A.甲、丙 | B.乙 | C.甲、丙、乙 | D.丁 |
A.甲 | B.乙 | C.丙 | D.丁 |
A.20°E,160°W | B.20°S,160°W |
C.20°W,160°E | D.20°N,160°E |
A.北半球、西半球 | B.北半球、东半球 |
C.南半球、西半球 | D.南半球、东半球 |
A.30°S | B.30°N | C.30°W | D.30°E |
A.30°N,120°W | B.30°N,120°E | C.30°S,120°W | D.30°S,120°E |
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