string(343) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B1%9F%E8%8B%8F%E7%9C%812021%E5%B9%B4%E4%BA%8C%E7%BA%A7%E5%BB%BA%E9%80%A0%E5%B8%88%E6%9C%BA%E7%94%B5%E5%AE%9E%E5%8A%A1%E8%80%83%E8%AF%95%E7%AD%94%E9%A2%98%E6%A8%A1%E6%8B%9F => Failed to connect to 101.89.159.206 port 38087: Connection refused"
江苏省2021年二级建造师机电实务考试答题模拟
