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Fossils of the arm of a sloth found in Puerto Rico in 1991, and dated at 34 million years old, made it the earliest known mammal of the Greater Antilles Islands.
  • Asloth found in Puerto Rico in 1991, and dated at 34 million years old, made it the earliest known mammal of 分析该选项
  • Bsloth, that they found in Puerto Rico in 1991, has been dated at 34 million years old, thus making it the earliest mammal known on 分析该选项
  • Csloth that was found in Puerto Rico in 1991, was dated at 34 million years old, making this the earliest known mammal of 分析该选项
  • Dsloth, found in Puerto Rico in 1991, have been dated at 34 million years old, making the sloth the earliest known mammal on 分析该选项
  • Esloth which, found in Puerto Rico in 1991, was dated at 34 million years old, made the sloth the earliest known mammal of 分析该选项
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正确答案: D
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题目基本信息

  • 所属科目:语法SC
  • 题目来源1:OG12-78
  • 题目来源2:OG15-81
  • 题目来源3:OG16-94
  • 题目来源4:OG17-760
  • 题目来源5:GWD-87
  • 题目来源6:PREP08 Test 2-219
  • 题目来源7:OG18-759
  • 题目来源8:OG19-759
  • 正确率:62%
  • 难度:

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