document.write('<a href="/art/2020/4/8/art_5470_214394.html" target="_self" title="尼日利亚首个大型金矿——塞吉罗拉金矿，奠基开工！">尼日利亚首个大型金矿——塞吉罗拉金矿，奠基开工！</a>');