string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%96%B0%E7%96%86%E4%BA%8C%E5%BB%BA%E8%AF%95%E5%8D%B7%E7%AD%94%E6%A1%88 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
新疆二建试卷答案
