mapbasic中select查询时列名如果在变量中咋整啊

<P>作业中需要查询表,现在列名必须通过一个变量存储,在SELECT时总是得到一个奇怪的_var_的列.请大家帮帮忙啊!马上开学啦!</P>
<P><a href="mailtkangminjie@sina.com" target="_blank" >kangminjie@sina.com</A>请指教啊!</P><img src="images/post/smile/dvbbs/em12.gif" /><img src="images/post/smile/dvbbs/em12.gif" /><img src="images/post/smile/dvbbs/em12.gif" /><img src="images/post/smile/dvbbs/em12.gif" />