string(339) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%8C%E7%BA%A7%E5%B8%82%E6%94%BF%E5%BB%BA%E9%80%A0%E5%B8%88%E5%AE%9E%E5%8A%A1%E8%80%83%E8%AF%95%E8%AF%95%E9%A2%98%E9%80%89%E6%8B%A9%E9%A2%98%E5%BE%97%E4%BA%8614%E5%88%86 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
二级市政建造师实务考试试题选择题得了14分
