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【单选题】
人民军队建设的宗旨是A.
党指挥枪的原则
B.
枪指挥党的原则
C.
全心全意为人民服务
D.
政治工作二原则
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举一反三
【简答题】What are the differences between qualitative and quantitative research? Explain the roles played by each.
【单选题】Our experimental results ________ the effectiveness of our approach to answer the qualitative and quantitative questions over Apps with at most demonic non-determinism.
A.
lead to
B.
cause
C.
demonstrate
D.
expose
【简答题】What is the difference between the Quantitative and Qualitative research?
【多选题】To differentiate qualitative and quantitative research, we could apply the following criteria:
A.
The general ideological orientation
B.
The method of data collection
C.
The nature of the collected data
D.
The method of data analysis and processing
【多选题】To differentiate qualitative and quantitative research, we could apply the following criteria:
A.
The general ideological orientation
B.
The method of data analysis and processing
C.
The nature of the collected data
D.
The method of data collection
【单选题】下列说法不正确的是（ ）
A.
任何矩阵经过若干次初等行变换一定可以化为行最简形
B.
矩阵与它的行最简形之间是等价的关系
C.
矩阵与它的行最简形之间是相等的关系
D.
当一个矩阵可以通过初等列变换化为单位阵时，它一定可逆
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