2020年高考英语外刊时事命题七选五：考拉面临“功能性灭绝”，需要人类出手相助。A koala was watered after being rescued from a bushfire. Koalas Need Our Help

A koala was watered after being rescued from a bushfire. Koalas Need Our Help 考拉面临“功能性灭绝”，需要人类出手相助。 The koala is one of the most iconic Australian animals. The grey fuzzballs spend nearly all of their time in the trees, surviving on a diet of gum leaves (桉树叶) and a healthy routine of extended naps. As Australia has been suffering through unprecedented (前所未有的) bushfires, the situation of the koala has been front page news. Images abound of koalas with skin charred (烧焦的) faces, who are severely dehygrated (脱水), crawling to safety as flames burn at the surrounding bushland. The bushfires have caused serious damage across Australia, destroying hundreds of thousands of hectares (公顷) of bushland. It’s estimated that up to 1,000 koalas may have been lost, including half the population living in Port Macquarie. ____1____ A number of recent headlines suggest that the bushfires have destroyed up to 80 percent of the koala’s habitat (栖息地), causing the species to be “functionally extinct.” This ha