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【判断题】
有甲乙两个盒子,每盒都有红球2只,3只;先从甲盒中随机取一球放入乙盒,再做不放回取样从乙盒中取出2球,则取到的两球是一红一白的概率是14/25。A.
正确
B.
错误
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举一反三
【单选题】It is evident that James has made a simple mistake in his job, but don' t scold him too much; he is a green hand.
A.
by contrast
B.
more of
C.
at random
D.
at best
【简答题】填词补文 low compared to personal another require running out of refers to economic positive limited Often referred to as green trans...
【简答题】D iscuss with your classmates whether there are any problems in the following letters and how you can improve them.then contrast your improved letters with the original ones. Dear sir: You can have a ...
【简答题】当某二线制电动液位变送器的被测液位为 25% 时,此时该变送器的输出为 __________mA 。
【简答题】Chinese young people are becoming more environmentally aware. The trend is significant enough to influence global business strategies, according to a report by Business Green, a digital publisher on e...
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