第二节 语法填空（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。
Animals may also become extinct through direct destruction. This includes the hunting and capturing of animals. Humans have always hunted and killed wildlife 61 early humans lived more in harmony with nature, 62 killed animals for essentials like food and clothing. When guns 63 (invent), mass destruction of species was possible. Animals have been, and still are, killed 64 meat, clothing, medicines, feathers, eggs, trophies (战利品), tourist souvenirs — and sometimes just for amusement. Some species are still captured in the wild for the live pet trade, even though 65 (they) numbers are decreasing.[来源：jzjy365.com]
The 66 (extinct) of at least 500 species of animals has been caused by man, most of them in this century. Today there are about 5,000 endangered animals and at least one species dies out every year. There are probably many more which become extinct 67 anyone knowing.
68 main threats to species then can be cited as illegal hunting, habitat loss and climate change. The International Union for Conservation of Nature has its own “red list” of endangered species 69 (range) from “least concern” through to “critically endangered”. It is their assessment 70 we will refer to here.
参考答案：
61-70 but who were invented for their extinction without The ranging that