题目内容

【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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