GMAT 考满分题库

- 语法SC -
According to scientists, human expansion and the human appropriation of Earth's finite resources is the cause of what may be the most sweeping wave of species extinctions since the demise of the dinosaurs 65 million years ago.
  • Aexpansion and the human appropriation of Earth's finite resources is 分析该选项
  • Bexpansion and human appropriation of Earth's finite resources are 分析该选项
  • Cexpansion and its appropriation of Earth's finite resources is 分析该选项
  • Dexpansion, along with their appropriation of Earth's finite resources, is 分析该选项
  • Eexpansion, along with its appropriation of Earth's finite resources, are 分析该选项
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正确答案: B

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