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【单选题】
设随机变量 的分布列为 则 等于 （ ）A.
B.
C.
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The first paragraph of this passage is ______.
A.
a first person account
B.
a dramatic account
C.
an understatement
D.
a scientific finding
【单选题】Moyan is the first Chinese person ________ the Nobel Prize in Literature. It’s the first time the Chinese people _________ such great achievements in this field.
A.
to win; have achieved
B.
to win; to achieve
C.
has won; have achieved
D.
has won; to achieve
【单选题】What did the man claim to be?
A.
The first person to climb Nanga Parbat alone.
B.
The first person to climb the Himalayas with the Alpine style.
C.
The first person to reach the highest point of the Himalayas.
D.
The first person to climb the Himalayas in winter.
【单选题】社区护士在传染病防治中的主要工作不包括
A.
传染病相关知识的健康教育
B.
社区传染病患者的管理
C.
阻止传染病蔓延
D.
排除可能发生的隐患
E.
社区传染病患者的护理
【单选题】Do liars use more first person or third person pronouns?
A.
first person
B.
third person
C.
equal ratio
【简答题】According to the police, the wanted person will probably first go to______ .
【单选题】房地产组合投资管理的主要工作不包括( )。
A.
制定并执行组合投资策略
B.
与投资者沟通并制定组合投资的目标和投资准则
C.
评估资产管理公司的表现
D.
设计和调整房地产资产的资本结构
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