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【单选题】
SPSS输出结果保存时的文件扩展名是A.
.sav
B.
.dat
C.
.spv
D.
.sas
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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】下面关于直接兴趣和间接兴趣的说法，正确的是（）
A.
间接兴趣与直接兴趣相比，具有短暂性的特点
B.
间接兴趣在一定条件下可以转化为直接兴趣
C.
直接兴趣对人的作用更大些
D.
以上说法都正确
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