下图中a,b,c线为等压线,箭头表示A地风向,d,e线为等

       图中abc线为等压线,箭头表示A地风向,de线为等温线,gfh线为等高线。读图回答911题。

9.影响等温线de呈现东西延伸的主导因素是

       A.纬度                   B.海陆位置             C.地形                   D.人类活动

10.根据图中信息可以推断

       Aa<c                                                         B.从引水灌溉比有利

       Cd>e                                                         D.图中湖泊可能为咸水湖

11.若此时A地多云,即将迎来的天气变化可能为

       A.晴朗、气温升高、气压降低                      B.晴朗、气温降低、气压升高

       C.阴雨、气温降低、气压升高                     D.阴雨、气温升高、气压降低

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