[题目]下图为甲地附近天气系统示意图.读图回答下列各题.[1]图中四点受暖气团控制的是( )A．①③ B．②④ C．①④ D．②③[2]下列叙述正确的是 ( )A．图中甲地盛行下沉气流 B．此图是北半球的锋面气旋C．②地吹偏南风.③地吹偏北风 D．③地出现连续性降水题目和参考答案——青夏教育精英家教网—

题目内容

【题目】下图为甲地附近天气系统示意图，读图回答下列各题。

【1】图中四点受暖气团控制的是（）

A．①③ B．②④ C．①④ D．②③

【2】下列叙述正确的是（）

A．图中甲地盛行下沉气流 B．此图是北半球的锋面气旋

C．②地吹偏南风，③地吹偏北风 D．③地出现连续性降水

【答案】

【1】A

【2】C

【解析】

试题分析：

【1】根据图中冷锋、暖锋的符号，结合所学锋面知识，冷锋是冷所团在推动前进，锋后②是冷空气，锋前①是暖空气。暖锋是暖空气推动冷空气前进，锋后③是暖空气，锋前④是冷空气。所以，图中四点受暖气团控制的是 ①③ ，A对。B、C、D错。

【2】图示天气系统应是锋面气旋，左侧是冷锋，右侧是暖锋。图中甲地是低压中心，盛行上升气流，A错。结合图中锋面移动方向，呈顺时针，判断此图是南半球的锋面气旋，B错。结合南半球气旋的气流方向分析，②地吹偏南风，③地吹偏北风，C对。③地在暖锋锋后，以晴天为主，D错。

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