string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BB%BF%E8%89%B2%E5%BB%BA%E7%AD%91%E8%AF%84%E4%BB%B7%E6%A0%87%E5%87%86%E8%80%83%E8%AF%95%E7%AD%94%E6%A1%88 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
绿色建筑评价标准考试答案
