问题
18,24,21,27,24,30,A.19 B.22 C.25 D.27
18,24,21,27,24,30,
A.19 B.22 C.25 D.27
请帮忙给出正确答案和分析,谢谢!
Fatal error: Uncaught [XSException] ../../../usr/local/xunsearch/sdk/php/lib/XS.php(2559): Connection refused(C#111, localhost:8384)
thrown in /usr/local/xunsearch/sdk/php/lib/XS.php on line 2559