The author’s attitude towards the current situation in the exploitation of natural resources is______ What does the author impl

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问题 The author’s attitude towards the current situation in the exploitation of natural resources is______
What does the author imply by saying "living space.., is figured.., also in cubic volume______above the earth"(in para 3)?

选项 A、Our living space on the earth is getting smaller and smaller
B、Our living space should be measured in cubic volume
C、We need to take some measures to protect space
D、We must create better living conditions for both birds and animals

答案D

解析 第三段倒数第二句指出,我们必须了解大树的重要性,因为地球上大多数生物也是人类的伙伴,它们的生存范围包括地球表面和空间。作者明显指出人类应该为生活在空中的鸟类和生活在地面上的动物提供生存环境。
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