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【简答题】
设随机变量 ,应用中心极限定理计算 ____.( )
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】听力原文：W: Does anybody here know anything about radios? M: Nobody here does. But I believe somebody in Class Three can fix radios. Q: What does the man mean? (10)
A.
Students in Class Three are listening to the radios.
B.
Students in Class Three can repair radios.
C.
Students here can repair radios.
D.
Students here are listening to the radios.
【单选题】扁桃体摘除术后再出血需手术止血时，关于麻醉处理的主要问题，下列叙述错误的是（）。
A.
正确估计失血量，纠正低血容量
B.
进一步寻找再出血的原因
C.
免用术前药
D.
一律清醒诱导
E.
诱导时按饱胃患者处理
【单选题】Does anybody know _______ on the ground?
A.
how long this plane will be
B.
how long will be this plane
C.
how long will this plane be
D.
that how long this plane will be
【简答题】按照所学知识,制作一份发文稿纸
【单选题】Does anybody ____ yourself know this?
A.
more than
B.
other than
C.
otherwise
D.
other way
【简答题】L298N 驱动电路如何驱动步进电机 2 相励磁正转?
【单选题】关于扁桃体摘除术后再出血手术的麻醉,错误的处理是
A.
正确估计失血量,纠正低血容量
B.
一律慢诱导
C.
诱导实施按保胃病人处理
D.
术前免用镇静药
E.
按实际情况选择麻醉
【单选题】'Does anybody want an extra ticket to go to the movies?' 'Who would you rather______ with you, George or me?'
A.
to go
B.
have go
C.
have gone
D.
going
【单选题】听力原文：W: Does anybody here know anything about radios? M: Nobody here does. But I believe somebody in Class Three can fix radios. Q: What does the man mean? (15)
A.
Students in Class Three are listening to the radios.
B.
Students in Class Three can repair radios.
C.
Students here can repair radios.
D.
Students here are listening to the radios.
【单选题】按照心理学家斯腾伯格等人的观点，人的认知结构由元成分、操作成分和知识获得成分这3种成分组成。其中元成分的作用是（）
A.
制定计划、选择策略及监控具体的过程
B.
信息的获得、提取和转换
C.
执行具体的加工过程，包括编码、联系和反应
D.
选取问题情境中有关的信息，忽略无关信息，并将新信息与记忆库中储存的知识相联系
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