string(280) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E7%9B%91%E7%90%86%E5%B7%A5%E7%A8%8B%E5%B8%88%E8%AF%95%E9%A2%98%E7%AD%94%E6%A1%88%E5%8F%8A%E8%A7%A3%E6%9E%90 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
2021监理工程师试题答案及解析
