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【题目】2019年8月30日,男篮世界杯在北京举行了盛大的开幕式,在直播开幕式时,中国解说员说:晚上好,而在同一时间转播开幕式的美国解说员却说:上午好,产生这种不同的主要原因是( )

A. 地球自转B. 纬度不同C. 地球公转D. 季节不同

【答案】A

【解析】

根据地球绕地轴不停转动,叫地球自转.地球自转的方向是自西向东,自转的周期是一天;地球自转产生的现象是昼夜交替和时间差异,进行分析解答。

地球自转产生的地理意义除了昼夜交替之外,还有时间的差异。随着地球的自转(自西向东),同一纬度地区,东边的时间早于西边的时间;故当2019830日,男篮世界杯在北京举行了盛大的开幕式,在直播开幕式时,中国解说员说:晚上好,而在同一时间转播开幕式的美国解说员却说:上午好。故选:A

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