4. b. The charity hopes the list will also draw attention to the people working to protect the wildlife. 三、听第三遍音频，将句子补充完整。 （提示：可以反复听，直到听清楚每一个词） 1. Conservationists are working to improve perceptions ...

4. b. The mining firm The Metals Company commissioned the research. A spokesperson said they were encouraged by findings that animals outside of the directly mined areas were not affected.