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【单选题】
在检验不服从正态分布的配对数据的总体均值是否相等时，应用检验方法是：A.
t检验
B.
F检验
C.
c2检验
D.
符号检验
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【简答题】根据句意及首字母提示写单词。 1. My bike b______ down, so I had to walk to school. 2. His sister is going to m______ a Frenchman next week. 3. Please take the e_ bottle away and bring me a full one. 4. She spok...
【简答题】Choose the correct word form to complete each sentence. 1. The store sold a wide of chocolates from all over the world. (various) 2. My sister waited a week to tell us about her . (pregnant) 3. The of...
【简答题】完形填空。 Look! __ 1 __ is a picture of my sister. __ 2 __ is a middle school student. My sister __ 3 __ to school early. Her school is not far from our home. It takes only fif minutes to go to sch...
【单选题】为什么比夫说他父亲虚伪?
A.
因为他知道父亲推销手段的奸诈
B.
因为他认为父亲对家庭不负责任
C.
因为他觉得父亲没有让他们过上好日子
D.
因为他发现了父亲在外面有情人
【简答题】句型转换。 1. My sister does housework every day.(变为否定句) My sister ______ ______ housework every day. 2. Is his name Jack? (作肯定回答) Yes, ______ ______. 3. They are American cars.(改为单数) ______ ______ ______ ...
【简答题】“云”可以理解成互联网中的计算机群、这个群可以包括几万台计算机、也可以包括上百万台计算机。“云”中的资源在使用者看来是__。
【简答题】在构成教育活动的基本要素中，_____是学习的主体。
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