题库 > 语法SC > 题目9bf15h
题目内容
To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.
  • Ahave to know a great deal more than now about the social and economic 分析该选项
  • Bhave to know a great deal more than they do now about the social and economical 分析该选项
  • Cwould have to know a great deal more than they do now about the social and economical 分析该选项
  • Dwould have to know a great deal more than they do now about the social and economic 分析该选项
  • Ewould have to know a great deal more than now about the social and economical 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:OG12-41
  • 题目来源2:OG15-42
  • 题目来源3:OG16-61
  • 题目来源4:OG17-731
  • 题目来源5:GWD-13
  • 题目来源6:PREP08 Test 2-187
  • 正确率:66%
  • 难度:中等

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