【单选题】【消耗次数：1】
所谓标准化访问也称（ ），它是按照事先设计好的，有一定结构的访问问卷进行访问，整个访问过程是在高度控制下进行的。
①
有结构访问
②
无结构访问
③
系统访问
④
电视访问
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【简答题】
通过变量的地址进行的访问，称为[填空1]访问。
【简答题】
直接按变量名进行的访问，称为[填空1]访问。
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