string(269) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E4%B8%AD%E7%BA%A7%E4%BA%BA%E5%8A%9B%E7%BB%8F%E6%B5%8E%E5%B8%88%E7%9C%9F%E9%A2%98%E7%AD%94%E6%A1%88 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
2021中级人力经济师真题答案
