【題目】 2019年2月5日，科幻電影《流浪地球》在我國內(nèi)地正式上映�！读骼说厍颉分v述了未來太陽即將毀滅，人類開啟“流浪地球”計劃，與地球一起逃離太陽系，尋找新家園的故事。讀材料，完成下面小題。

【1】《流浪地球》開始在我國內(nèi)地上映時，濟(jì)寧市的晝夜長短情況是（ ）

A.晝長夜短B.晝短夜長C.晝夜等長D.出現(xiàn)極晝

【2】要實現(xiàn)地球“流浪”，首先要停止地球自身的旋轉(zhuǎn)運動，即停止（ ）

A.地球自轉(zhuǎn)﹣﹣圍繞地軸運動B.地球公轉(zhuǎn)﹣﹣圍繞地軸運動

C.地球自轉(zhuǎn)﹣﹣圍繞太陽運動D.地球公轉(zhuǎn)﹣﹣圍繞太陽運動

【答案】

【1】B

【2】A

【解析】

【1】2月5日地球位于公轉(zhuǎn)軌道上的冬至日與春分日之間，此時太陽直射點由南回歸線向赤道移動，山東省濟(jì)寧市晝短夜長，且晝漸長，夜?jié)u短。故選B。

【2】地球的自轉(zhuǎn)是地球繞著地軸不停地旋轉(zhuǎn)，自轉(zhuǎn)中心是地軸；自轉(zhuǎn)一周是一天；地球的公轉(zhuǎn)是地球繞著太陽不停地旋轉(zhuǎn)，地球公轉(zhuǎn)中心是太陽；故選項A正確，符合題意。故選A。

該題考查地球的運動及晝夜長短的變化，分析解答即可。

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