Mary seems the bad news, for she looks nice and happy. [ ] A.not to have learned B.not to be hearing C.not having learned D.not to be heard
读所给两图.完成下列要求.(1)注出图中A.B两点的经度:A .B .(2)两点中位于东半球的是 .位于西半球的是 .(3)与A经线相对的那条经线的度数是 .与B经线相对的那条经线的度数是 .