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【单选题】
给偏远山区留守儿童设计的移动学习课程项目属于以下哪一种移动学习及相应教学设计要点?A.
高交互距离和社会移动学习活动
B.
高交互距离和个人移动学习活动
C.
低交互距离和社会移动学习活动
D.
低交互距离与个性化移动学习活动
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】设f(x),g(x)∈F[x],若f(x)=0则有()。
A.
deg(f(x)g(x))>max{degf(x),degg(x)}
B.
deg(f(x)+g(x))=max{degf(x),degg(x)}
C.
deg(f(x)+g(x))>max{degf(x),degg(x)}
D.
deg(f(x)g(x))
【单选题】Which of the following organ or part of the central nervous system accounts for more than 50% of the total number of neurons located in the entire brain?
A.
the cerebellum
B.
the pons
C.
hypothalamus
D.
thalamus
【单选题】设f(x),g(x)∈F[x]，若f(x)=0则有什么成立?
A.
deg(f(x)g(x))
B.
deg(f(x)g(x))>max{degf(x),degg(x)}
C.
deg(f(x)+g(x))>max{degf(x),degg(x)}
D.
deg(f(x)+g(x))=max{degf(x),degg(x)}
【简答题】the total number of people who have been killed or hurt ( )
【单选题】The total number of users or customers an e-commerce business can obtain is a measure of which of the following？
A.
ubiquity
B.
interactivity
C.
reach
D.
information density
【判断题】The predicted number to be sold is simply the quantity of a specific food or beverage item likely to be sold given an estimate of the total number of guests expected to be served.
A.
正确
B.
错误
【简答题】混凝土拌和机按拌和原理的不同分为( )A. 自落式; B. 拌和式; C. 强制式; D. 鼓筒式
【判断题】True or False: The relative frequency is the frequency in each class divided by the total number of observations.
A.
正确
B.
错误
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