题目内容

【题目】读图，回答下面小题。

【1】甲、乙、丙三艘船沿着箭头方向同时驶向180°经线，若时速相同，则：

A. 同时到达 B. 到达的先后顺序是甲、乙、丙

C. 丙先到达 D. 到达的先后顺序是甲、丙、乙

【2】下列叙述正确的：

A. 甲位于乙的正南方向 B. 乙所在经线长度比丙所在的经线长度要长

C. 丙在甲的西南方向 D. 乙所在纬线与丙所在纬线相距约为2608.5千米

【答案】

【1】 D

【2】 D

【解析】

【1】若轮船的时速相同,距离180°经线较远,到达的时间越晚。读图可知，甲、乙和丙三地的纬度位置不同，纬度越低，相同経度差的纬线越长，比较甲、乙和丙三地距离180°经线的距离可知，甲、乙、丙三艘轮船到达的先后顺序是甲、丙、乙，故答案选D。

【2】根据在经纬网地图上，纬线指示东西方向，经线指示南北方向，读图可知，甲位于乙的正北方向；丙在甲的东南方向；乙所在经线长度与丙所在的经线长度相等；乙所在纬度与丙所在纬度相差23.5°，相距约为23.5×111千米=2608.5千米，故答案选D。

该题主要考查的是经纬线的特点和方向，要求学生具有较强的读图分析问题的能力。

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