learn to on or notA. whether we like it 1B. have to 2 acceptC. that exists 3 planet Earth The film shows how wonderfully gentle and caring elephants are, and just how intelligent and "human" they are as well. People 4 that we humans are, in fact, animals. 5 , we are still part of the whole. Every species 6 has a role to play. The role of humans has, on the whole, been destructive. Humans need to have more respect for nature.
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【正确答案】 1、or not,    2、learn to,    3、on,    4、B,    5、A,    6、C    
【答案解析】解析：空格位于名词之后，that引导的从句充当species的定语，故选C。