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2019全国一卷语法填空The polar bear is found in the Arctic

时间:2019-06-09 11:19  作者:Edmond  来源:www.2abc8.com

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 about 20,000-25,000 polar bears worldwide.
Modem methods   63   tracking polar bear populations have been employed only since the mid-1980s,and are expensive   64   (perform) consistently over a large area. In recent years some Inuit people in Nunayut   65   (report) increases in bear sightings around human settlements, leading to a   66   (believe) that populations are increasing. Scientists have responded by    67   (note) that hungry bears may be congregating(聚集) around human settlements, leading to the illusion(错觉) that populations are   68   (high) than they actually are. Of   69    nineteen recognized polar bear subpopulations, three are declining, six   70   (be) stable, one is increasing, and nine lack enough data.


答案61. that  62. poorly  63. of/for 64. to perform  65. have report  66. belief  67. noting 68. higher 69. the  70. are
2019年高考全国一卷英语试卷及答案
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