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【题目】目前我国在南极洲已经建立了3个科学考察站。根据所学知识,回答24~25题。

【1】我国南极科学考察站的建站时间都选择在1月至2月的主要原因是

A.此时是南极的暖季,白昼长

B.此时南极最为寒冷,冰层坚硬,地基牢固

C.此时南极冰雪全部融化,地面裸露,方便选址

D.此时南极出现极夜现象,风雪小

【2】保护与和平利用地球上最后一片净土——南极洲,下面做法正确的是

A.建设居民点,大量移民

B.南极地区矿产资源丰富,应大力开采

C.可以大规模捕鲸,丰富食物资源

D.各国加强合作,履行《南极条约》

【答案】

【1】A

【2】D

【解析】

试题分析:

【1】我国的南极考察站如长城站和中山站,建站都选在2月份的原因是该季节是南极洲的暖季,且又有极昼现象,便于考察。所以本题选择A选项。

【2】各国加强合作,履行《南极条约》,符合保护与和平利用地球上最后一片净土——南极洲。其它选项不符合题意。所以本题选择D选项。

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