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【多选题】
What should teachers plan before the class?A.
Resources to be used
B.
Materials to be covered
C.
Activities to be organized
D.
After lesson reflection
E.
Aims to be achieved
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反馈参考答案：
举一反三
【单选题】在编制程序的时候，应该采纳的原则之一是__（1）__。开发软件时对提高开发人员工作效率至关重要的是__（2）__。软件工程中描述生命周期的瀑布模型一般包括计划、__（3）__、设计、编码、测试、维护等几个阶段，其中设计阶段通常又可以依次分为__（4）__和__（5）__两步。空白（5）处应选择（）
A.
数据结构设计
B.
详细设计
C.
概要设计
D.
数据库设计
E.
方案设计
F.
代码设计
【简答题】I am illiterate about such things.单词illiterate
【简答题】illiterate( )
【简答题】illiterate
【简答题】用友U8可以使用哪些数据库系统?
【简答题】n. a probability or chance for future success p_____
【单选题】Which of the following scenarios will yield a nonprobability sample?
A.
The subjects of the sample are chosen on the basis of known probability.
B.
Items or individuals are chosen without regard to their probability of occurrence.
C.
Every individual or item from the frame has an equal chance of being selected. Selection may be with replacement or without replacement.
D.
Decide on a sample size, n; divide the frame of N individuals into groups of k individuals where k = N/n; randomly select one individual from the first group; select every kth individual thereafter.
【单选题】If X is a binomial random with n = 8 and p = 0.6, what is the probability that X is less than or equal to 2?
A.
0.050
B.
0.009
C.
0.041
D.
0.375
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