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我国南极长城站位于62°13'S,有极夜和极昼吗?()

A.无极夜、有极昼

B.有极夜、无极昼

C.没有极夜、也没有极昼r/>

D.南北极圈

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第1题
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C.正是极夜时期,风雪较小

D.正是“冬季”,处于昼短夜长的时期

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第2题
若东半球处于昼半球时,则下列现象正确的是()

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第3题
若东半球恰好为昼半球,下列说法正确的是 【 】

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第4题
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第5题
下列现象,哪些不是人为原因引起的 【 】

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第6题
下列现象不是由人为原因引起的是A.水库大坝附近的土壤次生盐碱化B.南极上空的臭氧层出现空洞C.我

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第7题
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C.纬度66°34′地区的极昼增长

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A.exciting

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