string(232) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=21%E5%B9%B4%E4%BA%8C%E5%BB%BA%E5%B8%82%E6%94%BF%E8%80%83%E8%AF%95%E7%AD%94%E6%A1%88 => Received HTTP code 403 from proxy after CONNECT"
21年二建市政考试答案
