The Cold Places
The Arctic is a polar region. It surrounds the North Pole.
One thing alone makes it almost impossible for men to live in Antarctica and in parts of the Arctic. This one thing is the low temperature --- the killing chill of far North and the polar South.
Men have a way of providing for themselves. Polar explorers wrap themselves in warm coats and furs. The cold makes life difficult. But the explorers can stay alive.
Antarctica, as we have seen, is a cold place indeed. But this has not always been the case. Expedition scientist
Explorers have discovered coal in Antarctica. This leads them to believe that Antarctica at one time was a land of swamps and forests. Heat and moisture must have kept the trees in the forests alive.
A. Right
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高一英语必修一单词表:unit1
高一下学期词汇解析Unit13 Healthy eating
高一上学期词汇解析Unit11 The sounds of the world
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初三版:Keep 用法解读
高一上学期词汇解析Unit8 Sports
高一上学期词汇解析Unit1 Good friends
高一下学期词汇解析Unit19 Modern agriculture
高一下学期词汇解析Unit21 Body language
高一上学期词汇解析Unit5 The silver screen
高一英语单词:同事用英语怎么说
高一上学期词汇解析Unit6 Good manners
初三英语系列复习资料(1)名词考点集汇,讲解和训练
高中英语词汇高一上词汇单元(03版) Unit10
高中英语词汇高一下词汇单元(03版) unit13-17
初三版:Be 的四功能
高一上学期词汇解析Unit7 Cultural relics
高中英语词汇高一上词汇单元(03版) Unit02
高一下学期词汇解析Unit17 Great women
初三版:Do 的四作用
高一英语:怎样背英语单词过目不忘
高中英语词汇高一上词汇单元(03版) Unit03
高中英语词汇高一上词汇单元(03版) Unit08
高中英语词汇高一上词汇单元(03版) Unit06
高一上学期词汇解析Unit10 The world around us
初三常用短语动词分类归纳
词语填空-初三英语试题
高一上学期词汇解析Unit12 Art and literature
高中英语词汇高一下词汇单元(03版) unit18-22
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