1£®ÏÂÁйØÓÚ¾­ÏßµÄ˵·¨£¬ÕýÈ·µÄÊÇ

       A£®¾­Ïßָʾ¶«Î÷·½Ïò                        B£®Ã¿Ìõ¾­Ï߶¼×Ô³ÉÒ»¸öÔ²

       C£®µØÇòÒÇÉϾ­ÏßÓÐ360Ìõ                         D£®ËùÓо­Ïß³¤¶È¶¼ÏàµÈ

2£®ÓëµØÇò×ÔתÓйصÄ×ÔÈ»ÏÖÏóÊÇ

       A£®¼«Öç¡¢¼«Ò¹            B£®Ëļ¾¸üÌæ                C£®ÖçÒ¹¸üÌæ        D£®ÖçÒ¹³¤¶Ì±ä»¯

3£®Ï°¹ßÉÏ»®·Ö¶«Î÷°ëÇòµÄ·Ö½çÏßÊÇ

       A£®0°¾­ÏߺÍ180°¶È¾­Ïß                               B£®20°EºÍ160°W

       C£®0°¾­ÏßºÍ 0°Î³Ïß                                  D£®20°W ºÍ160°E