题目选项分析

Inhospitable places on our planet, from steaming hot springs to the thick ice of the Polar Regions, tend to be populated by specially adapted microbes seeming to flourish in these extreme conditions and are therefore called “extremophiles.”

Inhospitable places on our planet, from steaming hot springs to the thick ice of the Polar Regions, tend to be populated by specially adapted microbes that seem to flourish in these extreme conditions and that are therefore called “extremophiles.”