高考英语语法填空真题32（含答案解析）
2019年全国1卷
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 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.
Modern 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 Nunavut ___ 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.
答案解析：
61. that
解析：此处为同位语从句，用来解释说明evidence，从句中不缺少成分，所以用连接词that。更多资料请微信搜索英语巴士小程序。
62. poorly
解析：此处为副词修饰动词studied，表示“研究得不好”。
63. of/for
解析：methods of doing sth.为固定搭配，意为“做某事的方法”。
64. to perform
解析：be expensive to do sth.为固定搭配，意为“做某事很昂贵”。
65. have reported
解析：根据句中的in recent years可知，这里应该用现在完成时态。
66. belief
解析：leading to a belief that...为结果状语，意为“导致产生了一个信念。
67. noting
解析：科学家通过做笔记来回应，这里用现在分词作方式状语。
68. higher
解析：than比较级的使用说明前面应该用形容词的比较级，意为“比实际上要高”。
69. the
解析：of the nineteen recognized polar bear subpopulations中的the表示特指。
70. are
解析：根据句中的three are declining和one is increasing可知，这里应该用are表示六个子群体是稳定的。
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