Question

上圖是北極圈上某地上空看到的地球12月22日的晝夜分布示意圖，C點為極點，陰影部分表示夜半球。讀圖回答。

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       

   （1）圖中各點，              點表示太陽直射點，該點的地理坐標為              。

（2）此刻，全球以              經線和              經線為界分屬兩個日期。北京時間是              時。

   （3）下圖中，與F點晝夜狀況吻合的是              。

   （4）120°E經線經過我國最大的城市群，試說明該城市群形成的有利條件。

Answer 1

（1）B（23°26′S，120°E）。

（2）60°W（或67.5°W）180°  12

（3）丙

（4）地勢平坦；氣候適宜；水源充足；交通便利；經濟發達；人口稠密；政策支持。