皮皮学，免费搜题
登录
搜题
【单选题】
设事件 {X=K} 表示在 n 次独立重复试验中恰好成功 K 次 , 则称随机变量 X 服从 ( )A.
两点分布
B.
二项分布
C.
泊松分布
D.
均匀分布
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】In all, 57 such trains are expected to be in ____ commercial operation by _____ end of 2009.A．t
A.
112. In all, 57 such trains are expected to be in ____ commercial operation by _____ end of 2009. A．the; the
B.
a; a
C.
/; the
D.
a; the
【简答题】You ’ d better meet Mike outside the teaching building. 2. Whether the will be played depends on the weather. 3. How about taking up some of your time to talk about our plan ? 4. Why not sign up ...
【单选题】Under the gold standard, __________ .
A.
each currency unit could be converted to a weight of gold
B.
the gold could be exported and imported with no restrictions
C.
gold coins could be freely minted
D.
all of the above
【简答题】从方框中选出最佳答案完成对话。 A. The weather will be fine. B. They are very nice, really? C. Why not? D. It will be very interesting. E. You may always sleep on it. Friend: Let's go to a baseball match tomorrow. 1 ...
【单选题】The classical gold standard
A.
Existed from early 1800's to early 1900's
B.
Did not allow for imports and exports of gold
C.
Led to the outflow of gold from surplus nations
D.
Led to the inflow of gold to deficit nations
相关题目：
参考解析：
知识点：
题目纠错 0
发布
