string(289) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E5%B9%B4%E4%B8%8A%E6%B5%B7%E4%BA%8C%E5%BB%BA%E8%80%83%E8%AF%95%E9%A2%98%E7%9C%9F%E9%A2%98%E5%8F%8A%E7%AD%94%E6%A1%88 => Failed to connect to 101.89.143.195 port 38205: Connection refused"
2021年上海二建考试题真题及答案
