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【单选题】
各样本观察值均加同一常数c后A.
样本均值不变，样本标准差改变
B.
样本均值改变，样本标准差不变
C.
两者均不变
D.
两者均改变
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皮皮学刷刷变学霸
举一反三
【单选题】The bank on the buyer's side under a collection arrangement is the_______.
A.
remitting bank
B.
collecting bank
C.
opening bank
D.
notifying bank
【简答题】执行循环语句 for i in range(1,9,2): print(i) 循环体执行的次数是【1】。
【单选题】患者,男性,34岁,突然昏迷,颈动脉摸不到搏动,处理时下列哪项是错误的
A.
立即进行胸外心脏按压
B.
心脏按压的同时行口对口人工呼吸
C.
输液及吸氧
D.
静脉给药
E.
检查心电图确定诊断后再处理
【简答题】翻译句子。 1. What does the little girl want to be? _____________________________ 2. I am very busy when people go out to dinner. ____________________________________
【单选题】The parents always kept the little girl out when the father was painting women without any clothes on, because ______.
A.
the girl wasn't old enough to understand what her father was doing
B.
the girl would follow the women's example
C.
the girl was too young to learn to paint
D.
the parents didn't want her to be interested in painting
【单选题】What does the little girl want to be when she grows up?
A.
salesperson
B.
scientist
C.
doctor
【单选题】关于脊神经哪项描述正确
A.
共有30对
B.
除胸2～11神经前支外，其余脊神经前支分别交织成丛
C.
后支只含躯体感觉纤维
D.
不管理脊髓被膜
E.
前支均借灰、白交通支与交感干相连
【单选题】关于脊神经哪项描述正确
A.
共有30对
B.
除胸2～11神经前支外，其余各脊神经前支分别交织成丛
C.
后支只含躯体感觉纤维
D.
不管理脊髓被膜
E.
前支均借灰、白交通支与交感干相连
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