题目

   下图为某区城海平面气压形势图,图中天气系统正以每小时50 km的速度向东南方向移动.读图回答12-13题。 12.此时可能出现连续性降水的地方是 A.①           B.② C.③           D.④ 13. 4小时后,甲地天气状况的变化是 A.气温升高,风速增大          B.气温升高,风速减小 C.气温降低.风速减小           D.气温降低,风速增大读图,分析回答: (1)从图中提供的信息分析,舟山渔场发展海洋渔业的有利条件。                                                                                                                                                                                                                                                                                                                              (2)结合已学的气候和地形知识分析:A(长芦盐场)、B(布袋盐场)两个盐场的成因有什么不同?                                                                                                                                                                                                                                                                                                                              (3)盐是制碱的原料,请说说天津发展制碱的有利条件吗?                                                                                                                                                                                                                                                                                                                              
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