精选优质文档-倾情为你奉上全国高考英语真题语法填空汇编（2015-2019）(2019全国卷I)阅读短文，在空白处填入1个适当的单词或括号内单词的正确形式。The polar bear is found in the Arctic Circle and some big land masses as far south as Newfoundland. While they are rare north of 88, there is evidence 61 they range all the way across the Arctic, and as far south as James Bay in Canada. It is difficult to figure out a global population of polar bears as much of the range has been 62 (poor) studied; however, biologists calculate that there are abou
