标题: 求教and可否连接两个句子 [打印本页] 作者: ayasin 时间: 2013-10-5 10:32 标题: 求教and可否连接两个句子 从杨鹏长难句中，它也是从GMAT RC中摘录的一句话，即
However, none of these high-technology methods are of any value if the sites to which they are applied have never mineralized, and to maximize the chances of discovery the explorer must therefore pay particular attention to selecting the ground formations most likely to be mineralized.