精选优质文档-倾情为你奉上历年高考语法填空真题2014-20192019高考英语 语法填空（全国1卷）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 evidence61they 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 been62(poor) studied; however, biologists calculate that there are about 20,000-25,000 polar bears
