种股票市场情况下的收益情况
| 股票市场情况 | 熊市 | 正常 | 牛市 |
| 概率 | 0.2 | 0.5 | 0.3 |
| X的收益率 | -20% | 18% | 50% |
A．16%；24.33%
B．16%；25.65%
C．20%；24.33%
D．20%；25.65%