string(339) "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%81%E5%A4%A9%E4%B8%80%E4%B8%AD%E5%AD%A62020%7E2021%E7%A7%8B%E5%AD%A6%E6%9C%9F%E6%9C%9F%E4%B8%AD%E8%80%83%E8%AF%95%E7%89%A9%E7%90%86%E7%AD%94%E6%A1%88 => Failed to connect to 14.116.215.7 port 38225: Connection refused"
江苏省天一中学2020~2021秋学期期中考试物理答案
