2019高考英语全国Ⅰ卷语法填空题精细解析
黑龙江绥化一中 高云峰
第二节(共10小题;每小题1.5分,满分15分)
阅读下面短文,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 8
8, there is evidence
61they 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 about 20,000-2 ...