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【单选题】
假设A股票指数与B股票指数有一定的相关性，A股票指数上涨概率为0.5，B股票指数上涨的概率为0.6，A股票指数上涨的情况下B股票指数上涨的概率为0.4，则同一时间段内这两个股票指数至少有一个上涨的概率是( )。A.
0.6
B.
0.7
C.
0.8
D.
0.9
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【简答题】关于辨证描述正确的是()
【单选题】In order to do better in the future, UCSD probably will make efforts in ________.
A.
encouraging more students to join the program
B.
helping the student sell their unwanted things outside the campus
C.
setting out donation boxes to collect more kinds of items
D.
finding more places other than parking lots
【简答题】As to the book The Power of Half, the author will probably __________． [A] encourage his kids to read it [B] ask his kids to keep away from it [C] read it in detail and again and again [D] hide it awa...
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