【題目】12月22日前后,麗麗隨父母到國外旅游。她發(fā)現(xiàn)正午時這里的人們幾乎都沒有影子,她去的地方位于(  )

A.赤道附近B.南回歸線附近

C.北回歸線附近D.北極圈附近

【答案】B

【解析】

根據(jù)當(dāng)太陽光直射在南回歸線上時,這一天稱為冬至日,為1222日,北半球晝短夜長,北極圈以內(nèi)地區(qū)有極夜現(xiàn)象;當(dāng)太陽光直射在北回歸線上時,這一天稱為夏至日,為622日,北半球晝長夜短,北極圈以內(nèi)地區(qū)有極晝現(xiàn)象;當(dāng)太陽光第一次直射在赤道上時,這一天稱為春分日,為321日,全球晝夜平分;第二次直射在赤道上時為秋分日,為923日,全球晝夜平分,進行分析解答。

1222日是北半球的冬至日,此時太陽直射南回歸線,這里的人們幾乎都沒有影子說明該地位于南回歸線,此時是太陽直射現(xiàn)象。故選:B。

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