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【题目】一位外国游客来中国旅游后,感慨万分地说:“中国真是个自然风光差异大的国家啊!在短短的十天中,我没有登高,就感受到一年四季的变化”。据此完成下面小题。

1据此判断该游客最有可能乘坐的火车途径铁路干线是( )

A.陇海—兰新线B.宝成—成昆线C.京哈—京广线D.浙赣—湘黔线

2据此判断该游客最有可能到达的季节是( )

A.春季B.夏季C.秋季D.冬季

3以下列举国家中,该游客最不可能来自( )

A.美国B.冰岛C.埃及D.新加坡

4结合题意,推断出“一年四季的变化”的主要影响因素是( )

A.海拔高度B.纬度位置C.海陆位置D.洋流因素

【答案】

1C

2D

3A

4B

【解析】

1由题目可知,该外国游客在短短的时间时感受了四季变化,说明他乘坐的路线是南北走向的铁路线,东西走向的铁路线可以感觉干湿状况的差异,不能感受四季变化,以上四条铁路线中,只有京哈-京广符合题意,故选C。

2由题目可知,该游客在短短的时间里感受到四季的变化,说明此季节我国南北气温差异大,只有在冬季时才能体会到,其他季节我国南北温差小,故选D。

3由题目可知,该游客在短短的时间里感受四季变化,并且十分奇怪,说明该游客的家乡四季变化小,以上四个国家,美国四季变化大,冰岛、埃及和新加坡的四季变化小,可以判断该游客最不可能来自美国,故选A。

4由题意可知,该游客在不登高的情况下,短短十几天感受四季的变化,这是由于我国南北跨纬度广,冬季时南北气温差异大,与地形、海陆、洋流因素无关,故选B。

本题考查我国南北气候差异大的特点及原因。

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