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【简答题】
二维随机变量 的联合分布函数 ,若 , ,则 (__) 。(答案四个字)
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】She will tell us why she feels so strongly that each of us has a role _____ in making the earth a better place to live.
A.
to have played
B.
played
C.
playing
D.
to play
【单选题】She will tell us why she feels so strongly that each of us has a role ________ in making the earth a better place to live. [ ]
A.
to have played
B.
to play
C.
to be played
D.
to be playing
【单选题】根据我国《教师法》，对教师的考核评估过程和结果的基本要求是（）
A.
客观、公正、准确，充分听取教师本人、其他教师以及家长的意见
B.
客观、民主、精确，充分听取教师本人、其他教师以及学生的意见
C.
客观、公正、准确，充分听取教师本人、其他教师以及学生的意见
D.
客观、公正、准确，充分听取教师本人及其他教师的意见
【单选题】She will tell us why she feels so strongly that each of us has a role _______ in making the earth a better place to live on. [ ]
A.
to have played
B.
to play
C.
to be played
D.
to be playing
【单选题】Each of us ________ a Chinese name. We each _________ an English name, too. [ ]
A.
has; has
B.
has; have
C.
have; has
D.
have; have
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